LTC2440 Linear Technology, LTC2440 Datasheet - Page 28

• Manufacturer Part Number: LTC2440
• Description: 24-Bit High Speed Differential delta-sigma ADC
• Manufacturer: Linear Technology

RELATED PARTS
LTC2440
TYPICAL APPLICATIO S
28
PART NUMBER
LT1025
LTC1043
LTC1050
LT1236A-5
LT1461
LTC1592
LTC1655
LTC1799
LTC2053
LTC2400
LTC2401/LTC2402
LTC2404/LTC2408
LTC2410/LTC2413
LTC2411
LTC2420LTC2424/
LTC2428
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 Amplifier.
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
Micropower Thermocouple Cold Junction Compensator
Dual Precision Instrumentation Switched Capacitor
Building Block
Precision Chopper Stabilized Op Amp
Precision Bandgap Reference, 5V
Micropower Series Reference, 2.5V
Ultraprecise 16-Bit SoftSpan
16-Bit Rail-to-Rail Micropower DAC
Resistor Set SOT-23 Oscillator
Rail-to-Rail Instrumentation Amplifier
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, No Latency ∆Σ ADC
24-Bit, No Latency ∆Σ ADC in MSOP
1-/4-/8-Channel, 20-Bit, No Latency ∆Σ ADCs
●
FAX: [phone]
5,6,7,8
5,6,7,8
V
3
1
V
3
1
REF
REF
100k
100k
100k
100k
Circuit Gives 14nV Noise Level or 19 Effective Bits Over a 10mV Span
4
2
4
2
2X SILICONIX SI9801
U
●
TOP_P
TOP_N
BOTTOM_P
BOTTOM_N
www.linear.com
TM
DAC
100Ω 0.1%
+
–
–
+
2X LT1677
4
0.047µF
0.047µF
+7V
1k 0.1%
1k 0.1%
10Ω
10Ω
COMMENTS
80µA Supply Current, 0.5°C Initial Accuracy
Precise Charge, Balanced Switching, Low Power
No External Components 5µV Offset, 1.6µV
0.05% Max, 5ppm/°C Drift
0.04% Max, 3ppm/°C Max Drift
Six Programmable Output Ranges
±1LSB DNL, 600µA, Internal Reference, SO-8
Single Resistor Frequency Set
10µV Offset with 50nV/°C Drift, 2.5µV
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
800nV
1.45µV
1.2ppm Noise, 8ppm INL, Pin Compatible with LTC2400/
LTC2404/LTC2408
LT1461-5
RMS
RMS
Noise, 5ppm INL/Simultaneous 50Hz/60Hz Rejection
Noise, 6ppm INL
1µF
1µF
10µF
© LINEAR TECHNOLOGY CORPORATION 2002
0.1µF
IN
IN
+
–
LTC2440
LT/TP 0105 REV A • PRINTED IN USA
REF
REF
V
REF
P-P
+
–
2440 F22
Noise 0.01Hz to 10Hz
P-P
Noise
sn2440, 2440fas