LTC1291 Linear Technology, LTC1291 Datasheet - Page 4

• Manufacturer Part Number: LTC1291
• Description: Single Chip 12-Bit Data Acquisition System
• Manufacturer: Linear Technology

LTC1291
* AS THE CLK FREQUENCY IS DECREASED FROM 1MHz, MINIMUM CLK FREQUENCY ( ERROR 0.1LSB) REPRESENTS THE
4
TYPICAL PERFOR
FREQUENCY AT WHICH A 0.1LSB SHIFT IN ANY CODE TRANSITION FROM ITS 1MHz VALUE IS FIRST DETECTED.
0.3
0.5
0.4
0.2
0.1
0.5
0.4
0.3
0.2
0.1
10
0
8
6
4
2
0
0
–50
4.0
Supply Current vs Supply Voltage
Change in Linearity vs
Temperature
4
Change in Linearity vs Supply
Voltage
V
CLK = 1MHz
CLK = 1MHz
T
CC
A
–25
= 25°C
= 5V
AMBIENT TEMPERATURE (°C)
4.5
SUPPLY VOLTAGE (V)
0
SUPPLY VOLTAGE (V)
25
5.0
5
50
75
5.5
W
100
A
1291 G01
1291 G07
1291 G04
U
125
6.0
6
CE
C
–0.3
–0.1
–0.2
–0.4
–0.5
HARA TERISTICS
0.5
0.4
0.3
0.2
0.1
0.5
0.4
0.3
0.2
0.1
10
5
0
9
8
6
4
3
0
7
–50
–50
4.0
Supply Current vs Temperature
Change in Gain Error vs Supply
Voltage
Change in Gain vs Temperature
V
CLK = 1MHz
–30 –10
CC
–25
= 5V
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
C
4.5
SUPPLY VOLTAGE (V)
0
10
25
30
5.0
50
50
70
75
CLK = 1MHz
V
5.5
CC
90 110
= 5V
100
1291 G05
1291 G08
1291 G02
125
130
6.0
0.25
0.20
0.15
0.10
–0.1
–0.2
–0.3
–0.4
–0.5
0.05
0.5
0.4
0.3
0.2
0.1
0.5
0.4
0.3
0.2
0.1
0
0
–50
–50
4.0
Change in Offset vs Temperature
Change in Offset vs Supply
Voltage
Minimum Clock Rate for
0.1 LSB Error
V
CLK = 1MHz
V
CC
CC
–25
–25
= 5V
= 5V
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
4.5
0
SUPPLY VOLTAGE (V)
0
25
25
5.0
50
50
75
75
5.5
100
100
1291 G06
1291 G09
1291 G03
125
125
6.0