AMC7823IRTAT datasheet(14/55 Pages) TI

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2.7

2.85

3.0

3.15

3.3

3V Supply Voltage (V)

12.0

8.0

4.0

−4.0

−8.0

−12.0

Gain

Offset

REF = 1.25V

2.7

2.85

3.0

3.15

3.3

3V Supply Voltage (V)

1.0

0.8

0.6

0.4

0.2

Gain Match

Offset Match

REF = 1.25V

2.5

3.0

3.5

4.0

4.5

5.0

5.5

DD Voltage (V)

2.5004

2.5002

2.5000

2.4998

2.4996

2.4994

2.4992

2.4990

1.2504

1.2502

1.2500

1.2498

1.2496

1.2494

1.2492

1.2490

2.5V

REF

1.25V

REF

−60

−40

−20

100

Temperature (

_C)

1.0

0.5

−0.5

−1.0

−1.5

−2.0

−2.5

−3.0

−3.5

−4.0

2.5V

REF

1.25V

REF

DD = 5V or 3V

AMC7823

SLAS453F – APRIL 2005 – REVISED MARCH 2012

www.ti.com

TYPICAL CHARACTERISTICS: ANALOG-TO-DIGITAL CONVERTER (ADC) (continued)

At +25°C, AVDD = DVDD = 5V, unless otherwise noted.

GAIN AND OFFSET ERROR

GAIN AND OFFSET ERROR MATCH

3V SUPPLY

Figure 15.

Figure 16.

INTERNAL REFERENCES

2.5V AND 1.25V INTERNAL REFERENCES

vs AVDD VOLTAGE

vs TEMPERATURE

Figure 17.

Figure 18.

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