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AD7329 Datasheet(PDF) 5 Page - Analog Devices

Part No. AD7329
Description  1 MSPS, 8-Channel, Software-Selectable, True Bipolar Input, 12-Bit Plus Sign ADC
Download  40 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD7329 Datasheet(HTML) 5 Page - Analog Devices

 
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AD7329
Rev. 0 | Page 5 of 40
B Version
Parameter1
Min
Typ
Max
Unit
Test Conditions/Comments
ANALOG INPUT
Input Voltage Ranges
Reference = 2.5 V; see Table 6
(Programmed via Range
Register)
±10
V
VDD = 10 V min, VSS = −10 V min, VCC = 2.7 V to 5.25 V
±5
V
VDD = 5 V min, VSS = −5 V min, VCC = 2.7 V to 5.25 V
±2.5
V
VDD = 5 V min, VSS = − 5 V min, VCC = 2.7 V to 5.25 V
0 to 10
V
VDD = 10 V min, VSS = AGND min, VCC = 2.7 V to 5.25 V
Pseudo Differential VIN
Input Range
VDD = 16.5 V, VSS = −16.5 V, VCC = 5 V; see Figure 43 and
Figure 44
±3.5
V
Reference = 2.5 V; range = ±10 V
±6
V
Reference = 2.5 V; range = ±5 V
±5
V
Reference = 2.5 V; range = ±2.5 V
+3/−5
V
Reference = 2.5 V; range = 0 V to +10 V
DC Leakage Current
±100
nA
VIN = VDD or VSS
3
nA
Per channel, VIN = VDD or VSS
Input Capacitance3
16
pF
When in track, all ranges, single ended
ADCIN± Capacitance3
7
pF
When in track, ±10 V range, single ended
10
pF
When in track, ±5 V range, single ended
14.5
pF
When in track, ±2.5 V range, single ended
10.5
pF
When in track, 0 V to +10 V range, single ended
4.0
pF
When in hold, all ranges, single ended
MUXOUT− Capacitance3
7.5
pF
All ranges, single ended
MUXOUT+ Capacitance3
13
pF
All ranges, single ended
REFERENCE INPUT/OUTPUT
Input Voltage Range
2.5
3
V
Input DC Leakage Current
±1
μA
Input Capacitance
10
pF
Reference Output Voltage
2.5
V
Reference Output Voltage Error
@ 25°C
±5
mV
Reference Output Voltage
TMIN to TMAX
±10
mV
Reference Temperature
Coefficient
25
ppm/°C
3
ppm/°C
Reference Output Impedance
7
Ω
LOGIC INPUTS
Input High Voltage, VINH
2.4
V
Input Low Voltage, VINL
0.8
V
VCC = 4.75 V to 5.25 V
0.4
V
VCC = 2.7 to 3.6 V
Input Current, IIN
±1
μA
VIN = 0 V or VDRIVE
Input Capacitance, CIN3
10
pF
LOGIC OUTPUTS
Output High Voltage, VOH
VDRIVE
0.2 V
V
ISOURCE = 200 μA
Output Low Voltage, VOL
0.4
V
ISINK = 200 μA
Floating-State Leakage Current
±1
μA
Floating-State Output
Capacitance3
5
pF
Output Coding
Straight natural binary
Coding bit set to 1 in control register
Twos complement
Coding bit set to 0 in control register


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