LTC2498_15 Datasheet, PDF (38/38 Pages) Linear Technology – 24-Bit 8-/16-Channel ADC with Easy Drive Input Current Cancellation

LTC2498
Typical Application
External Buffers Provide High Impedance Inputs and Amplifier Offsets Are Automatically Cancelled
ANALOG ¹⁷
INPUTS
INPUT
MUX
LTC2498
SDI
ΔΣ ADC
SCK
WITH
EASY DRIVE
INPUTS
SDO
CS
2_–
1/2 LT6078 ¹
1k
3₊
0.1µF
6_–
7 ^1k
1/2 LT6078
5₊
0.1µF
2498 TA02
Related Parts
PART NUMBER
DESCRIPTION
COMMENTS
LT^®1236A-5
Precision Bandgap Reference, 5V
0.05% Max Initial Accuracy, 5ppm/°C Drift
LT1460
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0.075% Max Initial Accuracy, 10ppm/°C Max Drift
LT1790
Micropower SOT-23 Low Dropout Reference Family
0.05% Max Initial Accuracy, 10ppm/°C Max Drift
LTC2400
24-Bit, No Latency ΔΣ ADC in SO-8
0.3ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200µA
LTC2410
LTC2411/LTC2411-1
24-Bit, No Latency ΔΣ ADC with Differential Inputs
0.8µV_RMS Noise, 2ppm INL
24-Bit, No Latency ΔΣ ADCs with Differential Inputs in MSOP 1.45µV_RMS Noise, 2ppm INL, Simultaneous 50Hz/60Hz
Rejection (LTC2411-1)
LTC2413
24-Bit, No Latency ΔΣ ADC with Differential Inputs
LTC2415/LTC2415-1 24-Bit, No Latency ΔΣ ADCs with 15Hz Output Rate
Simultaneous 50Hz/60Hz Rejection, 800nV_RMS Noise
Pin Compatible with the LTC2410
LTC2414/LTC2418 8-/16-Channel 24-Bit, No Latency ΔΣ ADCs
0.2ppm Noise, 2ppm INL, 3ppm Total Unadjusted Errors 200µA
LTC2440
LTC2480
LTC2481
High Speed, Low Noise 24-Bit ΔΣ ADC
16-Bit ΔΣ ADC with Easy Drive Inputs, 600nV_RMS Noise,
Programmable Gain, and Temperature Sensor
16-Bit ΔΣ ADC with Easy Drive Inputs, 600nV_RMS Noise, I²C
Interface, Programmable Gain, and Temperature Sensor
3.5kHz Output Rate, 200nV_RMS Noise, 24.6 ENOBs
Pin-Compatible with LTC2482/LTC2484
Pin-Compatible with LTC2483/LTC2485
LTC2482
LTC2483
16-Bit ΔΣ ADC with Easy Drive Inputs
16-Bit ΔΣ ADC with Easy Drive Inputs, and I²C Interface
Pin-Compatible with LTC2480/LTC2484
Pin-Compatible with LTC2481/LTC2485
LTC2484
LTC2485
24-Bit ΔΣ ADC with Easy Drive Inputs
24-Bit ΔΣ ADC with Easy Drive Inputs, I²C Interface, and
Temperature Sensor
Pin-Compatible with LTC2480/LTC2482
Pin-Compatible with LTC2481/LTC2483
LTC2496
16-Bit 8-/16-Channel ΔΣ ADC with Easy Drive Input Current Pin-Compatible with LTC2498/LTC2449
Cancellation
2498fg
38 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 950_F3_or5_m-7_o4_r1_e 7_{information www.linear.com/LTC2498}
[phone] ^● FAX: [phone] ^● www.linear.com/LTC2498
LT 1114 REV G • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2006