4

LTC1291

Supply Current vs Supply Voltage

Supply Current vs Temperature

CC

HARA TERISTICS

A

TYPICALPERFOR

CE

Change in Gain vs Temperature

Change in Offset vs Supply

Voltage

SUPPLY VOLTAGE (V)

4

4

6

6

1291 G01

2

0

5

10

8

CLK = 1MHz

AMBIENT TEMPERATURE (°C)

–50

7

8

9

30

70

1291 G02

6

5

–30 –10

50

90 110

4

3

10

10

130

CLK = 1MHz

Change in Linearity vs Supply

Voltage

Change in Gain Error vs Supply

Voltage

Change in Offset vs Temperature

Change in Linearity vs

Temperature

AMBIENT TEMPERATURE (°C)

–50

0

0.2

0.5

0

50

75

1291 G07

0.1

0.4

0.3

–25

25

100

125

CLK = 1MHz

AMBIENT TEMPERATURE (°C)

–50

0

0.2

0.5

0

50

75

1291 G08

0.1

0.4

0.3

–25

25

100

125

CLK = 1MHz

Minimum Clock Rate for

0.1 LSB Error

AMBIENT TEMPERATURE (°C)

–50

0.15

0.20

0.25

50

1291 G09

0.10

0.05

–25

0

25

75

125

100

* 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.

SUPPLY VOLTAGE (V)

4.0

0.1

0.3

0.4

6.0

1291 G04

4.5

5.0

5.5

0.2

0.5

0

SUPPLY VOLTAGE (V)

4.0

0.1

0.3

0.4

6.0

1291 G05

–0.1

–0.3

–0.5

4.5

5.0

5.5

0.2

0.5

0

–0.2

–0.4

SUPPLY VOLTAGE (V)

4.0

0.1

0.3

0.4

6.0

1291 G03

–0.1

–0.3

–0.5

4.5

5.0

5.5

0.2

0.5

0

–0.2

–0.4

AMBIENT TEMPERATURE (°C)

–50

0

0.2

0.5

0

50

75

1291 G06

0.1

0.4

0.3

–25

25

100

125

CLK = 1MHz