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AD7734 датащи(PDF) 4 Page - Analog Devices

номер детали AD7734
подробное описание детали  4-Channel, 10 V Input Range, High Throughput, 24-Bit ADC
PDF  32 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

AD7734 датащи(HTML) 4 Page - Analog Devices

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AD7734
Data Sheet
Rev. A | Page 4 of 32
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
BIAS0 to 3, BIASHI Pin Impedance1, 8
12.5
15.5
kΩ
Input Resistor Matching
0.2
%
Input Resistor Temp. Coefficient
–30
ppm/°C
REFERENCE INPUTS
REFIN(+) to REFIN(–) Voltage1, 9
2.475
2.5
2.525
V
NOREF Trigger Voltage
0.5
V
NOREF Bit in Channel Status Register
REFIN(+), REFIN(–)
Common-Mode Voltage1
0
AV
DD
V
Reference Input DC Current10
400
µA
SYSTEM CALIBRATION1, 11
Full-Scale Calibration Limit
+1.05 × FS
V
Zero-Scale Calibration Limit
–1.05 × FS
V
Input Span
0.8 × FS
2.1 × FS
V
LOGIC INPUTS
Input Current
±1
µA
Input Current CS
±10
µA
CS = DVDD
–40
µA
CS = DGND, Internal Pull-Up Resistor
Input Capacitance
5
pF
V
T+
1
1.4
2
V
DV
DD = 5 V
V
T–
1
0.8
1.4
V
DV
DD = 5 V
V
T+ – VT–
1
0.3
0.85
V
DV
DD = 5 V
V
T+
1
0.95
2
V
DV
DD = 3 V
V
T–
1
0.4
1.1
V
DV
DD = 3 V
V
T+ – VT–
1
0.3
0.85
V
DV
DD = 3 V
MCLK IN ONLY
Input Current
±10
µA
Input Capacitance
5
pF
V
INL Input Low Voltage
0.8
V
DV
DD = 5 V
V
INH Input High Voltage
3.5
V
DV
DD = 5 V
V
INL Input Low Voltage
0.4
V
DV
DD = 3 V
V
INH Input High Voltage
2.5
V
DV
DD = 3 V
LOGIC OUTPUTS12
V
OL Output Low Voltage
0.4
V
I
SINK = 800 µA, DVDD = 5 V
V
OH Output High Voltage
4.0
V
I
SOURCE = 200 µA, DVDD = 5 V
V
OL Output Low Voltage
0.4
V
I
SINK = 100 µA, DVDD = 3 V
V
OH Output High Voltage
DV
DD – 0.6
V
I
SOURCE = 100 µA, DVDD = 3 V
Floating State Leakage Current
±1
µA
Floating State Leakage Capacitance
3
pF
P0, P1 INPUTS/OUTPUTS
Levels Referenced to Analog Supplies
Input Current
±10
µA
V
INL Input Low Voltage
0.8
V
AV
DD = 5 V
V
INH Input High Voltage
3.5
V
AV
DD = 5 V
V
OL Output Low Voltage
0.4
V
I
SINK = 7 mA, See Abs. Max. Ratings
V
OH Output High Voltage
4.0
V
I
SOURCE = 200 µA, AVDD = 5 V
POWER REQUIREMENTS
AV
DD–AGND Voltage
4.75
5.25
V
DV
DD–DGND Voltage
4.75
5.25
V
2.70
3.60
V
AV
DD Current (Normal Mode)
13.5
15.9
mA
AV
DD = 5 V
DV
DD Current (Normal Mode)
13
2.8
3.1
mA
DV
DD = 5 V
DV
DD Current (Normal Mode)
13
1.0
1.5
mA
DV
DD = 3 V



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