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ISL22102

Renesas
Part Number ISL22102
Manufacturer Renesas
Description Dual Audio Logarithmic Potentiometer
Published Jun 15, 2019
Detailed Description DATASHEET ISL22102 32 Tap, Push-Button, Dual Audio Logarithmic Potentiometer with Buffer Amplifiers and Audio Detection...
Datasheet PDF File ISL22102 PDF File

ISL22102
ISL22102

Overview
DATASHEET ISL22102 32 Tap, Push-Button, Dual Audio Logarithmic Potentiometer with Buffer Amplifiers and Audio Detection FN6788 Rev 2.
00 September 21, 2015 The ISL22102 integrates two digitally controlled potentiometers (DCP) with buffered wiper outputs and an internal bias voltage generator (VB) on a monolithic CMOS integrated circuit.
The wiper position is adjusted by the user through simple Up and Down push buttons, ideal for stereo volume control in audio applications.
Each potentiometer is implemented using 31 polysilicon resistors in a logarithmic array.
Between each of the resistors are tap points connected to the wiper terminal through switches.
When powered up, the wipers are reset to the -20dB position.
In addition to the ISL22102’s low noise design, the ISL22102 also contains a zero-crossing detection circuitry to further minimize click and pop noise during volume transition.
The internal VB generator of the ISL22102 provides a precision middle scale voltage reference...


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