LTC2431 Linear Technology, LTC2431 Datasheet - Page 40

• Manufacturer Part Number: LTC2431
• Description: (LTC2430 / LTC2431) 20-Bit No Latency Delta-Sigma ADCs
• Manufacturer: Linear Technology

TYPICAL APPLICATIO
RELATED PARTS
LTC2430/LTC2431
PART NUMBER
LT
LT1025
LTC1050
LT1236A-5
LT1460
LT1790
LTC2400
LTC2401/LTC2402
LTC2404/LTC2408
LTC2410
LTC2411
LTC2413
LTC2414/LTC2418
LTC2415
LTC2420
LTC2421/LTC2422
LTC2424/LTC2428
LTC2440
40
®
1019
Relative Size of Components
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
DESCRIPTION
Precision Bandgap Reference, 2.5V, 5V
Micropower Thermocouple Cold Junction Compensator
Precision Chopper Stabilized Op Amp
Precision Bandgap Reference, 5V
Micropower Series Reference
Micropower SOT23 Low Dropout Reference Family
24-Bit, No Latency
1-/2-Channel, 24-Bit, No Latency
4-/8-Channel, 24-Bit, No Latency
24-Bit, Fully Differential, No Latency
24-Bit, Fully Differential, No Latency
24-Bit, Fully Differential, No Latency
8-/16-Channel 24-Bit Differential, No Latency
24-Bit, No Latency
20-Bit, No Latency
1-/2-Channel, 20-Bit, No Latency
4-/8-Channel, 20-Bit, No Latency
24-Bit, High Speed, Low Noise
Figure 46. Complete 20-Bit Data Acquisition System in 0.1 inch
U
ADC in SO-8
ADC with 15Hz Output Rate
ADC in SO-8
www.linear.com
ANALOG INPUT RANGE
ADC
–0.5V
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
ADC in MSOP
ADC
ADC in MSOP-10
ADC
REF
ADC
ADC in MS10
ADC
TO 0.5V
LT1790
4.7 F
0.1 F
V
ADC
OUT
REF
6
V
REF
REF
IN
IN
GND
CC
+
–
1
LTC2431
COMMENTS
3ppm/ C Drift, 0.05% Max Initial Accuracy
80 A Supply Current, 0.5 C Initial Accuracy
No External Components 5 V Offset, 1.6 V
0.05% Max Initial Accuracy, 5ppm/ C Drift
0.075% Max Initial Accuracy, 10ppm/ C Max Drift
0.05% Max Initial Accuracy, 10ppm/ C Max Drift
0.3ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200 A
0.6ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200 A
0.3ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200 A
0.16ppm Noise, 2ppm INL, 10ppm Total Unadjusted Error, 200 A
0.29ppm Noise, 2ppm INL, 10ppm Total Unadjusted Error, 200 A
Simultaneous 50Hz and 60Hz Rejection, 800nV
0.2ppm Noise, 2ppm INL, 10ppm Total Unadjusted Error
Pin Compatible with the LTC2410
1.2ppm Noise, 8ppm INL, Pin Compatible with LTC2400
1.2ppm Noise, Low Power 2.7V to 5.5V Supply, 200 A
1.2ppm Noise, Pin Compatible with LTC2404/LTC2408
200nV
LT1790
+
–
SDO
SUPPLY VOLTAGE RANGE:
SCK
RMS
CS
F
(V
O
2
OUT
Noise, 4000Hz Output Rate
4
24301 TA05
+ 0.25V) TO 20V
0.1 F
3-WIRE
SPI INTERFACE
V
2
CC
= INTERNAL OSC/50Hz REJECTION
= EXTERNAL CLOCK SOURCE
= INTERNAL OSC/60Hz REJECTION
LINEAR TECHNOLOGY CORPORATION 2002
LT/TP 0303 2K • PRINTED IN USA
P-P
Noise
RMS
Noise
24301f