LTC2487CDEPBF datasheet(7/32 Pages) LINER

Part #	LTC2487CDEPBF

Description	16-Bit 2-/4-Channel ADC with PGA, Easy Drive and I2C Interface

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC2487

2487fa

INPUT DIFFERENTIAL VOLTAGE (V)

0.4

0.6

0.8

1.0

0.5

0.7

0.9

–1.5

–0.5

0.5

1.5

2487 G10

2.5

–2

–2.5

–1

0

1

2

VCC = 5V

VREF = 5V

VIN(CM) = 2.5V

TA = 25°C

FO = GND

VIN(CM) (V)

–1

0.8

0.9

1.0

2

4

2487 G11

0.7

0.6

0

1

3

5

6

0.5

0.4

VCC = 5V

VREF = 5V

VIN = 0V

TA = 25°C

FO = GND

GAIN = 256

TEMPERATURE (

°C)

–45

0.4

0.5

0.6

0.7

0.8

1.0

–30 –15

15

0

30 45 60

2487 G12

75 90

0.9

VCC = 5V

VREF = 5V

VIN = 0V

VIN(CM) = GND

FO = GND

GAIN = 256

VCC (V)

2.7

0.8

0.9

1.0

3.9

4.7

2487 G13

0.7

0.6

3.1

3.5

4.3

5.1

5.5

0.5

0.4

VREF = 2.5V

VIN = 0V

VIN(CM) = GND

TA = 25°C

FO = GND

GAIN = 256

VREF (V)

0

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1

2

3

4

2487 G14

5

VCC = 5V

VIN = 0V

VIN(CM) = GND

TA = 25°C

FO = GND

GAIN = 256

VIN(CM) (V)

–1

0.1

0.2

0.3

2

4

2487 G15

0

–0.1

0

1

3

5

6

–0.2

–0.3

VCC = 5V

VREF = 5V

VIN = 0V

TA = 25°C

FO = GND

TEMPERATURE (

°C)

–45

–0.3

–0.2

0

0.1

0.2

–15

15 30

90

2487 G16

–0.1

–30

0

45 60 75

0.3

VCC = 5V

VREF = 5V

VIN = 0V

VIN(CM) = GND

FO = GND

VCC (V)

2.7

0.1

0.2

0.3

3.9

4.7

2487 G17

0

–0.1

3.1

3.5

4.3

5.1

5.5

–0.2

–0.3

REF+ = 2.5V

REF– = GND

VIN = 0V

VIN(CM) = GND

TA = 25°C

FO = GND

VREF (V)

0

–0.3

–0.2

–0.1

0

0.1

0.2

0.3

1

2

3

4

2487 G18

5

VCC = 5V

REF– = GND

VIN = 0V

VIN(CM) = GND

TA = 25°C

FO = GND

Typical perForMance characTerisTics

RMS Noise

vs Input Differential Voltage

RMS Noise vs VIN(CM)

RMS Noise vs Temperature (TA)

RMS Noise vs VCC

RMS Noise vs VREF

Offset Error vs VIN(CM)

Offset Error vs Temperature

Offset Error vs VCC

Offset Error vs VREF

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LTC2487CDEPBF Datasheet(PDF) 7 Page - Linear Technology

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