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AD2S82AJP Datasheet(PDF) 4 Page - Analog Devices

Part No. AD2S82AJP
Description  Variable Resolution, Monolithic Resolver-to-Digital Converters
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD2S82AJP Datasheet(HTML) 4 Page - Analog Devices

 
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AD2S81A
AD2S82A
Parameter
Conditions
Min
Typ
Max
Min
Typ
Max
Units
RATIO MULTIPLIER
AC Error Output Scaling
10 Bit
177.6
mV/Bit
12 Bit
44.4
44.4
mV/Bit
14 Bit
11.1
mV/Bit
16 Bit
2.775
mV/Bit
PHASE SENSITIVE DETECTOR
Output Offset Voltage
12
12
mV
Gain
In Phase
w.r.t. REF
–0.882
–0.9
–0.918
–0.882
–0.9
–0.918
V rms/V dc
In Quadrature
w.r.t. REF
0.04
0.04
V rms/V dc
Input Bias Current
60
150
60
150
nA
Input Impedance
1
1
M
Input Voltage
±8
±8V
INTEGRATOR
Open-Loop Gain
At 10 kHz
57
63
57
63
dB
Dead Zone Current (Hysteresis)
100
100
nA/LSB
Input Offset Voltage
1
5
1
5
mV
Input Bias Current
60
150
60
150
nA
Output Voltage Range
±V
S = ± 10.8 V dc
±7V
VCO
±V
S = ± 12 V dc
Maximum Rate
1.0
1.1
1.0
1.1
MHz
VCO Rate
Positive DIR
7.1
7.9
8.7
7.1
7.9
8.7
kHz/
µA
Negative DIR
7.1
7.9
8.7
7.1
7.9
8.7
kHz/
µA
VCO Power Supply Sensitivity
Increase
+VS
+0.5
+0.5
%/V
–VS
–8.0
–8.0
%/V
Decrease
+VS
–8.0
–8.0
%/V
–VS
+2.0
+2.0
%/V
Input Offset Voltage
1
5
1
5
mV
Input Bias Current
70
380
70
380
nA
Input Bias Current Tempco
–1.22
–1.22
nA/
°C
Input Voltage Range
±8
±8V
Linearity of Absolute Rate
Full Range
<2
<2
% FSD
Over 0% to 50% of Full Range
<1
<1
% FSD
Reversion Error
1.5
1.5
% FSD
Sensitivity of Reversion Error
±8
±8
%/V of
to Symmetry of Power Supplies
Asymmetry
VCO Output1, 2
±2.7
±3.0
±3.3
V/LSB
POWER SUPPLIES
Voltage Levels
+VS
+10.8
+13.2
+10.8
+13.2
V
–VS
–10.8
–13.2
–10.8
–13.2
V
+VL
+5
+13.2
+5
+13.2
V
Current
+IS
±V
S @
±12 V
12
23
12
23
mA
+IS
±V
S @
±13.2 V
19
30
19
30
mA
+IL
±V
L @
±5.0 V
0.5
1.5
0.5
1.5
mA
NOTES
1The VCO output swings between
±3 V depending on the resolver direction.
2AD2S82A only.
Specifications in boldface are tested on all production units at final electrical test.
Specifications subject to change without notice.
(typical @ +25 C unless otherwise noted)
AD2S81A/AD2S82A–SPECIFICATIONS
ESD SENSITIVITY
The AD2S81A and AD2S82A features an input protection circuit consisting of large “distributed”
diodes and polysilicon series resistors to dissipate both high energy discharge (Human Body Model)
and fast, low energy pulses (Charges Device Model).
The AD2S81A and AD2S82A is ESD protection Class II (2000 V min). Proper ESD precautions are
strongly recommended to avoid functional damage or performance degradation. For further informa-
tion on ESD precautions, refer to Analog Devices ESD Prevention Manual.
–4–
REV. B
WARNING!
ESD SENSITIVE DEVICE
ORDERING GUIDE
Operating
Temperature
Package
Accuracy
Ranges
Options*
AD2S81AJD
30 arc min
0
°C to +70°C
D-28
AD2S82AHP
22 arc min
–40
°C to +85°C
P-44A
AD2S82AJP
8 arc min
–40
°C to +85°C
P-44A
AD2S82AKP
4 arc min
–40
°C to +85°C
P-44A
AD2S82ALP
2 arc min
–40
°C to +85°C
P-44A
*D = Ceramic DIP Package; P = Plastic Leaded Chip Carrier (PLCC) Package.


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