WM2637CD datasheet(5/11 Pages) WOLFSON

部件名	WM2637CD

功能描述	Dual 10-Bit Serial Input Voltage Output DAC with Internal Reference

PDF	11 Pages

Scroll/Zoom	100%

制造商	WOLFSON [Wolfson Microelectronics plc]

网页	http://www.wolfsonmicro.com

标志

5 / 11 page

WM2637

Production Data

WOLFSON MICROELECTRONICS LTD

PD Rev 1.0 July 99

SERIAL INTERFACE

NCS

SCLK

DIN

D15

D14

D13

D12

D11

SUCSS

WCL

WCH

SUCS1

SUCS2

DCS1

HDCLK

SUDCLK

Figure 1 Timing Diagram

Test Conditions:

RL = 10k

Ω, C

L = 100pF. VDD = 5V

±± 10%, V

REF = 2.048V and VDD = 3V

±± 10%, V

REF = 1.024V over recommended operating free-

air temperature range (unless noted otherwise)

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

tSUCSS

Setup time NCS low before SCLK low

tSUCS1

Setup time, rising edge of SCLK to rising edge of NCS,

external end of write

tSUCS2

Setup time, rising edge of SCLK to falling edge of NCS,

start of next write cycle

tWCL

Pulse duration, SCLK high

tWCH

Pulse duration, SCLK low

tSUDCLK

Setup time, data ready before SCLK falling edge

tHDCLK

Hold time, data held valid after SCLK falling edge

WM2637CD 数据表(PDF) 5 Page - Wolfson Microelectronics plc

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