LTC2486_15 datasheet(7/36 Pages) LINER

Part #	LTC2486

Description	16-Bit 2-/4-Channel ADC with PGA and Easy Drive Input Current Cancellation

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Manufacturer	LINER [Linear Technology]

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LTC2486

7

2486fe

For more information www.linear.com/LTC2486

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

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

2486 G10

2.5

–2

–2.5

–1

0

1

2

VCC = 5V

VREF = 5V

VIN(CM) = 2.5V

TA = 25°C

VIN(CM) (V)

–1

0.8

0.9

1.0

2

4

2486 G11

0.7

0.6

0

1

3

5

6

0.5

0.4

VCC = 5V

VREF = 5V

VIN = 0V

TA = 25°C

GAIN = 256

TEMPERATURE (°C)

–45

0.4

0.5

0.6

0.7

0.8

1.0

–30 –15

15

0

30 45 60

2486 G12

75 90

0.9

VCC = 5V

VREF = 5V

VIN = 0V

VIN(CM) = GND

GAIN = 256

VCC (V)

2.7

0.8

0.9

1.0

3.9

4.7

2486 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

GAIN = 256

VREF (V)

0

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1

2

3

4

2486 G14

5

VCC = 5V

VIN = 0V

VIN(CM) = GND

TA = 25°C

GAIN = 256

VIN(CM) (V)

–1

0.1

0.2

0.3

2

4

2486 G15

0

–0.1

0

1

3

5

6

–0.2

–0.3

VCC = 5V

VREF = 5V

VIN = 0V

TA = 25°C

TEMPERATURE (°C)

–45

–0.3

–0.2

0

0.1

0.2

–15

15 30

90

2486 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

2486 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

VREF (V)

0

–0.3

–0.2

–0.1

0

0.1

0.2

0.3

1

2

3

4

2486 G18

5

VCC = 5V

REF– = GND

VIN = 0V

VIN(CM) = GND

TA = 25°C

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