LTC2488 LINER [Linear Technology], LTC2488 Datasheet - Page 7

• Manufacturer Part Number: LTC2488
• Description: 16-Bit 2-/4-Channel ?? ADC with Easy Drive Input Current Cancellation
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
–100
–120
–140
–0.1
–0.2
–0.3
–20
–40
–60
–80
200
180
160
140
100
120
0.3
0.2
0.1
0
0
–45
1
Offset Error vs V
PSRR vs Frequency at V
Conversion Current
vs Temperature
0
V
V
IN
IN
F
T
F
CS = GND
SCK = NC
SDO = NC
SDI = GND
O
A
O
CC
REF
+
–
–30
= GND
= 25°C
= GND
= GND
= GND
= 4.1V DC
10
= 2.5V
1
–15
FREQUENCY AT V
TEMPERATURE (°C)
100
0
2
V
V
V
15
CC
REF
CC
REF
1k
= 2.7V
= 5V
(V)
30
3
CC
10k
45
V
REF
V
V
T
(Hz)
A
CC
CC
IN
IN(CM)
= 25°C
–
= 0V
60
= 5V
100k
4
= GND
= GND
75
2488 G16
2488 G13
2488 G10
1M
90
5
–100
–140
–120
310
308
306
304
302
300
–20
–40
–60
–80
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
–45 –30
–45
On-Chip Oscillator Frequency
vs Temperature
PSRR vs Frequency at V
0
Sleep Mode Current
vs Temperature
F
CS = V
SCK = NC
SDO = NC
SDI = GND
V
V
IN
IN
F
T
V
V
V
V
F
O
O
A
O
CC
REF
CC
REF
IN
IN(CM)
20
–30
+
–
= GND
= GND
= 25°C
= GND
= GND
= GND
= 0V
= 4.1V DC ±1.4V
= 4.1V
= 2.5V
= 2.5V
40 60
CC
–15
–15
= GND
FREQUENCY AT V
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
80
V
V
CC
100
15
15
CC
= 2.7V
= 5V
120
30
30
140
CC
45
45
(Hz)
160
CC
60
60
180
75
75
200
2488 G17
2488 G11
2488 G14
220
90
90
–100
–120
–140
310
308
306
304
302
300
–20
–40
–60
–80
500
450
400
350
300
250
200
150
100
30600
0
2.5
0
On-Chip Oscillator Frequency
vs V
PSRR vs Frequency at V
Conversion Current
vs Output Data Rate
V
V
IN
IN
F
T
V
IN
IN
SCK = NC
SDO = NC
SDI = GND
CS GND
F
T
O
O
CC
REF
A
REF
A
+
–
+
–
10
= GND
= 25°C
= EXT OSC
= 25°C
OUTPUT DATA RATE (READINGS/SEC)
= GND
= GND
= GND
= GND
CC
= 4.1V DC ±0.7V
3.0
= 2.5V
= V
20
30650
CC
FREQUENCY AT V
30
3.5
40
V
30700
CC
LTC2488
4.0
50
(V)
60
V
CC
CC
4.5
V
V
V
V
F
T
70
(Hz)
O
30750
= 5V
CC
A
REF
IN
IN(CM)
CC
= GND
= 25°C
= 0V
= 3V
80
= 2.5V
5.0
= GND
2488 G15
90
2488 G12
2488 G18
7
2488f
30800
100
5.5