AD73322L 查看數據表（PDF） - Analog Devices

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AD73322L

Low Cost, Low Power CMOS General-Purpose Dual Analog Front End

Analog Devices 

AD73322L

Parameter

A, Y Versions

Min

Typ Max

Unit Test Conditions/Comments

LOGIC INPUTS

VINH, Input High Voltage

VINL, Input Low Voltage

IIH, Input Current

CIN, Input Capacitance

LOGIC OUTPUT

VOH, Output High Voltage

VOL, Output Low Voltage

Three-State Leakage Current

DVDD – 0.8

0

–10

DVDD – 0.4

0

–10

DVDD V

0.8

V

+10

µA

10

pF

DVDD V

0.4

V

+10

µA

|IOUT| ≤ 100 µA

|IOUT| ≤ 100 µA

POWER SUPPLIES

AVDD1, AVDD2

DVDD

IDD10

2.7

3.3

V

2.7

3.3

V

See Table I

NOTES

1 Operating temperature range as follows: A Grade, TMIN = –40°C, TMAX = +85°C; Y Grade, TMIN = –40°C, TMAX = +105°C.

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

3 At input to sigma-delta modulator of ADC.

4 Guaranteed by design.

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

6 The ADC’s input impedance is inversely proportional to DMCLK and is approximated by: (3.3 × 1011)/DMCLK.

7 Between VOUTP1 and VOUTN1 or between VOUTP2 and VOUTN2.

8 At VOUT output.

9 Frequency 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 pream-

plifier 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 I. Current Summary (AVDD = DVDD = 3.3 V)

Conditions

Analog Digital

Current Current

Total Current

(Typ)

Total Current

MCLK

(Max)

SE ON Comments

ADCs On Only

3.4

DACs On Only

8.8

ADCs and DACs On 11.6

ADCs and DACs

and Input Amps On 13.8

ADCs and DACs

and AGT On

13.2

All Sections On

17.2

REFCAP On Only

0.65

REFCAP and

REFOUT On Only 2.56

All Sections Off

0

All Sections Off

0 µA

6.3

6.5

7.0

7.0

7.0

7.0

0

0

1.25

12.5 µA

9.7

15.3

18.6

20.8

20.2

24.2

0.67

2.57

1.25

12.7 µA

12

20

23

26

26

31

1.25

4.5

1.8

40 µA

1 YES REFOUT Disabled

1 YES REFOUT Disabled

1 YES REFOUT Disabled

1 YES REFOUT Disabled

1 YES REFOUT Disabled

1 YES

0 NO REFOUT Disabled

0 NO

0 YES MCLK Active Levels Equal to

0 V and DVDD

0 NO Digital Inputs Static and Equal

to 0 V or DVDD

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

–4–

REV. 0

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