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AD73322 Datasheet(PDF) 4 Page - Analog Devices

Part # AD73322
Description  Low Cost, Low Power CMOS General-Purpose Dual Analog Front End
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD73322 Datasheet(HTML) 4 Page - Analog Devices

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AD73322
–4–
REV. B
Table I. Current Summary (AVDD = DVDD = +3.3 V)
Analog
Digital
Total Current
Total Current
MCLK
Conditions
Current
Current
(Typ)
(Max)
SE
ON
Comments
ADCs On Only
7
4.5
11.5
13
1
YES
REFOUT Disabled
DACs On Only
15.5
4.5
20
23
1
YES
REFOUT Disabled
ADCs and DACs On
19.5
5
24.5
28
1
YES
REFOUT Disabled
ADCs and DACs
and Input Amps On
25
5
30
34
1
YES
REFOUT Disabled
ADCs and DACs
and AGT On
24
5
29
32.5
1
YES
REFOUT Disabled
All Sections On
32
5
37
42
1
YES
REFCAP On Only
0.8
0
0.8
1.25
0
NO
REFOUT Disabled
REFCAP and
REFOUT On Only
3.5
0
3.5
4.5
0
NO
All Sections Off
0
1.5
1.5
1.9
0
YES
MCLK Active Levels Equal to
0 V and DVDD
All Sections Off
0.00
10
µA
10
µA
40
µA
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.
AD73322A
Parameter
Min
Typ
Max
Units
Test Conditions/Comments
LOGIC INPUTS
VINH, Input High Voltage
DVDD – 0.8
DVDD V
VINL, Input Low Voltage
0
0.8
V
IIH, Input Current
–10
+10
µA
CIN, Input Capacitance
10
pF
LOGIC OUTPUT
VOH, Output High Voltage
DVDD – 0.4
DVDD V
|IOUT|
≤ 100 µA
VOL, Output Low Voltage
0
0.4
V
|IOUT|
≤ 100 µA
Three-State Leakage Current
–10
+10
µA
POWER SUPPLIES
AVDD1, AVDD2
2.7
3.3
V
DVDD
2.7
3.3
V
IDD
10
See Table I
NOTES
1 Operating temperature range is as follows: –40
°C to +85°C. Therefore, T
MIN = – 40°C and TMAX = +85°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.
10 Test Conditions: no load on digital inputs, analog inputs ac coupled to ground, no load on analog outputs.
Specifications subject to change without notice.


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