ADS8380 datasheet(5/30 Pages) BURR-BROWN

Part #	ADS8380

Description	16-BIT, 1-MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE, REFERENCE

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Manufacturer	BURR-BROWN [Burr-Brown (TI)]

Direct Link	http://www.burr-brown.com

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SPECIFICATIONS (Continued)

ADS8472

SLAS514 – DECEMBER 2006

T

A = –40°C to 85°C, +VA = 5 V, +VBD = 3 V or 5 V, Vref = 4.096 V, fSAMPLE = 1 MSPS (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOLTAGE REFERENCE INPUT

Reference voltage at REFIN, Vref

3.0

4.096

+VA – 0.8

V

Reference resistance(1)

500

k

Ω

Reference current drain

fs = 1 MHz

1

mA

INTERNAL REFERENCE OUTPUT

Internal reference start-up time

From 95% (+VA), with 1-

µF storage capacitor

120

ms

Reference voltage range, Vref

IO = 0

4.081

4.096

4.111

V

Source current

Static load

10

µA

Line regulation

+VA = 4.75 V ~ 5.25 V

60

µV

Drift

IO = 0

±6

PPM/

°C

DIGITAL INPUT/OUTPUT

Logic family –CMOS

VIH

IIH = 5 µA

+VBD – 1

+VBD + 0.3

VIL

IIL = 5 µA

–0.3

0.8

Logic level

V

VOH

IOH = 2 TTL loads

+VBD – 0.6

VOL

IOL = 2 TTL loads

Data format – Straight Binary

POWER SUPPLY REQUIREMENTS

+VBD

2.7

3.3

5.25

V

Power supply

voltage

+VA

4.75

5

5.25

V

Supply current(2)

fs = 1 MHz

45

50

mA

Power dissipation(2)

fs = 1 MHz

225

250

mW

TEMPERATURE RANGE

Operating free-air

–40

85

°C

(1)

Can vary

±20%

(2)

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

5

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