LTC1287 LINER [Linear Technology], LTC1287 Datasheet - Page 4

• Manufacturer Part Number: LTC1287
• Description: 3V Single Chip 12-Bit Data Acquisition System
• Manufacturer: LINER [Linear Technology]

LTC1287
4
TYPICAL PERFOR
2.0
2.8
2.6
2.4
2.2
1.8
1.6
1.4
1.2
1.0
0.8
0.5
0.4
0.3
0.2
0.1
0.5
0.4
0.3
0.2
0.1
0
0
– 40
2.7
Supply Current vs Supply Voltage
0
Change in Linearity vs
Temperature
Change in Linearity vs Reference
Voltage
V
CLK = 500kHz
T
V
V
CLK = 500kHz
A
2.8
CC
CC
REF
– 20
= 25°C
0.5
= 3V
= 3V
= 2.5V
AMBIENT TEMPERATURE (°C)
2.9
REFERENCE VOLTAGE (V)
SUPPLY VOLTAGE (V)
0
3.0
1.0
20
3.1 3.2
1.5
40
3.3 3.4 3.5
2.0
60
W
2.5
LTC1287 G1
80
LTC1287 G4
LTC1287 G7
A
100
3.6
U
3.0
CE
C
–0.4
–0.5
–0.1
–0.2
–0.3
HARA TERISTICS
0.5
0.4
0.3
0.2
0.1
1.9
1.7
1.6
1.5
1.3
1.8
1.4
0
0
–40
–40
Supply Current vs Temperature
Change in Gain vs Reference
Voltage
0
Change in Gain vs Temperature
V
V
V
CLK = 500kHz
–25
CC
CC
REF
–20
0.5
= 3V
= 3V
= 2.5V
AMBIENT TEMPERATURE (°C)
–10
C
REFERENCE VOLTAGE (V)
0
TEMPERATURE (°C)
1.0
5
20
20
1.5
40
35
2.0
50
CLK = 500kHz
V
60
CC
= 3V
65
2.5
80
LTC1287 G2
LTC1287 G8
LTC1287 G5
80
100
3.0
95
0.6
0.5
0.4
0.2
0.9
0.8
0.7
0.3
0.1
350
300
200
150
100
0.3
250
0.5
0.4
0.2
0.1
50
0
0
0
–40
–40
0
Change in Offset vs Temperature
Unadjusted Offset Voltage vs
Reference Voltage
D
OUT
V
V
V
CLK = 500kHz
V
CC
CC
REF
CC
– 20
–20
0.5
MSB-FIRST DATA
= 3V
= 3V
= 3V
Delay Time vs Temperature
= 2.5V
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
REFERENCE VOLTAGE (V)
LSB-FIRST DATA
V
0
0
OS
1.0
= 0.125mV
20
20
1.5
40
40
V
OS
2.0
= 0.250mV
60
60
2.5
LTC1287 G3
80
80
LTC1287 G6
LTC1287 G9
100
3.0
100