SSM2164 VCA: Alternatives, Schematic, Datasheet
4 Channels 10nA Instrumentational OP Amps 16 Pins SOIC N
The SSM2164 contains four independent voltage-controlled amplifiers (VCAs) in a single package. This article will unlock more details about SSM2164, a low-cost quad voltage-controlled amplifier. Furthermore, huge range of Semiconductors, Capacitors, Resistors and ICs in stock. Welcome RFQ.
SSM2164 Pinout

SSM2164 Pinout
SSM2164 Description
The SSM2164 contains four independent voltage-controlled amplifiers (VCAs) in a single package. High performance (100 dB dynamic range, 0.02% THD) is provided at a very low cost-per-VCA, resulting in excellent value for cost-sensitive gain control applications. Each VCA offers current input and output for maximum design flexibility and a ground-referenced –33 mV/dB control port.
The SSM2164 will operate over a wide supply voltage range of ±4 V to ±18 V. Available in 16-pin P-DIP and SOIC packages, the device is guaranteed for operation over the extended industrial temperature range of –40°C to +85°C.
SSM2164 CAD Model
Symbol

SSM2164 Symbol
Footprint

SSM2164 Footprint
3D Model

SSM2164 3D Model
Specifications
- TypeParameter
- Mount
In electronic components, the term "Mount" typically refers to the method or process of physically attaching or fixing a component onto a circuit board or other electronic device. This can involve soldering, adhesive bonding, or other techniques to secure the component in place. The mounting process is crucial for ensuring proper electrical connections and mechanical stability within the electronic system. Different components may have specific mounting requirements based on their size, shape, and function, and manufacturers provide guidelines for proper mounting procedures to ensure optimal performance and reliability of the electronic device.
Surface Mount - Package / Case
refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.
SOIC N - Number of Pins16
- Packaging
Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.
Rail/Tube - JESD-609 Code
The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.
e0 - Moisture Sensitivity Level (MSL)
Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures
1 (Unlimited) - Number of Terminations16
- ECCN Code
An ECCN (Export Control Classification Number) is an alphanumeric code used by the U.S. Bureau of Industry and Security to identify and categorize electronic components and other dual-use items that may require an export license based on their technical characteristics and potential for military use.
EAR99 - Resistance
Resistance is a fundamental property of electronic components that measures their opposition to the flow of electric current. It is denoted by the symbol "R" and is measured in ohms (Ω). Resistance is caused by the collisions of electrons with atoms in a material, which generates heat and reduces the flow of current. Components with higher resistance will impede the flow of current more than those with lower resistance. Resistance plays a crucial role in determining the behavior and functionality of electronic circuits, such as limiting current flow, voltage division, and controlling power dissipation.
5kOhm - Terminal Finish
Terminal Finish refers to the surface treatment applied to the terminals or leads of electronic components to enhance their performance and longevity. It can improve solderability, corrosion resistance, and overall reliability of the connection in electronic assemblies. Common finishes include nickel, gold, and tin, each possessing distinct properties suitable for various applications. The choice of terminal finish can significantly impact the durability and effectiveness of electronic devices.
Tin/Lead (Sn85Pb15) - Max Operating Temperature
The Maximum Operating Temperature is the maximum body temperature at which the thermistor is designed to operate for extended periods of time with acceptable stability of its electrical characteristics.
85°C - Min Operating Temperature
The "Min Operating Temperature" parameter in electronic components refers to the lowest temperature at which the component is designed to operate effectively and reliably. This parameter is crucial for ensuring the proper functioning and longevity of the component, as operating below this temperature may lead to performance issues or even damage. Manufacturers specify the minimum operating temperature to provide guidance to users on the environmental conditions in which the component can safely operate. It is important to adhere to this parameter to prevent malfunctions and ensure the overall reliability of the electronic system.
-40°C - Terminal Position
In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.
DUAL - Terminal Form
Occurring at or forming the end of a series, succession, or the like; closing; concluding.
GULL WING - Peak Reflow Temperature (Cel)
Peak Reflow Temperature (Cel) is a parameter that specifies the maximum temperature at which an electronic component can be exposed during the reflow soldering process. Reflow soldering is a common method used to attach electronic components to a circuit board. The Peak Reflow Temperature is crucial because it ensures that the component is not damaged or degraded during the soldering process. Exceeding the specified Peak Reflow Temperature can lead to issues such as component failure, reduced performance, or even permanent damage to the component. It is important for manufacturers and assemblers to adhere to the recommended Peak Reflow Temperature to ensure the reliability and functionality of the electronic components.
240 - Number of Functions1
- Terminal Pitch
The center distance from one pole to the next.
1.27mm - Reach Compliance Code
Reach Compliance Code refers to a designation indicating that electronic components meet the requirements set by the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation in the European Union. It signifies that the manufacturer has assessed and managed the chemical substances within the components to ensure safety and environmental protection. This code is vital for compliance with regulations aimed at minimizing risks associated with hazardous substances in electronic products.
not_compliant - Time@Peak Reflow Temperature-Max (s)
Time@Peak Reflow Temperature-Max (s) refers to the maximum duration that an electronic component can be exposed to the peak reflow temperature during the soldering process, which is crucial for ensuring reliable solder joint formation without damaging the component.
30 - Pin Count
a count of all of the component leads (or pins)
16 - Qualification Status
An indicator of formal certification of qualifications.
Not Qualified - Temperature Grade
Temperature grades represent a tire's resistance to heat and its ability to dissipate heat when tested under controlled laboratory test conditions.
INDUSTRIAL - Number of Channels4
- Supply Current-Max
Supply Current-Max refers to the maximum amount of current that an electronic component or circuit can draw from its power supply under specified operating conditions. It is a critical parameter that determines the power consumption and thermal performance of the device. Exceeding this limit can lead to overheating, potential damage, or failure of the component. Knowing the Supply Current-Max helps in designing circuits that ensure proper operation and reliability.
8mA - Current - Input Bias
The parameter "Current - Input Bias" in electronic components refers to the amount of current required at the input terminal of a device to maintain proper operation. It is a crucial specification as it determines the minimum input current needed for the component to function correctly. Input bias current can affect the performance and accuracy of the device, especially in precision applications where small signal levels are involved. It is typically specified in datasheets for operational amplifiers, transistors, and other semiconductor devices to provide users with important information for circuit design and analysis.
10nA - Gain Bandwidth Product
The gain–bandwidth product (designated as GBWP, GBW, GBP, or GB) for an amplifier is the product of the amplifier's bandwidth and the gain at which the bandwidth is measured.
500 kHz - Voltage Gain
Voltage gain is a measure of how much an electronic component or circuit amplifies an input voltage signal to produce an output voltage signal. It is typically expressed as a ratio or in decibels (dB). A higher voltage gain indicates a greater amplification of the input signal. Voltage gain is an important parameter in amplifiers, where it determines the level of amplification provided by the circuit. It is calculated by dividing the output voltage by the input voltage and is a key factor in determining the overall performance and functionality of electronic devices.
20dB - Power Supply Rejection Ratio (PSRR)
Power Supply Rejection Ratio (PSRR) is a measure of how well an electronic component, such as an operational amplifier or voltage regulator, can reject changes in its supply voltage. It indicates the ability of the component to maintain a stable output voltage despite fluctuations in the input supply voltage. A higher PSRR value signifies better performance in rejecting noise and variations from the power supply, leading to improved signal integrity and more reliable operation in electronic circuits. PSRR is typically expressed in decibels (dB).
90dB - Gain
In electronic components, "Gain" refers to the ratio of the output signal amplitude to the input signal amplitude. It is a measure of the amplification provided by the component, such as a transistor or operational amplifier. Gain is typically expressed in decibels (dB) or as a numerical value, indicating how much the signal is amplified by the component.A higher gain value indicates a greater amplification of the input signal, while a lower gain value indicates less amplification. Gain is an important parameter in designing and analyzing electronic circuits, as it determines the overall performance and functionality of the system. Different components have different gain characteristics, and understanding the gain of a component is crucial for achieving the desired signal processing or amplification in electronic systems.
20 dB - Max Dual Supply Voltage
A Dual power supply is a regular direct current power supply. It can provide a positive as well as negative voltage. It ensures stable power supply to the device as well as it helps to prevent system damage.
18V - Min Dual Supply Voltage
The parameter "Min Dual Supply Voltage" in electronic components refers to the minimum voltage required for the proper operation of a device that uses dual power supplies. Dual power supplies typically consist of a positive and a negative voltage source. The "Min Dual Supply Voltage" specification ensures that both the positive and negative supply voltages are within a certain range to guarantee the device functions correctly. It is important to adhere to this parameter to prevent damage to the component and ensure reliable performance.
4V - Consumer IC Type
Consumer IC Type refers to the specific type of integrated circuit (IC) that is designed for use in consumer electronic devices. These ICs are typically optimized for applications in products such as smartphones, tablets, televisions, and other consumer electronics. They are often characterized by features such as low power consumption, small form factor, and high performance to meet the demands of modern consumer devices. Consumer IC types may include microcontrollers, audio amplifiers, display drivers, and other specialized chips tailored for consumer electronics applications. Manufacturers develop and market these ICs to meet the unique requirements of the consumer electronics industry, providing solutions for a wide range of functions and applications in modern devices.
VOLUME CONTROL CIRCUIT - Harmonic Distortion
Harmonic distortion is a common parameter used to describe the quality of audio or electronic signals. It refers to the presence of unwanted harmonics or additional frequencies in the output signal that were not present in the input signal. These harmonics are typically multiples of the original signal frequency and can distort the waveform, affecting the overall sound quality or performance of the electronic component. Lower harmonic distortion values indicate a cleaner and more accurate output signal, while higher distortion levels can result in a more distorted or altered sound. Manufacturers often specify harmonic distortion levels in percentage or decibels to help users understand the quality of the component's output.
0.3% - Channel Separation
Channel separation is a measure of how well a stereo audio system can reproduce sound from one channel without any interference from the other channel. It indicates the degree to which the left and right channels remain distinct and isolated from each other during playback. Higher channel separation values indicate better performance, as it means that the audio signals in each channel are less likely to bleed into or affect the other channel. This parameter is important for achieving accurate stereo imaging and a more immersive listening experience.
110 dB - Length9.9mm
- Height Seated (Max)
Height Seated (Max) is a parameter in electronic components that refers to the maximum allowable height of the component when it is properly seated or installed on a circuit board or within an enclosure. This specification is crucial for ensuring proper fit and alignment within the overall system design. Exceeding the maximum seated height can lead to mechanical interference, electrical shorts, or other issues that may impact the performance and reliability of the electronic device. Manufacturers provide this information to help designers and engineers select components that will fit within the designated space and function correctly in the intended application.
1.75mm - RoHS Status
RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.
Non-RoHS Compliant
SSM2164 Features
Four High-Performance VCAs in a Single Package
0.02% THD
No External Trimming
120 dB Gain Range
0.07 dB Gain Matching (Unity Gain)
Class A or AB Operation
SSM2164 Applications
Remote, Automatic, or Computer Volume Controls
Automotive Volume/Balance/Faders
Audio Mixers
Compressor/Limiters/Compandors
Noise Reduction Systems
Automatic Gain Controls
Voltage Controlled Filters
Spatial Sound Processors
Effects Processors
SSM2164 Functional Block Diagram

SSM2164 Functional Block Diagram
SSM2164 Alternatives
| Parts | Description | Manufacturer |
| SSM2164S CONSUMER CIRCUITS | IC 4 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO16, SOIC-16, Audio Control IC | Analog Devices Inc |
| SSM2164SZ CONSUMER CIRCUITS | Low-Cost Quad Voltage Controlled Amplifier | Analog Devices Inc |
| SSM2164SZ-REEL CONSUMER CIRCUITS | Low-Cost Quad Voltage Controlled Amplifier | Analog Devices Inc |
| SSM2164S-REEL CONSUMER CIRCUITS | IC 4 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO16, SOIC-16, Audio Control IC | Analog Devices Inc |
SSM2164 Alternatives
SSM2164 Application Circuit

SSM2164 Typical Application Circuit
The SSM2164 is a quad Voltage Controlled Amplifier (VCA) with 120 dB of gain control range. Each VCA is a current-in, current-out device with a separate –33 mV/dB voltage input control port. The class of operation (either Class A or Class AB) is set by a single external resistor allowing optimization of the distortion versus noise tradeoff for a particular application. The four independent VCAs in a single 16-pin package make the SSM2164 ideal for applications where multiple volume control elements are needed. The typical application circuit for SSM2164 is given above.
SSM2164 Simplified Schematic
The simplified schematic given below shows the basic structure of one of the four VCAs in the device. The gain core is comprised of the matched differential pairs Q1-Q4 and the current mirrors of Q5, Q6 and Q7, Q8. The current input pin, IIN, is connected to the collectors of Q1 and Q7, and the difference in current between these two transistors is equivalent to IIN. For example, if 100 µA is flowing into the input, Q1’s collector current will be 100 µA higher than Q7’s collector current.

SMM2164 Simplified Schematic
SSM2164 Package

SSM2164 Package
SSM2164 Manufacturer
Analog Devices is an international market leader in the design, production, and commercialization of a large range of high-performance integrated circuits (ICs) for analogue, mixed-signal, and digital signals (DSP) processing of almost all electronic systems.
Datasheet PDF
- Datasheets :
- ConflictMineralStatement :
What is SSM2164 VCA?
The SSM2164 contains four independent voltage-controlled amplifiers (VCAs) in a single package. High performance (100 dB dynamic range, 0.02% THD) is provided at a very low cost-per-VCA, resulting in excellent value for cost-sensitive gain control applications. Each VCA offers current input and output for maximum design flexibility and a ground-referenced –33 mV/dB control port. The SSM2164 will operate over a wide supply voltage range of ±4 V to ±18 V. Available in 16-pin P-DIP and SOIC packages, the device is guaranteed for operation over the extended industrial temperature range of –40°C to +85°C.
What is a VCA used for in modular?
A VCA, Voltage Controlled Amplifier, sometimes referred to as an audio gate, is an essential module to any Eurorack and no system is complete without one. The concept is an input, output and control that sets how much of the input signal passes through to the output.
What does a Voltage Controlled Amplifier do?
A VCA is a processor that can alter the amplitude of a signal proportional to the control voltage applied to its amplitude modulation control input. In simple words, it is just an amplifier whose output you can control with a control signal.
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