LTC2430IGN datasheet(40/40 Pages) LINER

40 / 40 page

LTC2430/LTC2431

24301f

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900 q FAX: (408) 434-0507 q www.linear.com

©LINEAR TECHNOLOGY CORPORATION 2002

LT/TP 0303 2K • PRINTED IN USA

RELATED PARTS

PART NUMBER

DESCRIPTION

COMMENTS

®1019

Precision Bandgap Reference, 2.5V, 5V

3ppm/

°C Drift, 0.05% Max Initial Accuracy

LT1025

Micropower Thermocouple Cold Junction Compensator

µA Supply Current, 0.5°C Initial Accuracy

LTC1050

Precision Chopper Stabilized Op Amp

No External Components 5

µV Offset, 1.6µVP-P Noise

LT1236A-5

Precision Bandgap Reference, 5V

0.05% Max Initial Accuracy, 5ppm/

°C Drift

LT1460

Micropower Series Reference

0.075% Max Initial Accuracy, 10ppm/

°C Max Drift

LT1790

Micropower SOT23 Low Dropout Reference Family

0.05% Max Initial Accuracy, 10ppm/

°C Max Drift

LTC2400

24-Bit, No Latency

∆Σ ADC in SO-8

0.3ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200

µA

LTC2401/LTC2402

1-/2-Channel, 24-Bit, No Latency

∆Σ ADC in MSOP

0.6ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200

µA

LTC2404/LTC2408

4-/8-Channel, 24-Bit, No Latency

∆Σ ADC

0.3ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200

µA

LTC2410

24-Bit, Fully Differential, No Latency

∆Σ ADC

0.16ppm Noise, 2ppm INL, 10ppm Total Unadjusted Error, 200

µA

LTC2411

24-Bit, Fully Differential, No Latency

∆Σ ADC in MS10

0.29ppm Noise, 2ppm INL, 10ppm Total Unadjusted Error, 200

µA

LTC2413

24-Bit, Fully Differential, No Latency

∆Σ ADC

Simultaneous 50Hz and 60Hz Rejection, 800nVRMS Noise

LTC2414/LTC2418

8-/16-Channel 24-Bit Differential, No Latency

∆Σ ADC

0.2ppm Noise, 2ppm INL, 10ppm Total Unadjusted Error

LTC2415

24-Bit, No Latency

∆Σ ADC with 15Hz Output Rate

Pin Compatible with the LTC2410

LTC2420

20-Bit, No Latency

∆Σ ADC in SO-8

1.2ppm Noise, 8ppm INL, Pin Compatible with LTC2400

LTC2421/LTC2422

1-/2-Channel, 20-Bit, No Latency

∆Σ ADC in MSOP-10

1.2ppm Noise, Low Power 2.7V to 5.5V Supply, 200

µA

LTC2424/LTC2428

4-/8-Channel, 20-Bit, No Latency

∆Σ ADC

1.2ppm Noise, Pin Compatible with LTC2404/LTC2408

LTC2440

24-Bit, High Speed, Low Noise

∆Σ ADC

200nVRMS Noise, 4000Hz Output Rate

TYPICAL APPLICATIO

Figure 46. Complete 20-Bit Data Acquisition System in 0.1 inch2

VCC

REF+

REF–

SCK

IN+

IN–

SDO

GND

ANALOG INPUT RANGE

–0.5VREF TO 0.5VREF

THE LT1790 IS AVAILABLE WITH 1.25V, 2.048V, 2.5V, 3V, 3.3V, 4.096V AND 5V OUTPUTS

THE LTC2431 MAY BE POWERED BY THE LT1790 3V, 3.3V, 4.096V AND 5V VERSIONS

3-WIRE

SPI INTERFACE

0.1

µF

0.1

µF

LTC2431

24301 TA05

4.7

µF

= INTERNAL OSC/50Hz REJECTION

= EXTERNAL CLOCK SOURCE

= INTERNAL OSC/60Hz REJECTION

VCC

LT1790

VOUT

SUPPLY VOLTAGE RANGE:

(VOUT + 0.25V) TO 20V

Relative Size of Components

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