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LTC2411I

24-Bit No Latency ∆Σ™ ADC with Differential Input and Reference in MSOP

Linear Technology 

LTC2411/LTC2411-1

TYPICAL APPLICATIO

15V

Q1

20Ω

2N3904

22Ω

10V

350Ω BRIDGE

TWO ELEMENTS

VARYING

RN1

10k

12

–5V

RN1

10k

56

+3

1

1/2

LT1112

C1

–2

0.1µF

5V

LT1236-5

+ C3

47µF

C1

0.1µF

3

RN1

10k 4

5V

1

VCC

LTC2411/

2

LTC2411-1

REF+

3 REF–

4 IN+

5 IN–

8

RN1

GND

7 10k

6

33Ω

×2

Q2, Q3

2N3906

×2

–15V

C2 15V

0.1µF

8 –6

20Ω 7

1/2

LT1112

+5

4

RN1 IS CADDOCK T914 10K-010-02

–15V

2411 F47

Figure 47. Use Resistor Arrays to Provide Precise Matching in Excitation Amplifier

RELATED PARTS

PART NUMBER

LT1019

LT1025

LTC1050

LT1236A-5

LT1460

LTC2400

LTC2401/LTC2402

LTC2404/LTC2408

LTC2410

LTC2413

LTC2415

LTC2420

LTC2424/LTC2428

DESCRIPTION

Precision Bandgap Reference, 2.5V, 5V

Micropower Thermocouple Cold Junction Compensator

Precision Chopper Stabilized Op Amp

Precision Bandgap Reference, 5V

Micropower Series Reference

24-Bit, No Latency ∆Σ ADC in SO-8

1-/2-Channel, 24-Bit, No Latency ∆Σ ADC in MSOP

4-/8-Channel, 24-Bit, No Latency ∆Σ ADC

24-Bit, Fully Differential, No Latency ∆Σ ADC

24-Bit, Fully Differential, No Latency ∆Σ ADC

24-Bit, No Latency ∆Σ ADC with 15Hz Output Rate

20-Bit, No Latency ∆Σ ADC in SO-8

4-/8-Channel, 20-Bit, No Latency ∆Σ ADC

COMMENTS

3ppm/°C Drift, 0.05% Max Initial Accuracy

80µA Supply Current, 0.5°C Initial Accuracy

No External Components 5µV Offset, 1.6µVP-P Noise

0.05% Max Initial Accuracy, 5ppm/°C Drift

0.075% Max Initial Accuracy, 10ppm/°C Max Drift

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

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

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

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

Simultaneous 50Hz and 60Hz Rejection, 800nVRMS Noise

Pin Compatible with the LTC2410

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

1.2ppm Noise, Pin Compatible with LTC2404/LTC2408

40 Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

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

24111f LT/TP 0601 2K • PRINTED IN USA

© LINEAR TECHNOLOGY CORPORATION 2000

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