Datasheet

LTC2440
28
2440fd
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
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www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2002
LT 1008 REV D • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER DESCRIPTION COMMENTS
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P-P
Noise 0.01Hz to 10Hz
LTC2400 24-Bit, No Latency Δ∑ ADC in SO-8 0.3ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200μA
LTC2401/LTC2402 1-/2-Channel, 24-Bit, No Latency Δ∑ ADC in MSOP 0.6ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200μA
LTC2404/LTC2408 4-/8-Channel, 24-Bit, No Latency Δ∑ ADC 0.3ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200μA
LTC2410/LTC2413 24-Bit, No Latency Δ∑ ADC 800nV
RMS
Noise, 5ppm INL/Simultaneous 50Hz/60Hz Rejection
LTC2411 24-Bit, No Latency Δ∑ ADC in MSOP 1.45μV
RMS
Noise, 6ppm INL
LTC2420LTC2424/
LTC2428
1-/4-/8-Channel, 20-Bit, No Latency Δ∑ ADCs 1.2ppm Noise, 8ppm INL, Pin Compatible with LTC2400/
LTC2404/LTC2408
SoftSpan is a trademark of Linear Technology Corporation.
Figure 23. Bridge Reversal Eliminates 1/f Noise and Offset Drift of a Low Noise, Non-Autozeroed,
Bipolar Amplifi er. Circuit Gives 14nV Noise Level or 19 Effective Bits over a 10mV Span
REF
+
REF
–
IN
+
IN
–
V
REF
0.1μF10μF
4
LTC2440
2440 F22
+7V
LT1461-5
1k 0.1%
10Ω
100Ω 0.1%
0.047μF
1μF
1k 0.1%
10Ω
0.047μF
1μF
+
–
–
+
2X LT1677
2X SILICONIX SI9801
5,6,7,8
100k
100k
TOP_N
TOP_P
V
REF
1
3
2
5,6,7,8
4
100k
100k
BOTTOM_N
BOTTOM_P
V
REF
1
3
2
4