CS3301-IS(2005) 데이터 시트보기 (PDF) - Cirrus Logic

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CS3301-IS
(Rev.:2005)

Low-noise, Programmable Gain, Differential Amplifier

Cirrus Logic 

CS3301

ommended to be bypassed to system ground using

0.1 µF X7R type capacitors.

The VA- supply is connected to the CMOS sub-

strate and as such must remain the most negative

applied voltage to prevent potential latch-up condi-

tions. Care should be taken to ensure analog input

voltages do not drop more than -0.3 V below the

VA- supply. Care should also be taken to establish

the VA- supply before analog signals are applied to

the device. It is recommended to clamp the VA-

supply to system ground using a reversed biased

Schottky diode to prevent possible latch-up condi-

tions related to mismatched supply rail initializa-

tion.

2.3.2 Digital Power Supplies

The digital power supply across the VD and DGND

pins is flexible and can be set to interface with 3.3V

or 5V logic. The digital power supply should be by-

passed to system ground using a 0.01 µF X7R type

capacitor.

12

DS595F2

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