Sound Semiconductor SSI2164 Quad Voltage Controlled Amp (VCA) SSM2164,V2164 eqv

Description

The Sound Semiconductor SSI2164 (a replacement for the SSM2164 or V2164) contains four independent high performance voltage controlled amplifiers(VCAs) in a single package. These VCAs are essential building blocks for high performance audio circuits. Each channel provides gain ranging from +20dB to -100dB with gain control provided by a ground referenced -33 mV/dB control pin.
The SSI2164 will directly replace existing SSM2164 and Coolaudio V2164 installations while offering improvements that include significantly lower overall distortion, on-chip protection against asymmetrical power failure, and a substantial increase of input current handling.
The SSI2164 will operate on supplies as low as +8V for battery-powered devices such as guitar pedals, or up to ±18V in systems where maximum headroom and S/N ratio is desired.
This device offers considerable flexibility for a wide range of design goals and applications. A unique mode control allows selection of Class A, Class AB, or in-between using a single resistor. In addition, improved current handling allows use of considerably lower value input resistors for reduced output noise without loss of headroom. Two or more channels can be parallel-connected for further noise improvement. Finally, SSI2164 VCA channels can be used as high-quality OTA building blocks for a variety of applications such as voltage controlled filters, exponential generators, and antilog converters. See the
datasheet
for a number of reference designs and application notes.
Features
Improved direct replacement for SSM2164/V2164
Input current handling increased 2X to 1mA
Pin-selectable class A or AB operation
118dB dynamic range (class AB)
Low distortion - typical 0.025% (classA)
Large gain range of -100dB to +20dB
±4V to ±18V operation
No external trimming
Low control feedthrough, typical -60dB
Package:
SOP-16
References
Sound Semiconductor SSI2164 Data Sheet
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