LTC1289BCSW datasheet(5/28 Pages) LINER

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LTC1289

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HARA TERISTICS

TYPICALPERFOR

Supply Current vs Temperature

Change in Linearity vs Reference

Voltage

Change in Gain vs Reference

Voltage

Supply Current vs Supply Voltage

TEMPERATURE (

°C)

–40

1.3

1.4

1.5

1.6

1.7

–25 –10

LTC 1289 TPC02

1.8

1.9

520

ACLK = 2MHz

VCC = 3V

Unadjusted Offset Voltage vs

Reference Voltage

Change in Offset vs Temperature

Maximum ACLK Frequency vs

Source Resistance

* MAXIMUM ACLK FREQUENCY REPRESENTS THE ACLK FREQUENCY AT WHICH A 0.1LSB SHIFT

IN THE ERROR AT ANY CODE TRANSITION FROM ITS 2MHZ VALUE IS FIRST DETECTED.

SUPPLY VOLTAGE (V)

2.7

0.8

1.0

1.4

1.6

1.8

2.8

2.2

2.9

3.1 3.2

3.6

LTC1289 TPC01

1.2

2.4

2.6

2.0

2.8

3.0

3.3 3.4 3.5

ACLK = 2MHz

TA = 25°C

REFERENCE VOLTAGE (V)

0.1

0.3

0.4

0.5

1.0

2.0

3.0

0.9

LTC1289 TPC03

0.2

0.5

1.5

0.6

0.7

0.8

2.5

VCC = 3V

VOS = 0.250mV

VOS = 0.125mV

Change in Linearity vs

Temperature

AMBIENT TEMPERATURE (

°C)

–60

0.3

0.4

0.5

100

LTC1289 TPC07

0.2

0.1

–40 –20

VCC = 3V

VREF = 2.5V

ACLK = 2MHz

AMBIENT TEMPERATURE (

°C)

–60

0.3

0.4

0.5

100

LTC1289 TPC08

0.2

0.1

–40 –20

VCC = 3V

VREF = 2.5V

ACLK = 2MHz

Change in Gain vs Temperature

RSOURCE (Ω)

100

10 k

100k

LTC1289 TPC09

VCC = 3V

VREF = 2.5V

TA = 25°C

–

INPUT

VIN

RSOURCE–

AMBIENT TEMPERATURE (

°C)

–60

0.3

0.4

0.5

100

LTC1289 TPC06

0.2

0.1

–40 –20

VCC = 3V

VREF = 2.5V

ACLK = 2MHz

REFERENCE VOLTAGE (V)

0.15

0.20

0.25

2.0

LTC1289 TPC05

–0.05

–0.15

–0.25

0.5

1.0

1.5

2.5

3.0

0.10

0.05

–0.10

–0.20

VCC = 3V

REFERENCE VOLTAGE (V)

0.1

0.2

0.3

0.4

0.5

1.0

1.5

2.0

LTC1289 TPC04

2.5

3.0

VCC = 3V

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