AD7722AS Просмотр технического описания (PDF) - Analog Devices

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AD7722AS

16-Bit, 195 kSPS CMOS, Σ-Δ ADC

Analog Devices 

AD7722

Parameter

Test Conditions/Comments

A Version

Min

Typ

Max

Unit

LOGIC INPUTS (Excluding CLKIN)

VINH, Input High Voltage

2.0

VINL, Input Low Voltage

CLOCK INPUT (CLKIN)

VINH, Input High Voltage

4.0

VINL, Input Low Voltage

ALL LOGIC INPUTS

IIN, Input Current

CIN, Input Capacitance

VIN = 0 V to DVDD

LOGIC OUTPUTS

VOH, Output High Voltage

|IOUT| = 200 µA

4.0

VOL, Output Low Voltage

|IOUT| = 1.6 mA

POWER SUPPLIES

AVDD, AVDD1

DVDD

IDD

Total from AVDD and DVDD

4.75

4.75

Power Consumption

V

0.8

V

V

0.4

V

± 10

µA

10

pF

V

0.4

V

5.25

V

5.25

V

75

mA

375

mW

NOTES

1Operating temperature range is –40°C to +85°C (A Version).

2Measurement Bandwidth = 0.5 × fS; Input Level = –0.05 dB.

3TA = 25°C to 85°C/TA = TMIN to TMAX.

4Applies after calibration at temperature of interest.

5Gain error excludes reference error. The ADC gain is calibrated w.r.t. the voltage on the REF2 pin.

Specifications subject to change without notice.

REV. B

–3–

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