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AD2S80ASE View Datasheet(PDF) - Analog Devices

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Description
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AD2S80ASE Datasheet PDF : 16 Pages
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AD2S80A
RECOMMENDED OPERATING CONDITIONS
Power Supply Voltage (+VS, –VS) . . . . . . . . . ± 12 V dc ± 10%
Power Supply Voltage VL . . . . . . . . . . . . . . . . . . . 5 V dc ± 10%
Analog Input Voltage (SIN and COS) . . . . . . . . 2 V rms ± 10%
Analog Input Voltage (REF) . . . . . . . . . . . . . . 1 V to 8 V peak
Signal and Reference Harmonic Distortion . . . . . . . 10% (max)
Phase Shift Between Signal and Reference . . . ± 10 Degrees (max)
Ambient Operating Temperature Range
Commercial (JD, KD, LD) . . . . . . . . . . . . . . . . 0°C to 70°C
Industrial (AD, BD) . . . . . . . . . . . . . . . . . . . –40°C to +85°C
Extended (SD, SE, TD, TE, UD, UE) . . . –55°C to +125°C
ABSOLUTE MAXIMUM RATINGSl (with respect to GND)
+VS2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +14 V dc
–VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –14 V dc
+VL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VS
Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 V to –VS
SIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 V to –VS
COS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 V to –VS
Any Logical Input . . . . . . . . . . . . . . . . . . . –0.4 V dc to +VL dc
Demodulator Input . . . . . . . . . . . . . . . . . . . . . . . . 14 V to –VS
Integrator Input . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 V to –VS
VCO Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 V to –VS
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 860 mW
Operating Temperature
Commercial (JD, KD, LD) . . . . . . . . . . . . . . . . 0°C to 70°C
Industrial (AD, BD) . . . . . . . . . . . . . . . . . . . –40°C to +85°C
Extended (SD, SE, TD, TE, UD, UE) . . . –55°C to +125°C
θJC3 (40-Lead DIP 883 Parts Only) . . . . . . . . . . . . . . . 11°C/W
θJC3 (44-Terminal LCC 883 Parts Only) . . . . . . . . . . . 10°C/W
Storage Temperature (All Grades) . . . . . . . . –65°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . . 300°C
CAUTION NOTES:
1Absolute Maximum Ratings are those values beyond which damage to the device
may occur.
2Correct polarity voltages must be maintained on the +VS and –VS pins.
3With reference to Appendix C of MIL-M-38510.
Bit Weight Table
Binary
Bits (N)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Resolution Degrees
(2N)
/Bit
Minutes
/Bit
Seconds
/Bit
1
360.0
2
180.0
4
90.0
8
45.0
16
22.5
21600.0
10800.0
5400.0
2700.0
1350.0
1296000.0
648000.0
324000.0
162000.0
81000.0
32
11.25
675.0
40500.0
64
5.625
337.5
20250.0
128
2.8125
168.75
10125.0
256
1.40625
84.375
5062.5
512
0.703125
42.1875
2531.25
1024
2048
4096
8192
116384
0.3515625
0.1757813
0.0878906
0.0439453
0.0219727
21.09375
10.546875
5.273438
2.636719
1.318359
1265.625
632.8125
316.40625
158.20313
79.10156
32768
65536
131072
262144
0.0109836
0.0054932
0.0027466
0.0013733
0.659180
0.329590
0.164795
0.082397
39.55078
19.77539
9.88770
4.94385
PIN CONFIGURATIONS
DIP (D) Package
REFERENCE I/P 1
DEMOD I/P 2
40 DEMOD O/P
39 INTEGRATOR O/P
AC ERROR O/P 3
38 INTEGRATOR I/P
COS 4
37 VCO I/P
ANALOG GND 5
SIGNAL GND 6
36 VS
35 RIPPLE CLK
SIN 7
+VS 8
34 DIRECTION
33 BUSY
MSB DB1 9
32 DATA LOAD
DB2 10 AD2S80A 31 SC2
TOP VIEW
DB3 11 (Not to Scale) 30 SC1
DB4 12
29 DIGITAL GND
DB5 13
28 INHIBIT
DB6 14
27 BYTE SELECT
DB7 15
26 ENABLE
DB8 16
DB9 17
25 VL
24 DB16 LSB
DB10 18
23 DB15
DB11 19
22 DB14
DB12 20
21 DB13
6 5 4 3 2 1 44 43 42 41 40
LCC (E) Package
SIN 7
+VS 8
NC 9
MSB DB1 10
DB2 11
DB3 12
DB4 13
DB5 14
DB6 15
DB7 16
DB8 17
AD2S80A
TOP VIEW
(Not to Scale)
39 VS
38 RIPPLE CLOCK
37 DIRECTION
36 BUSY
35 DATA LOAD
34 NC
33 SC2
32 SC1
31 DIGITAL GND
30 INHIBIT
29 NC
18 19 20 21 22 23 24 25 26 27 28
NC = NO CONNECT
PIN DESIGNATIONS
MNEMONIC
REFERENCE I/P
DEMOD I/P
AC ERROR O/P
COS
ANALOG GROUND
SIGNAL GROUND
SIN
+VS
DB1–DB16
VL
ENABLE
BYTE SELECT
INHIBIT
DIGITAL GROUND
SC1–SC2
DATA LOAD
BUSY
DIRECTION
RIPPLE CLOCK
–VS
VCO I/P
INTEGRATOR I/P
INTEGRATOR O/P
DEMOD O/P
DESCRIPTION
REFERENCE SIGNAL INPUT
DEMODULATOR INPUT
RATIO MULTIPLIER OUTPUT
COSINE INPUT
POWER GROUND
RESOLVER SIGNAL GROUND
SINE INPUT
POSITIVE POWER SUPPLY
PARALLEL OUTPUT DATA
LOGIC POWER SUPPLY
LOGIC Hl-OUTPUT DATA IN HIGH IMPEDANCE
STATE, LOGIC LO PRESENTS DATA TO THE
OUTPUT LATCHES
LOGIC Hl-MOST SIGNIFICANT BYTE TO DB1–DB8
LOGIC LO-LEAST SlGNlFlCANT BYTE TO DB1–DB8
LOGIC LO INHIBITS DATA TRANSFER TO
OUTPUT LATCHES
DlGITAL GROUND
SELECT CONVERTER RESOLUTION
LOGIC LO DB1–DB16 INPUTS LOGIC Hl DB1–D16
OUTPUTS
CONVERTER BUSY, DATA NOT VALID WHILE
BUSY Hl
LOGIC STATE DEFINES DIRECTION
OF INPUT SIGNAL ROTATION
POSITIVE PULSE WHEN CONVERTER OUTPUT
CHANGES FROM 1S TO ALL 0S OR VICE VERSA
NEGATIVE POWER SUPPLY
VCO INPUT
INTEGRATOR INPUT
INTEGRATOR OUTPUT
DEMODULATOR OUTPUT
REV. B
–5–
 

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