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AD7329 Datasheet(PDF) 6 Page - Analog Devices

Part No. AD7329
Description  1 MSPS, 8-Channel, Software-Selectable, True Bipolar Input, 12-Bit Plus Sign ADC
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD7329 Datasheet(HTML) 6 Page - Analog Devices

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AD7329
Rev. 0 | Page 6 of 40
B Version
Parameter1
Min
Typ
Max
Unit
Test Conditions/Comments
CONVERSION RATE
Conversion Time
800
ns
16 SCLK cycles with SCLK = 20 MHz
Track-and-Hold Acquisition
Time2, 3
300
ns
Full-scale step input; see the Terminology section
Throughput Rate
1
MSPS
See the Serial Interface section; VCC = 4.75 V to 5.25 V
770
kSPS
VCC < 4.75 V
POWER REQUIREMENTS
Digital inputs = 0 V or VDRIVE
VDD
12
16.5
V
See Table 6
VSS
−12
−16.5
V
See Table 6
VCC
2.7
5.25
V
See Table 6; typical specifications for VCC < 4.75 V
VDRIVE
2.7
5.25
V
Normal Mode (Static)
0.9
mA
VDD= 16.5, VSS = −16.5 V, VCC = VDRIVE = 5.25 V
Normal Mode (Operational)
fSAMPLE = 1 MSPS
IDD
360
μA
VDD = 16.5 V
ISS
410
μA
VSS = −16.5 V
ICC and IDRIVE
3.2
mA
VCC = VDRIVE = 5.25 V
Autostandby Mode (Dynamic)
fSAMPLE = 250 kSPS
IDD
200
μA
VDD = 16.5 V
ISS
210
μA
VSS = −16.5 V
ICC and IDRIVE
1.3
mA
VCC = VDRIVE = 5.25 V
Autoshutdown Mode (Static)
SCLK on or off
IDD
1
μA
VDD = 16.5 V
ISS
1
μA
VSS = −16.5 V
ICC and IDRIVE
1
μA
VCC = VDRIVE = 5.25 V
Full Shutdown Mode
SCLK on or off
IDD
1
μA
VDD = 16.5 V
ISS
1
μA
VSS = −16.5 V
ICC and IDRIVE
1
μA
VCC = VDRIVE = 5.25 V
POWER DISSIPATION
Normal Mode (Operational)
30
mW
VDD = 16.5 V, VSS = −16.5 V, VCC = 5.25 V
21
mW
VDD = 12 V, VSS = −12 V, VCC = 5 V
Full Shutdown Mode
38.25
μW
VDD = 16.5 V, VSS = −16.5 V, VCC = 5.25 V
1 Temperature range is −40°C to +85°C.
2 See the Terminology section.
3 Sample tested during initial release to ensure compliance.
4 For dc accuracy specifications, the LSB size for differential mode is FSR/8192. For single-ended mode/pseudo differential mode, the LSB size is FSR/4096, unless
otherwise noted.
5 Unipolar 0 V to 10 V range with straight binary output coding.
6 Bipolar range with twos complement output coding.


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