5

LTC1292/LTC1297

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CC

HARA TERISTICS

A

TYPICALPERFOR

CE

LTC1297 Supply Current (Power

Shutdown) vs CLK Frequency

REFERENCE VOLTAGE (V)

0

0.75

1.00

1.25

4

LTC1292/7 G06

0.50

0.25

0

1

2

3

5

Change in Gain vs Temperature

* 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 (NOTE 9).

CLK FREQUENCY (kHz)

0

15

20

25

800

LTC1292/7 G04

10

5

0

200

400

600

1000

CS HIGH

CMOS LOGIC LEVELS

Change in Linearity vs

Reference Voltage

Unadjusted Offset Voltage vs

Reference Voltage

REFERENCE VOLTAGE (V)

1

0.5

0.6

5

LTC1292/7 G05

0.4

0.3

0.1

2

3

4

0.2

0.9

0.8

0.7

Change in Gain vs

Reference Voltage

Change in Offset vs Temperature

AMBIENT TEMPERATURE (

°C)

–50

0.3

0.4

0.5

50

LTC1292/7 G08

0.2

0.1

0

–25

0

25

75

125

100

CLK = 1MHz

Change in Linearity vs

Temperature

AMBIENT TEMPERATURE (

°C)

–50

0.3

0.4

0.5

50

LTC1292/7 G09

0.2

0.1

0

–25

0

25

75

125

100

CLK = 1MHz

REFERENCE VOLTAGE (V)

0

–1.2

–1.0

–0.8

–0.6

–0.4

–0.2

0

12

3

4

LTC1292/7 G07

5

AMBIENT TEMPERATURE (

°C)

–50

0.3

0.4

0.5

50

LTC1292/7 G10

0.2

0.1

0

–25

0

25

75

125

100

CLK = 1MHz

AMBIENT TEMPERATURE (

°C)

–50

0.15

0.20

0.25

50

LTC1292/7 G11

0.10

0.05

–25

0

25

75

125

100

Minimum Clock Rate for

0.1 LSB Error*

AMBIENT TEMPERATURE (

°C)

–50

150

200

250

50

LTC1292/7 G12

100

0

–25

0

25

75

125

100

50

MSB FIRST DATA

LSB FIRST DATA