LTC4151 datasheet(11/82 Pages) AD

11 / 82 page

LTC4284

Rev. B

For more information www.analog.com

TYPICAL PERFORMANCE CHARACTERISTICS

12-Bit Voltage ADC DNL vs Code

12-Bit Current ADC INL vs Code

12-Bit Current ADC DNL vs Code

16-Bit Voltage ADC Noise

Histogram

16-Bit Current ADC Noise

Histogram

12-Bit ADC Input Signal Attenuation

(Low Frequencies)

Voltage ADC Total Unadjusted

Error (TUE) vs Code

Current ADC Total Unadjusted

Error (TUE) vs Code

12-Bit Voltage ADC INL vs Code

INPUT = VRTNS

RESOLUTION = 12-BIT

CODE

1024

2048

3072

4096

–0.10

–0.05

0.05

0.10

4284 G16

INPUT = VRTNS

CODE

1024

2048

3072

4096

–1.0

–0.8

–0.6

–0.4

–0.2

0.0

0.2

0.4

0.6

0.8

1.0

4284 G19

VRTNS = 1.024V

1LSB = 31.25µV

CODE VARIATION (LSB)

–3

–2

–1

1000

2000

3000

4000

5000

6000

4284 G22

INPUT = VADC+ – VADC–

RESOLUTION = 12-BIT

CODE

1024

2048

3072

4096

–0.10

–0.05

0.05

0.10

4284 G17

INPUT = VADC+ – VADC–

CODE

1024

2048

3072

4096

–1.0

–0.8

–0.6

–0.4

–0.2

0.0

0.2

0.4

0.6

0.8

1.0

4284 G20

VADC+ – VADC– = 16.4mV

1LSB = 500nV

CODE VARIATION (LSB)

–3

–2

–1

2000

4000

6000

8000

4284 G23

INPUT = VRTNS

CODE

1024

2048

3072

4096

–1.0

–0.8

–0.6

–0.4

–0.2

0.0

0.2

0.4

0.6

0.8

1.0

4284 G18

INPUT = VADC+ – VADC–

CODE

1024

2048

3072

4096

–1.0

–0.8

–0.6

–0.4

–0.2

0.0

0.2

0.4

0.6

0.8

1.0

4284 G21

INPUT = VRTNS

FREQUENCY (Hz)

100

125

150

–50

–40

–30

–20

–10

4284 G24

LTC4151 Datasheet(PDF) 11 Page - Analog Devices

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