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LTC2485CDD Datasheet(PDF) 7 Page - Linear Technology

Part # LTC2485CDD
Description  24-Bit ?誇 ADC with Easy Drive Input Current Cancellation and I2C Interface
PDF  40 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2485CDD Datasheet(HTML) 7 Page - Linear Technology

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LTC2485
2485fa
TEMPERATURE (
°C)
–45
–0.3
–0.2
0
0.1
0.2
–15
15
30
90
2485 G16
–0.1
–30
0
45
60
75
0.3
VCC = 5V
VREF = 5V
VIN = 0V
VIN(CM) = GND
VCC (V)
2.7
0.1
0.2
0.3
3.9
4.7
2485 G17
0
–0.1
3.1
3.5
4.3
5.1
5.5
–0.2
–0.3
REF+ = 2.5V
REF– = GND
VIN = 0V
VIN(CM) = GND
TA = 25°C
VREF (V)
0
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
123
4
2485.G18
5
VCC = 5V
REF– = GND
VIN = 0V
VIN(CM) = GND
TA = 25°C
TYPICAL PERFOR A CE CHARACTERISTICS
RMS Noise
vs Input Differential Voltage
RMS Noise vs VIN(CM)
RMS Noise vs Temperature (TA)
RMS Noise vs VCC
RMS Noise vs VREF
Offset Error vs VIN(CM)
Offset Error vs Temperature
Offset Error vs VCC
Offset Error vs VREF
INPUT DIFFERENTIAL VOLTAGE (V)
0.4
0.6
0.8
1.0
0.5
0.7
0.9
–1.5
–0.5
0.5
1.5
2485 G10
2.5
–2
–2.5
–1
0
1
2
VCC = 5V
VREF = 5V
VIN(CM) = 2.5V
TA = 25°C
VIN(CM) (V)
–1
0.8
0.9
1.0
24
2485 G11
0.7
0.6
01
35
6
0.5
0.4
VCC = 5V
VREF = 5V
VIN = 0V
VIN(CM) = GND
TA = 25°C
TEMPERATURE (
°C)
–45
0.4
0.5
0.6
0.7
0.8
1.0
–30 –15
15
030
45
60
2485 G12
75
90
0.9
VCC = 5V
VREF = 5V
VIN = 0V
VIN(CM) = GND
VCC (V)
2.7
0.8
0.9
1.0
3.9
4.7
2485 G13
0.7
0.6
3.1
3.5
4.3
5.1
5.5
0.5
0.4
VREF = 2.5V
VIN = 0V
VIN(CM) = GND
TA = 25°C
VREF (V)
0
0.4
0.5
0.6
0.7
0.8
0.9
1.0
123
4
2485 G14
5
VCC = 5V
VIN = 0V
VIN(CM) = GND
TA = 25°C
VIN(CM) (V)
–1
0.1
0.2
0.3
24
2485 G15
0
–0.1
01
35
6
–0.2
–0.3
VCC = 5V
VREF = 5V
VIN = 0V
TA = 25°C



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