AD73322AST datasheet(7/43 Pages) AD

7 / 43 page

–7–

REV. B

AD73322

AD73322A

Parameter

Min

Typ

Max

Units

Test Conditions/Comments

LOGIC INPUTS

VINH, Input High Voltage

DVDD – 0.8

DVDD

VINL, Input Low Voltage

0.8

IIH, Input Current

±0.5

µA

CIN, Input Capacitance

LOGIC OUTPUT

VOH, Output High Voltage

DVDD – 0.4

DVDD

|IOUT| ≤ 100 µA

VOL, Output Low Voltage

0.4

|IOUT| ≤ 100 µA

Three-State Leakage Current

±0.3

µA

POWER SUPPLIES

AVDD1, AVDD2

4.5

5.5

DVDD

4.5

5.5

IDD

See Table II

NOTES

1Operating temperature range is as follows: –40

°C to +85°C. Therefore, T

MIN = –40°C and TMAX = +85°C.

2Test conditions: Input PGA set for 0 dB gain, Output PGA set for 6 dB gain, no load on analog outputs (unless otherwise stated).

3At input to sigma-delta modulator of ADC.

4Guaranteed by design.

5Overall group delay will be affected by the sample rate and the external digital filtering.

6The ADC’s input impedance is inversely proportional to DMCLK and is approximated by: (3.3

× 1011)/DMCLK.

7Between VOUTP and VOUTN.

8At VOUT output.

9Frequency responses of ADC and DAC measured with input at audio reference level (the input level that produces an output level of –10 dBm0), with 38 dB

preamplifier bypassed and input gain of 0 dB.

10Test conditions: no load on digital inputs, analog inputs ac coupled to ground, no load on analog outputs.

Specifications subject to change without notice.

Table II. Current Summary (AVDD = DVDD = +5.5 V)

Analog

Digital

Total Current

MCLK

Conditions

Current

(Typ)

Comments

ADCs On Only

7.5

16.5

YES

REFOUT Disabled

DACs On Only

YES

REFOUT Disabled

ADC and DAC On

20.5

30.5

YES

REFOUT Disabled

ADCs and DACs

and Input Amps On

YES

REFOUT Disabled

ADCs and DACs

and AGT On

YES

REFOUT Disabled

All Sections On

YES

REFCAP On Only

0.8

REFOUT Disabled

REFCAP and

REFOUT On Only

3.5

All Sections Off

YES

MCLK Active Levels Equal to 0 V and DVDD

All Sections Off

µA

Digital Inputs Static and Equal to 0 V or DVDD

The above values are in mA and are typical values unless otherwise noted.

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