AD7713ARZ-REEL Просмотр технического описания (PDF) - Analog Devices
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AD7713ARZ-REEL Datasheet PDF : 28 Pages
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AD7713
Parameter
REFERENCE INPUT
REF IN(+) – REF IN(–) Voltage
Input Sampling Rate, fS
Normal-Mode 50 Hz Rejection6
Normal-Mode 60 Hz Rejection6
Common-Mode Rejection (CMR)
Common-Mode 50 Hz Rejection6
Common-Mode 60 Hz Rejection6
Common-Mode Voltage Range10
DC Input Leakage Current @ 25°C
TMIN to TMAX
LOGIC INPUTS
Input Current
All Inputs Except MCLK IN
VINL, Input Low Voltage
VINH, Input High Voltage
MCLK IN Only
VINL, Input Low Voltage
VINH, Input High Voltage
LOGIC OUTPUTS
VOL, Output Low Voltage
VOH, Output High Voltage
Floating State Leakage Current
Floating State Output Capacitance12
TRANSDUCER BURN-OUT
Current
Initial Tolerance @ 25°C
Drift
RTD EXCITATION CURRENTS
(RTD1, RTD2)
Output Current
Initial Tolerance @ 25°C
Drift
Initial Matching @ 25°C
Drift Matching
Line Regulation (AVDD)
Load Regulation
SYSTEM CALIBRATION
AIN1, AIN2
Positive Full-Scale Calibration Limit13
Negative Full-Scale Calibration Limit13
Offset Calibration Limit14, 15
Input Span14
A, S Versions1
2.5 to AVDD/1.8
fCLK IN/512
100
100
100
150
150
AGND to AVDD
10
1
± 10
0.8
2.0
0.8
3.5
0.4
4.0
± 10
9
1.2
± 10
0.1
Unit
Conditions/Comments
V min to V max For Specified Performance. Part Is
Functional with Lower VREF Voltages.
dB min
dB min
dB min
dB min
dB min
V min to V max
pA max
nA max
For Filter Notches of 2 Hz, 5 Hz, 10 Hz,
25 Hz, 50 Hz, ± 0.02 ϫ fNOTCH.
For Filter Notches of 2 Hz, 6 Hz, 10 Hz,
30 Hz, 60 Hz, ± 0.02 ϫ fNOTCH.
At DC.
For Filter Notches of 2 Hz, 5 Hz, 10 Hz,
25 Hz, 50 Hz, ± 0.02 ϫ fNOTCH.
For Filter Notches of 2 Hz, 6 Hz, 10 Hz,
30 Hz, 60 Hz, ± 0.02 ϫ fNOTCH.
µA max
V max
V min
V max
V min
V max
V min
µA max
pF typ
ISINK = 1.6 mA.
ISOURCE = 100 µA.
µA nom
% typ
%/°C typ
200
µA nom
± 20
% max
20
ppm/°C typ
±1
% max
Matching Between RTD1 and RTD2 Currents.
3
ppm/°C typ
Matching Between RTD1 and RTD2 Current
Drift.
200
nA/V max
AVDD = 5 V.
200
nA/V max
+(1.05 ϫ VREF)/GAIN V max
–(1.05 ϫ VREF)/GAIN V max
–(1.05 ϫ VREF)/GAIN V max
+(0.8 ϫ VREF)/GAIN V min
+(2.1 ϫ VREF)/GAIN V max
GAIN Is the Selected PGA Gain
(Between 1 and 128).
GAIN Is the Selected PGA Gain
(Between 1 and 128).
GAIN Is the Selected PGA Gain
(Between 1 and 128).
GAIN Is the Selected PGA Gain
(Between 1 and 128).
GAIN Is the Selected PGA Gain
(Between 1 and 128).
REV. D
–3–
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