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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 (@ TA = +25؇C, unless otherwise noted)
Parameter
Conditions
AD2S81A
Min Typ Max
SIGNAL INPUTS
Frequency
Voltage Level
Input Bias Current
Input Impedance
Maximum Voltage
400
1.8 2.0
60
1.0
20,000
2.2
150
±8
REFERENCE INPUT
Frequency
Voltage Level
Input Bias Current
Input Impedance
400
1.0
60
1.0
20,000
8.0
150
CONTROL DYNAMICS
Repeatability
1
Allowable Phase Shift
(Signals to Reference)
–10
+10
Tracking Rate
10 Bits
12 Bits
260
14 Bits
16 Bits
Bandwidth1
User Selectable
ACCURACY
Angular Accuracy
H
J
K
L
Monotonicity
Guaranteed Monotonic
Missing Codes (16-Bit Resolution) J, K
L
؎30 + 1 LSB
VELOCITY SIGNAL
Linearity
Reversion Error
DC Zero Offset2
DC Zero Offset Tempco
Gain Scaling Accuracy
Output Voltage
Dynamic Ripple
Output Load
Over Full Range
1 mA Load
Mean Value
±1
؎3
±2
6
–22
؎10
±8
±9
± 10.5
1.5
1.0
INPUT/OUTPUT PROTECTION
Analog Inputs
Overvoltage Protection
Analog Outputs
Short Circuit O/P Protection
±8
± 5.6 ± 8
± 10.4
DIGITAL POSITION
Resolution
10, 12, 14 and 16
Output Format
Bidirectional Natural Binary
Load
3
INHIBIT3
Sense
Logic LO to Inhibit
Time to Stable Data
600
ENABLE3
Logic LO Enables Position
Output. Logic HI Outputs in
High Impedance State
ENABLE/Disable Time
35
110
BYTE SELECT3
Sense
Logic HI
MS Byte DB1–DB8,
(LS Byte DB9–DB16)4
Logic LO
LS Byte DB1–DB8,
(LS Byte DB9–DB16)4
Time to Data Available
60
140
SHORT CYCLE INPUTS4, 5
SC1 SC2
0
0
0
1
1
0
1
1
Internally Pulled High
(100 k) to +VS
10 Bit
12 Bit
14 Bit
16 Bit
DATA LOAD4, 5
Sense
Internally Pulled High (100 k)
to +VS; Logic LO Allows
Data to Be Loaded into the
Counters from the Data Lines
AD2S82A
Min Typ Max
50
20,000
1.8 2.0 2.2
60
150
1.0
±8
50
1.0
60
1.0
20,000
8.0
150
1
–10
+10
1040
260
65
16.25
±1
–22
±8
±9
±8
± 5.6 ± 8
؎22 + 1 LSB
؎8 + 1 LSB
؎4 + 1 LSB
؎2 + 1 LSB
4
1
؎3
±2
6
؎10
± 10.5
1.5
1.0
± 10.4
3
600
35
110
60
140
150 300
Units
Hz
V rms
nA
M
V pk
Hz
V pk
nA
M
LSB
Degrees
rps
rps
rps
rps
arc min
arc min
arc min
arc min
Codes
Code
% FSD
% FSD
mV
µV/°C
% FSD
V
% rms O/P
k
V
mA
LSTTL
ns
ns
ns
ns
–2–
REV. B
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