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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.
All channels are closely matched to within 0.07 dB at unity gain, and 0.24 dB at 40 dB of attenuation. A 120 dB gain range is possible.
A single resistor tailors operation between full Class A and AB modes. The pinout allows upgrading of SSM2024 designs with minimal additional circuitry.
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 Maximum Ratings
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±18 V Input, Output, Control Voltages . . . . . . . . . . . . . . . . V to V+ Output Short Circuit Duration to GND . . . . . . . . . Indefinite Storage Temperature Range . . . . . . . . . . . . 65°C to +150°C Operating Temperature Range . . . . . . . . . . . . . 40°C to +85°C Junction Temperature Range . . . . . . . . . . . . 65°C to +150°C Lead Temperature Range (Soldering 60 sec) . . . . . . . . +300°C
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 Typical Application
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