LTC2488
30
2488fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
LINEAR TECHNOLOGY CORPORATION 2006
LT 0710 REV A PRINTED IN USA
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LT1236A-5
Precision Bandgap Reference, 5V
0.05% Max Initial Accuracy, 5ppm/°C Drift
LT1460
Micropower Series Reference
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
24-Bit, No Latency ΔΣ ADC with Differential Inputs
0.8μVRMS Noise, 2ppm INL
LTC2411/LTC2411-1 24-Bit, No Latency ΔΣ ADCs with Differential Inputs in MSOP
1.45μVRMS Noise, 4ppm INL, Simultaneous 50Hz/60Hz
Rejection (LTC2411-1)
LTC2413
24-Bit, No Latency ΔΣ ADC with Differential Inputs
Simultaneous 50Hz/60Hz Rejection, 800nVRMS Noise
LTC2440
High Speed, Low Noise 24-Bit ΔΣ ADC
3.5kHz Output Rate, 200nV Noise, 24.6 ENOBs
LTC2442
24-Bit, High Speed, 4-Channel/2-Channel ΔΣ ADC with
Integrated Amplier
8kHz Output Rate, 220nV Noise, Simultaneous 50Hz/60Hz Rejection
LTC2449
24-Bit, High Speed, 8-Channel/16-Channel ΔΣ ADC
8kHz Output Rate, 200nV Noise, Simultaneous 50Hz/60Hz Rejection
LTC2480/LTC2482/
LTC2484
16-Bit/24-Bit ΔΣ ADCs with Easy Drive Inputs, 600nV Noise,
Programmable Gain, and Temperature Sensor
Pin Compatible with 16-Bit and 24-Bit Versions
LTC2481/LTC2483/
LTC2485
16-Bit/24-Bit ΔΣ ADCs with Easy Drive Inputs, 600nV Noise,
I2C Interface, Programmable Gain, and Temperature Sensor
Pin Compatible with 16-Bit and 24-Bit Versions
LTC2492
2-Channel, 14-Channel 24-Bit ΔΣ ADC with Easy Drive Inputs
and Temperature Sensor
Pin Compatible with LTC2488
LTC2496/LTC2498
16-Channel/8-Channel 16-Bit/24-Bit ΔΣ ADC with Easy Drive
Inputs and SPI Interface
Timing Compatible with LTC2492
LTC2449
High Speed 16 Input, ΔΣ ADC
8kHz Output Rate, Variable Speed Resolution
TYPICAL APPLICATION
VCC
FO
SCK
SDI
GND
= EXTERNAL OSCILLATOR
= INTERNAL OSCILLATOR
LTC2492
3-WIRE
SPI INTERFACE
2488 F28
SDO
12
1
REF+
13
REF–
14
CH0
8
CH1
9
CH2
10
CH3
11
COM
7
3
5
6
4
2
5V
0.1μF
10μF
CS
5V
IIN
+ = 0
IIN
– = 0
R1
51.1k
R4
51.1k
C4
0.1μF
C3
0.1μF
R3
10k TO 100k
–
+
102k
5V
LT1494
0.1μF
1k
10k TO 100k
Figure 28. Easy Drive ADCs Simplify Measurement of High Impedance Sensors