ADS8401 datasheet(4/29 Pages) TI

4 / 29 page

www.ti.com

ADS8406

SLAS426A – AUGUST 2004 – REVISED DECEMBER 2004

SPECIFICATIONS (continued)

A = –40°C to 85°C, +VA = 5 V, +VBD = 3 V or 5 V, Vref = 4.096 V, fSAMPLE = 1.25 MHz (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

INTERNAL REFERENCE OUTPUT

From 95% (+VA) with 1-µF

Internal reference start-up time

120

storage capacitor

Vref

Reference voltage

IOUT = 0

4.065

4.096

4.13

Source current

Static load

µA

Line regulation

+VA = 4.75 to 5.25 V

0.6

Drift

IOUT = 0

PPM/

°C

DIGITAL INPUT/OUTPUT

Logic family — CMOS

VIH

High level input voltage

IIH = 5 µA

+VBD – 1

+VBD + 0.3

VIL

Low level input voltage

IIL = 5 µA

–0.3

0.8

VOH

High level output voltage

IOH = 2 TTL loads

+VBD – 0.6

+VBD

VOL

Low level output voltage

IOL = 2 TTL loads

0.4

Data format — 2's complement

POWER SUPPLY REQUIREMENTS

+VBD

2.7

5.25

Power supply voltage

+VA

4.75

5.25

Supply current, +VA(8)

fs = 1.25 MHz

Power dissipation(8)

fs = 1.25 MHz

155

170

TEMPERATURE RANGE

Operating free-air temperature

–40

°C

(8)

This includes only +VA current. +VBD current is typically 1 mA with 5-pF load capacitance on output pins.

ADS8401 数据表(PDF) 4 Page - Texas Instruments

ADS8401 数据表(HTML) 4 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29

数据表下载