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AD2S82ALP View Datasheet(PDF) - Analog Devices

Part NameDescriptionManufacturer
AD2S82ALP Variable Resolution, Monolithic Resolver-to-Digital Converters ADI
Analog Devices ADI
AD2S82ALP Datasheet PDF : 16 Pages
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AD2S81A/AD2S82A–SPECIFICATIONS (typical @ +25؇C unless otherwise noted)
Parameter
Conditions
AD2S81A
Min Typ Max
AD2S82A
Min Typ Max
Units
RATIO MULTIPLIER
AC Error Output Scaling
10 Bit
12 Bit
14 Bit
16 Bit
177.6
mV/Bit
44.4
44.4
mV/Bit
11.1
mV/Bit
2.775
mV/Bit
PHASE SENSITIVE DETECTOR
Output Offset Voltage
Gain
In Phase
In Quadrature
Input Bias Current
Input Impedance
Input Voltage
INTEGRATOR
Open-Loop Gain
Dead Zone Current (Hysteresis)
Input Offset Voltage
Input Bias Current
Output Voltage Range
VCO
Maximum Rate
VCO Rate
VCO Power Supply Sensitivity
Increase
Decrease
Input Offset Voltage
Input Bias Current
Input Bias Current Tempco
Input Voltage Range
Linearity of Absolute Rate
Full Range
Over 0% to 50% of Full Range
Reversion Error
Sensitivity of Reversion Error
to Symmetry of Power Supplies
VCO Output1, 2
w.r.t. REF
w.r.t. REF
At 10 kHz
± VS = ± 10.8 V dc
± VS = ± 12 V dc
Positive DIR
Negative DIR
+VS
–VS
+VS
–VS
–0.882 –0.9
60
1
12
–0.918
0.04
150
±8
57
63
100
1
5
60
150
±7
1.0 1.1
7.1 7.9 8.7
7.1 7.9 8.7
+0.5
–8.0
–8.0
+2.0
1
5
70
380
–1.22
±8
<2
<1
1.5
±8
12
–0.882 –0.9
60
1
–0.918
0.04
150
±8
57
63
100
1
5
60
150
1.0 1.1
7.1 7.9 8.7
7.1 7.9 8.7
+0.5
–8.0
–8.0
+2.0
1
5
70
380
–1.22
±8
<2
<1
1.5
±8
± 2.7 ± 3.0 ± 3.3
mV
V rms/V dc
V rms/V dc
nA
M
V
dB
nA/LSB
mV
nA
V
MHz
kHz/µA
kHz/µA
%/V
%/V
%/V
%/V
mV
nA
nA/°C
V
% FSD
% FSD
% FSD
%/V of
Asymmetry
V/LSB
POWER SUPPLIES
Voltage Levels
+VS
–VS
+VL
Current
+IS
+IS
+IL
± VS @ ± 12 V
± VS @ ± 13.2 V
± VL @ ± 5.0 V
+10.8
–10.8
+5
؎12
؎19
؎0.5
+13.2
–13.2
+13.2
؎23
؎30
؎1.5
+10.8
–10.8
+5
+13.2
V
–13.2
V
+13.2
V
؎12 ؎23
mA
؎19 ؎30
mA
؎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.
ORDERING GUIDE
Accuracy
Operating
Temperature
Ranges
Package
Options*
AD2S81AJD
AD2S82AHP
AD2S82AJP
AD2S82AKP
AD2S82ALP
30 arc min
22 arc min
8 arc min
4 arc min
2 arc min
0°C to +70°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
D-28
P-44A
P-44A
P-44A
P-44A
*D = Ceramic DIP Package; P = Plastic Leaded Chip Carrier (PLCC) Package.
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.
WARNING!
ESD SENSITIVE DEVICE
–4–
REV. B
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