LTC1291BCJ8 Просмотр технического описания (PDF) - Linear Technology
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LTC1291BCJ8 Datasheet PDF : 20 Pages
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LTC1291
TYPICAL PERFOR A CE CHARACTERISTICS
Supply Current vs Supply Voltage
10
CLK = 1MHz
TA = 25°C
8
6
4
2
0
4
5
6
SUPPLY VOLTAGE (V)
1291 G01
Change in Linearity vs Supply
Voltage
0.5
0.4
0.3
0.2
0.1
0
4.0
4.5
5.0
5.5
6.0
SUPPLY VOLTAGE (V)
1291 G04
Change in Linearity vs
Temperature
0.5
VCC = 5V
CLK = 1MHz
0.4
Supply Current vs Temperature
10
CLK = 1MHz
9
VCC = 5V
8
7
6
5
4
3
–50 –30 –10 10 30 50 70 90 110 130
AMBIENT TEMPERATURE (°C)
1291 G02
Change in Gain Error vs Supply
Voltage
0.5
0.4
0.3
0.2
0.1
0
– 0.1
– 0.2
– 0.3
– 0.4
– 0.5
4.0
4.5
5.0
5.5
6.0
SUPPLY VOLTAGE (V)
1291 G05
Change in Gain vs Temperature
0.5
VCC = 5V
CLK = 1MHz
0.4
0.3
0.3
0.2
0.2
0.1
0.1
0
–50 –25 0 25 50 75 100 125
AMBIENT TEMPERATURE (°C)
0
–50 –25 0 25 50 75 100 125
AMBIENT TEMPERATURE (°C)
1291 G07
1291 G08
* AS THE CLK FREQUENCY IS DECREASED FROM 1MHz, MINIMUM CLK FREQUENCY (∆ERROR ≤ 0.1LSB) REPRESENTS THE
FREQUENCY AT WHICH A 0.1LSB SHIFT IN ANY CODE TRANSITION FROM ITS 1MHz VALUE IS FIRST DETECTED
4
Change in Offset vs Supply
Voltage
0.5
0.4
0.3
0.2
0.1
0
– 0.1
– 0.2
– 0.3
– 0.4
– 0.5
4.0
4.5
5.0
5.5
SUPPLY VOLTAGE (V)
6.0
1291 G03
Change in Offset vs Temperature
0.5
VCC = 5V
CLK = 1MHz
0.4
0.3
0.2
0.1
0
–50 –25 0 25 50 75 100 125
AMBIENT TEMPERATURE (°C)
1291 G06
Minimum Clock Rate for
0.1 LSB Error
VCC = 5V
0.25
0.20
0.15
0.10
0.05
–50 –25 0 25 50 75 100 125
AMBIENT TEMPERATURE (°C)
1291 G09
1291fa
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