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AD2S83(1998) View Datasheet(PDF) - Analog Devices

Part Name
Description
Manufacturer
AD2S83 Datasheet PDF : 19 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
ABSOLUTE MAXIMUM RATINGS1 (with respect to GND)
+VS2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +13 V dc
–VS2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –13 V dc
+VL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +VS
Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +13 V to –VS
SIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +13 V to –VS
COS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +13 V to –VS
Any Logical Input . . . . . . . . . . . . . . . . . . –0.4 V dc to +VL dc
Demodulator Input . . . . . . . . . . . . . . . . . . . . . . . +13 V to –VS
Integrator Input . . . . . . . . . . . . . . . . . . . . . . . . . . +13 V to –VS
VCO Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +13 V to –VS
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . 800 mW
Operating Temperature
Industrial (AP, IP) . . . . . . . . . . . . . . . . . . . –40°C to +85°C
Storage Temperature . . . . . . . . . . . . . . . . . . –65°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . +300°C
CAUTION
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.
RECOMMENDED OPERATING CONDITIONS
Power Supply Voltage (+VS, –VS) . . . . . . . . . . ± 12 V dc ± 5%
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
Industrial (AP, IP) . . . . . . . . . . . . . . . . . . . . –40°C to +85°C
PIN CONFIGURATION
6 5 4 3 2 1 44 43 42 41 40
SIN I/P 7
+VS 8
NC 9
(MSB) DB1 10
DB2 11
DB3 12
DB4 13
DB5 14
DB6 15
DB7 16
DB8 17
PIN 1
IDENTIFIER
AD2S83
TOP VIEW
(Not to Scale)
39 –VS
38 RIPPLE CLOCK
37 DIRECTION
36 BUSY
35 COMP
34 DATA LOAD
33 SC1
32 SC2
31 DIGITAL GND
30 INHIBIT
29 NC
18 19 20 21 22 23 24 25 26 27 28
AD2S83
PIN FUNCTION DESCRIPTIONS
Pin
Nos. Mnemonic
Description
1 DEMOD O/P
2 REFERENCE I/P
3 AC ERROR O/P
4 COS
5 ANALOG GND
6 SIGNAL GND
7 SIN
8 +VS
10–25 DB1–DB16
26 +VL
27 ENABLE
28 BYTE SELECT
30 INHIBIT
31 DIGITAL GND
32, 33 SC2–SC1
34 DATA LOAD
35 COMPLEMENT
36 BUSY
37 DIRECTION
38 RIPPLE CLOCK
39 –VS
40 VCO I/P
41 VCO O/P
42 INTEGRATOR O/P
43 INTEGRATOR I/P
44 DEMOD I/P
Demodulator Output
Reference Signal Input
Ratio Multiplier Output
Cosine Input
Power Ground
Resolver Signal Ground
Sine Input
Positive Power Supply
Parallel Output Data
Logic Power Supply
Logic HI—Output Data Pins in
High Impedance State
Logic LO—Presents Active Data
to the Output Pins
Logic HI—Most Significant Byte to
DB1–DB8
Logic LO—Least Significant Byte
to DB1–DB8
Logic LO Inhibits Data Transfer
to Output Latches
Digital Ground
Select Converter Resolution
Logic LO DB1–DB16 Inputs
Logic HI DB1–DB16 Outputs
Active Logic LO
Converter Busy, Data not Valid
While Busy HI
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
VCO Output
Integrator Output
Integrator Input
Demodulator Input
NC = NO CONNECT
ESD SENSITIVITY
The AD2S83 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).
Proper ESD protection are strongly recommended to avoid functional damage or performance
degradation. For further information on ESD precautions, refer to Analog Devices ESD Prevention
Manual.
REV. D
–5–
WARNING!
ESD SENSITIVE DEVICE
 

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