TYPICAL PERFOR A CE CHARACTERISTICS
LTC1090
Supply Current vs Supply Voltage
6
REF +OPEN
5
ACLK = 2MHz
CS = VCC
TA = 25°C
4
3
2
1
0
4
5
6
7
8
9 10
SUPPLY VOLTAGE, VCC (V)
LTC1090 • TPC01
Unadjusted Offset Error vs
Reference Voltage
10
VCC = 5V
9
8
7
6
5
VOS = 1mV
4
3
2
1
VOS = 0.5mV
0
0.2
1.0
5.0
REFERENCE VOLTAGE, VREF (V)
LTC1090 • TPC04
Offset Error vs Supply Voltage
1.25
VREF = 4V
ACLK = 2MHz
1.0 VOS = 1.25mV AT VCC = 5V
0.75
0.5
0.25
0
4
5
6
7
8
9 10
SUPPLY VOLTAGE, VCC (V)
LTC1090 • TPC07
Supply Current vs Temperature
1.4
1.2
1.0
0.8
0.6
REF +OPEN
0.4 ACLK = 2MHz
CS = 5V
VCC = 5V
0.2
–50 –25 0
25 50
75 100 125
AMBIENT TEMPERATURE, TA (°C)
LTC1090 • TPC02
Linearity Error vs Reference
Voltage
1.25
VCC = 5V
1.0
0.75
0.5
0.25
0
0
1
2
3
4
5
REFERENCE VOLTAGE, VREF (V)
LTC1090 • TPC05
Linearity Error vs Supply Voltage
1.25
VREF = 4V
ACLK = 2MHz
1.0
0.75
0.5
0.25
0
456
7
8
9 10
SUPPLY VOLTAGE, VCC (V)
LTC1090 • TPC08
Reference Current vs Temperature
0.6
VREF = 5V
0.5
0.4
0.3
0.2
0.1
0
–50
–25 0 25 50 75 100 125
AMBIENT TEMPERATURE, TA (°C)
LTC1090 • TPC03
Change in Gain Error vs
Reference Voltage
1.25
VCC = 5V
1.0
0.75
0.5
0.25
0
0
1
2
3
4
5
REFERENCE VOLTAGE, VREF (V)
LTC1090 • TPC06
Change in Gain Error vs Supply
Voltage
0.5
VREF = 4V
ACLK = 2MHz
0.25
0
– 0.25
– 0.5
456
7
8
9 10
SUPPLY VOLTAGE, VCC (V)
LTC1090 • TPC09
1090fc
7