www.ti.com

RECOMMENDED POWER-UP SEQUENCING

t

1

t

3

t

5

t

6

t

4

t

7

t

8

t

2

AVDD(3Vto3.6V)

VDRV(3Vto3.6V)

DeviceReady

ForADCOperation

DeviceReady

ForADCOperation

DeviceReady

ForSerialRegisterWrite

StartofClock

AVDD

VDRV

SEL

SEN

CLK

STPD

DeviceFully

PowersDown

DeviceFully

PowersUp

500 s

m

1 s

m

ADS5237

SBAS420A – AUGUST 2007 – REVISED OCTOBER 2007

Shown for the case where the serial interface is used.

NOTE: 10

POWER-DOWN TIMING

NOTE: The shown power-up time is based on 1

μF bypass capacitors on the reference pins. See the Theory of Operation section for details.

Copyright © 2007, Texas Instruments Incorporated

Submit Documentation Feedback

11

Product Folder Link(s): ADS5237