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AD7264BCPZ Datasheet(PDF) 5 Page - Analog Devices

Part No. AD7264BCPZ
Description  1 MSPS, 14-Bit, Simultaneous Sampling SAR ADC
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD7264BCPZ Datasheet(HTML) 5 Page - Analog Devices

 
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AD7264
Data Sheet
Rev. D | Page 4 of 29
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
LOGIC INPUTS
Input High Voltage, VINH
0.7 × VDRIVE
V
Input Low Voltage, VINL
0.8
V
Input Current, IIN
±1
µA
VIN = 0 V or VDRIVE
Input Capacitance, CIN3
4
pF
LOGIC OUTPUTS
Output High Voltage, VOH
VDRIVE − 0.2
V
Output Low Voltage, VOL
0.4
V
Floating State Leakage Current
±1
µA
Floating State Output Capacitance3
5
pF
Output Coding
Twos complement
CONVERSION RATE
Conversion Time
19 × tSCLK
ns
Track-and-Hold Acquisition Time2
400
ns
Throughput Rate
1
MSPS
AD7264
500
kSPS
AD7264-5
COMPARATORS
Input Offset
Comparator A and Comparator B
±2
±4
mV
TA = 25°C to 105°C only
Comparator C and Comparator D
±2
±4
mV
Offset Voltage Drift
0.5
μV/°C
All comparators
Input Common-Mode Range3
0 to 4
V
CA_CBVCC = 5 V
0 to 1.7
V
CA_CBVCC = 2.7 V
Input Capacitance3
4
pF
Input Impedance3
1
IDD Normal Mode (Static)6
25 pF load, COUTx = 0 V, VCM = AVCC/2,
VOVERDRIVE = 200 mV differential
Comparator A and Comparator B
3
µA
CA_CBVCC = 3.3 V
6
8.5
µA
CA_CBVCC = 5.25 V
Comparator C and Comparator D
60
µA
CC_CDVCC = 3.3 V
120
170
µA
CC_CDVCC = 5.25 V
Propagation Delay Time2
VCM = AVCC/2, VOVERDRIVE = 200 mV
differential
High to Low, tPHL
Comparator A and Comparator B
1.4
3.5
µs
CA_CBVCC = 2.7 V
0.95
µs
CA_CBVCC = 5 V
Comparator C and Comparator D
0.20
0.32
µs
CC_CDVCC = 2.7 V
0.13
µs
CC_CDVCC = 5 V
Low to High, tPLH
Comparator A and Comparator B
2
4
µs
CA_CBVCC = 2.7 V
0.93
µs
CA_CBVCC = 5 V
Comparator C and Comparator D
0.18
0.28
µs
CC_CDVCC = 2.7 V
0.12
µs
CC_CDVCC = 5 V
Delay Matching
VCM = AVCC/2, VOVERDRIVE = 200 mV
differential
Comparator A and Comparator B
±250
ns
Comparator C and Comparator D
±10
ns


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