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LTC2489CDEPBF Datasheet(PDF) 24 Page - Linear Technology

Part # LTC2489CDEPBF
Description  16-Bit 2-/4-Channel ADC with Easy Drive Input Current Cancellation and I2C Interface
PDF  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2489CDEPBF Datasheet(HTML) 24 Page - Linear Technology

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LTC2489
24
2489f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2007
LT 0307 • PRINTED IN USA
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TYPICAL APPLICATION
PART NUMBER
DESCRIPTION
COMMENTS
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0.3ppm Noise, 4ppm INL, 10ppm Total Unadjusted Error, 200μA
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24-bit, No Latency ΔΣ ADC with Differential Inputs
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High Speed, Low Noise 24-bit ΔΣ ADC
3.5kHz Output Rate, 200nV Noise, 24.6 ENOBs
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24-Bit, High Speed, 4-Channel/2-Channel ΔΣ ADC with
Integrated Amplifier
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-/24-Bit ΔΣ ADCs with Easy Drive Inputs, 600nV Noise,
Programmable Gain, and Temperature Sensor
Pin Compatible 16-Bit and 24-Bit Versions
LTC2481/LTC2483/
LTC2485
16-/24-Bit ΔΣ ADCs with Easy Drive Inputs, 600nV Noise, I2C
Interface, Programmable Gain, and Temperature Sensor
Pin Compatible 16-Bit and 24-Bit Versions
LTC2486/LTC2488/
LTC2492
16-Bit/24-Bit 2-/4-Channel ΔΣ ADC with Easy Drive Inputs, SPI
Interface, Programmable Gain, and Temperature Sensor
Pin-Compatible 16-Bit and 24-Bit Versions
LTC2487
16-Bit 2-/4-Channel ΔΣ ADC with Easy Drive Inputs and
I2C Interface
Pin-Compatible LTC2493/LTC2489
LTC2493
24-Bit 2-/4-Channel ΔΣ ADC with Easy Drive Inputs,
I2C Interface and Temperature Sensor
Pin Compatible LTC2487/LTC2489
LTC2495/LTC2497/
LTC2499
16-Bit/24-Bit 8-/16-Channel ΔΣ ADC with Easy Drive Inputs and
I2C Interface, Programmable Gain, and Temperature Sensor
Pin-Compatible 16-Bit and 24-Bit Versions
LTC2496/LTC2498
16-Bit 8-/16-Channel ΔΣ ADC with Easy Drive Inputs and
SPI Interface
Pin-Compatible with LTC2449/LTC2494
Figure 27. Easy Drive ADCs Simplify Measurement of High Impedance Sensors
VCC
FO
SCL
SDA
GND
= EXTERNAL OSCILLATOR
= INTERNAL OSCILLATOR
LTC2489
2-WIRE
I2C INTERFACE
9-PIN SELECTABLE
ADDRESSES
2489 F38
CA0
12
1
REF+
13
REF–
14
CH0
8
CH1
9
CH2
10
CH3
11
COM
7
4
2
6
3
5
5V
0.1
μF
10
μF
CA1
IIN
+ = 0
IIN
– = 0
C4
0.1
μF
C3
0.1
μF
–
+
102k
5V
5V
LT1494
0.1
μF
0.1
μF
0.1
μF
1k
1k
10k TO 100k
1.7k
5V
R1
51.1k
R4
51.1k
R3
10k TO 100k



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