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LTC2488CDE Datasheet(PDF) 7 Page - Linear Technology

Part # LTC2488CDE
Description  16-Bit 2-/4-Channel ?誇 ADC with Easy Drive Input Current Cancellation
Download  28 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2488CDE Datasheet(HTML) 7 Page - Linear Technology

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LTC2488
7
2488f
VREF (V)
0
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
123
4
2488 G10
5
VCC = 5V
REF– = GND
VIN = 0V
VIN(CM) = GND
TA = 25°C
TYPICAL PERFORMANCE CHARACTERISTICS
Offset Error vs VREF
TEMPERATURE (
°C)
–45
100
120
160
180
200
–15
15
30
90
2488 G16
140
–30
0
45
60
75
VCC = 5V
VCC = 2.7V
FO = GND
CS = GND
SCK = NC
SDO = NC
SDI = GND
FREQUENCY AT VCC (Hz)
0
–140
–120
–80
–60
–40
0
20
100
140
2488 G14
–100
–20
80
180
220
200
40 60
120
160
VCC = 4.1V DC ±1.4V
VREF = 2.5V
IN+ = GND
IN– = GND
FO = GND
TA = 25°C
FREQUENCY AT VCC (Hz)
30600
–60
–40
0
30750
2488 G15
–80
–100
30650
30700
30800
–120
–140
–20
VCC = 4.1V DC ±0.7V
VREF = 2.5V
IN+ = GND
IN– = GND
FO = GND
TA = 25°C
TEMPERATURE (
°C)
–45
0
0.2
0.6
0.8
1.0
2.0
1.4
–15
15
30
90
2488 G17
0.4
1.6
1.8
1.2
–30
0
45
60
75
VCC = 5V
VCC = 2.7V
FO = GND
CS = VCC
SCK = NC
SDO = NC
SDI = GND
OUTPUT DATA RATE (READINGS/SEC)
0
500
450
400
350
300
250
200
150
100
80
2488 G18
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
FREQUENCY AT VCC (Hz)
1
0
–20
–40
–60
–80
–100
–120
–140
1k
100k
2488 G13
10
100
10k
1M
VCC = 4.1V DC
VREF = 2.5V
IN+ = GND
IN– = GND
FO = GND
TA = 25°C
TEMPERATURE (
°C)
–45 –30
300
304
310
–15
30
45
2488 G11
302
308
306
15
0
60
75
90
VCC = 4.1V
VREF = 2.5V
VIN = 0V
VIN(CM) = GND
FO = GND
VCC (V)
2.5
300
302
304
306
308
310
3.0
3.5
4.0
4.5
2488 G12
5.0
5.5
VREF = 2.5V
VIN = 0V
VIN(CM) = GND
FO = GND
TA = 25°C
On-Chip Oscillator Frequency
vs Temperature
On-Chip Oscillator Frequency
vs VCC
PSRR vs Frequency at VCC
PSRR vs Frequency at VCC
PSRR vs Frequency at VCC
Conversion Current
vs Temperature
Sleep Mode Current
vs Temperature
Conversion Current
vs Output Data Rate


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