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LTC2484CDD Datasheet(PDF) 9 Page - Linear Technology

Part # LTC2484CDD
Description  24-Bit ?誇 ADC with Easy Drive Input Current Cancellation
PDF  40 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2484CDD Datasheet(HTML) 9 Page - Linear Technology

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LTC2484
2484fa
TYPICAL PERFOR A CE CHARACTERISTICS
Conversion Current
vs Output Data Rate
OUTPUT DATA RATE (READINGS/SEC)
0
500
450
400
350
300
250
200
150
100
80
2484 G28
20
40
60
100
70
10
30
50
90
VCC = 5V
VCC = 3V
VREF = VCC
IN+ = GND
IN– = GND
SCK = NC
SDO = NC
SDI = GND
CS GND
FO = EXT OSC
TA = 25°C
Integral Nonlinearity (2x Speed
Mode; VCC = 5V, VREF = 5V)
INPUT VOLTAGE (V)
–3
–1
1
3
–2
0
2
–1.5
–0.5
0.5
1.5
2484 G29
2.5
–2
–2.5
–1
0
1
2
VCC = 5V
VREF = 5V
VIN(CM) = 2.5V
FO = GND
25
°C, 90°C
–45
°C
Integral Nonlinearity (2x Speed
Mode; VCC = 5V, VREF = 2.5V)
INPUT VOLTAGE (V)
–3
–1
1
3
–2
0
2
–0.75
–0.25
0.25
0.75
2484 G30
1.25
–1.25
VCC = 5V
VREF = 2.5V
VIN(CM) = 1.25V
FO = GND
90
°C
–45
°C, 25°C
Integral Nonlinearity (2x Speed
Mode; VCC = 2.7V, VREF = 2.5V)
INPUT VOLTAGE (V)
–3
–1
1
3
–2
0
2
–0.75
–0.25
0.25
0.75
2484 G31
1.25
–1.25
VCC = 2.7V
VREF = 2.5V
VIN(CM) = 1.25V
FO = GND
90
°C
–45
°C, 25°C
Noise Histogram
(2x Speed Mode)
RMS Noise vs VREF
(2x Speed Mode)
OUTPUT READING (
µV)
179
8
10
12
186.2
2484 G32
6
4
181.4
183.8
188.6
2
0
16
14
10,000 CONSECUTIVE
READINGS
VCC = 5V
VREF = 5V
VIN = 0V
GAIN = 256
TA = 25°C
RMS = 0.86
µV
AVERAGE = 0.184mV
VREF (V)
0
0.6
0.8
1.0
4
2484 G33
0.4
0.2
0
1
2
3
5
VCC = 5V
VIN = 0V
VIN(CM) = GND
FO = GND
TA = 25°C
Offset Error vs VIN(CM)
(2x Speed Mode)
VIN(CM) (V)
–1
180
182
186
188
190
200
194
1
3
4
2484 G34
184
196
198
192
0
2
5
6
VCC = 5V
VREF = 5V
VIN = 0V
FO = GND
TA = 25°C
Offset Error vs Temperature
(2x Speed Mode)
TEMPERATURE (
°C)
–45
200
210
220
75
2484 G35
190
180
160
–15
15
45
–30
90
0
30
60
170
240
230
VCC = 5V
VREF = 5V
VIN = 0V
VIN(CM) = GND
FO = GND



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