X9317TM8 데이터 시트보기 (PDF) - Intersil

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X9317TM8

Digitally Controlled Potentiometer (XDCP™)

Intersil 

X9317

Power-up and Down Requirements

The recommended power-up sequence is to apply VCC/VSS

first, then the potentiometer voltages. During power-up, the

data sheet parameters for the DCP do not fully apply until

AC Timing

1ms after VCC reaches its final value. The VCC ramp spec is

always in effect. In order to prevent unwanted tap position

changes, or an inadvertent store, bring the CS and INC high

before or concurrently with the VCC pin on power-up.

CS

tCI

INC

tCYC

tIL

tIH

tIC

tID

tDI

tCPHS

90% 90%

10%

tCPHNS

tF

tR

U/D

tIW

RW

(3)

MI

Typical Performance Characteristic

0

-50

-100

-150

-200

-250

-300

-350

-55 -45 -35 -25 -15 -5 5 15 25 35 45 55 65 75 85 95 105115 125

TEMPERATURE (°C)

FIGURE 1. TYPICAL TOTAL RESISTANCE TEMPERATURE COEFFICIENT

8

FN8183.6

December 16, 2009

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