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AD7357YRUZ Datasheet(PDF) 4 Page - Analog Devices

Part No. AD7357YRUZ
Description  Differential Input, Dual, Simultaneous Sampling, 4.2 MSPS, 14-Bit, SAR ADC
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD7357YRUZ Datasheet(HTML) 4 Page - Analog Devices

 
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AD7357
Rev. 0 | Page 4 of 20
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
LOGIC INPUTS
Input High Voltage, VINH
0.6 × VDRIVE
V
Input Low Voltage, VINL
0.3 × VDRIVE
V
Input Current, IIN
±1
μA
VIN = 0 V or VDRIVE
Input Capacitance, CIN
3
pF
LOGIC OUTPUTS
Output High Voltage, VOH
VDRIVE − 0.2
V
Output Low Voltage, VOL
0.2
V
Floating-State Leakage Current
±1
μA
Floating-State Output Capacitance
5.5
pF
Output Coding
Straight binary
CONVERSION RATE
Conversion Time
t2 + 15.5 × tSCLK
ns
Track-and-Hold Acquisition Time2
33
ns
Full-scale step input
Throughput Rate
4.2
MSPS
POWER REQUIREMENTS
VDD
2.25
2.75
V
Nominal VDD = 2.5 V
VDRIVE3
2.25
3.6
V
ITOTAL4
Digital inputs = 0 V or VDRIVE
Normal Mode (Operational)
14
20
mA
Normal Mode (Static)
6
7.5
mA
SCLK on or off
Partial Power-Down Mode
3.5
4.5
mA
SCLK on or off
Full Power-Down Mode
5
40
μA
SCLK on or off
Power Dissipation
Normal Mode (Operational)
36
59
mW
Normal Mode (Static)
16
21
mW
SCLK on or off
Partial Power-Down Mode
9.5
11.5
mW
SCLK on or off
Full Power-Down Mode
16
110
μW
SCLK on or off
1 Temperature ranges are as follows: Y grade: −40°C to +125°C, B grade: −40°C to +85°C.
2 See the Terminology section.
3 The interface is functional with VDRIVE voltages down to 1.8 V. In this condition, the SCLK speed may need to be slowed down. See the access and hold times in the
Timing Specifications section.
4 ITOTAL is the total current flowing in VDD and VDRIVE.


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