9

LTC1197/LTC1197L

LTC1199/LTC1199L

CC

HARA TERISTICS

A

TYPICALPERFOR

CE

Linearity vs Temperature

TEMPERATURE (

°C)

–55

– 30

0

0.2

0.5

– 5

45

70

1197/99 G19

0.1

0.4

0.3

20

95

120

Gain Error vs Temperature

TEMPERATURE (

°C)

–55

– 30

– 1.0

– 1.2

– 1.4

0

– 5

45

70

1197/99 G21

– 0.2

– 0.4

– 0.6

– 0.8

20

95

120

Offset vs Temperature

TEMPERATURE (

°C)

–55

– 30

– 1.0

0

– 5

45

70

1197/99 G20

– 0.2

– 0.3

– 0.4

– 0.5

– 0.6

– 0.7

– 0.8

– 0.9

– 0.1

20

95

120

*As the CLK frequency is decreased from 2MHz, minimum CLK frequency (

∆error ≤ 0.1LSB)

represents the frequency at which a 0.1LSB shift in any code translation from its 2MHz value

is first detected.

at any code transition from its 3.5MHz value is first detected.

Acquisition Time

vs Source Resistance

Maximum Clock Frequency

vs Supply Voltage

vs Source Resistance

SOURCE RESISTANCE (

Ω)

100

1000

0.1

1

10

100

10000

1197/99 G25

+ INPUT

+

COM

SUPPLY VOLTAGE (V)

0

6

8

10

11

8

1197/99 G26

4

2

5

7

9

3

1

0

2

4

6

19

3

5

7

10

SOURCE RESISTANCE (

Ω)

100

100

1000

10000

1000

10000

1197/99 G27

+ INPUT

–

– INPUT

TEMPERATURE (

°C)

–55

0.1

1

10

100

1000

– 35 – 15

5

25

1197/99 G22

45

65

85 105 125

Minimum Clock Frequency for

0.1LSB Error* vs Temperature

Digital Input Threshold

vs Supply Voltage

Input Channel Leakage Current

vs Temperature

SUPPLY VOLTAGE (V)

0

3

4

5

8

1197/99 G23

2

1

0

2

4

6

10

TEMPERATURE (

°C)

0

1

10

100

100

1197/99 G24

0.1

0.01

0.001

25

50

75

125

ON CHANNEL

OFF CHANNEL