LTC1090 Linear Technology, LTC1090 Datasheet - Page 7

• Manufacturer Part Number: LTC1090
• Description: Single Chip 10-Bit Data Acquisition System
• Manufacturer: Linear Technology

TYPICAL PERFOR A CE CHARACTERISTICS
1.25
0.75
0.25
1.0
0.5
10
9
8
7
6
5
4
3
2
1
0
6
5
4
3
2
1
0
0
4
4
Supply Current vs Supply Voltage
Unadjusted Offset Error vs
Reference Voltage
Offset Error vs Supply Voltage
V
REF
ACLK = 2MHz
CS = V
T
V
ACLK = 2MHz
V
V
A
CC
REF
OS
OS
= 25°C
0.2
= 5V
+
= 1.25mV AT V
= 0.5mV
OPEN
= 4V
5
5
REFERENCE VOLTAGE, V
CC
V
SUPPLY VOLTAGE, V
SUPPLY VOLTAGE, V
OS
= 1mV
6
6
CC
1.0
7
7
= 5V
8
8
CC
CC
REF
(V)
(V)
W
(V)
LTC1090 • TPC01
LTC1090 • TPC04
LTC1090 • TPC07
5.0
9
9
U
10
10
0.25
1.25
0.75
1.25
0.25
1.4
1.2
0.6
0.2
1.0
0.5
0.75
1.0
0.8
0.4
1.0
0.5
0
–50
0
0
Supply Current vs Temperature
Linearity Error vs Reference
Voltage
Linearity Error vs Supply Voltage
4
V
REF
ACLK = 2MHz
CS = 5V
V
CC
V
ACLK = 2MHz
CC
REF
–25
= 5V
+
= 5V
AMBIENT TEMPERATURE, T
OPEN
REFERENCE VOLTAGE, V
= 4V
5
1
SUPPLY VOLTAGE, V
0
6
2
25
7
50
3
75
8
CC
REF
A
(V)
(°C)
(V)
LTC1090 • TPC02
4
LTC1090 • TPC05
LTC1090 • TPC08
100
9
125
5
10
– 0.25
– 0.5
1.25
0.25
0.75
0.25
0.6
0.5
1.0
0.4
0.3
0.2
0.1
0.5
0.5
0
0
0
–50
0
4
Reference Current vs Temperature
Change in Gain Error vs
Reference Voltage
Change in Gain Error vs Supply
Voltage
V
V
V
ACLK = 2MHz
REF
CC
REF
–25
= 5V
= 5V
AMBIENT TEMPERATURE, T
= 4V
5
REFERENCE VOLTAGE, V
1
SUPPLY VOLTAGE, V
0
6
2
25
LTC1090
7
50
3
8
CC
75
REF
(V)
A
(°C)
(V)
LTC1090 • TPC03
4
LTC1090 • TPC06
LTC1090 • TPC09
100
9
1090fc
7
125
10
5