參數(shù)資料
型號(hào)： AD2S83
廠商： Analog Devices, Inc.
英文描述： Variable Resolution, Monolithic Resolver-to-Digital Converters(可變分辨率,單片解算-數(shù)字變換器)
中文描述： 可變分辨率，單片分解到數(shù)字轉(zhuǎn)換器（可變分辨率，單片解算-數(shù)字變換器）
文件頁(yè)數(shù)： 5/19頁(yè)
文件大?。?/td> 198K
代理商： AD2S83
AD2S83
–5–
REV. D
PIN FUNCTION DESCRIPTIONS
P
in
Nos.
Mnemonic
Description
1
2
3
4
5
6
7
8
DEMOD O/P
REFERENCE I/P
AC ERROR O/P
COS
ANALOG GND
SIGNAL GND
SIN
+V
S
10–25 DB1–DB16
26
+V
L
27
ENABLE
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
28
BYTE SELECT
30
INHIBIT
31
32, 33 SC2–SC1
34
DATA LOAD
DIGITAL GND
35
36
COMPLEMENT
BUSY
37
DIRECTION
38
RIPPLE CLOCK
39
40
41
42
43
44
–V
S
VCO I/P
VCO O/P
INTEGRATOR O/P
INTEGRATOR I/P
DEMOD I/P
ABSOLUTE MAXIMUM RATINGS
1
(with respect to GND)
+
V
S2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +13 V dc
–V
S2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –13 V dc
+V
L
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +V
S
Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +13 V to –V
S
SIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +13 V to –V
S
COS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +13 V to –V
S
Any Logical Input . . . . . . . . . . . . . . . . . . –0.4 V dc to +V
L
dc
Demodulator Input . . . . . . . . . . . . . . . . . . . . . . . +13 V to –V
S
Integrator Input . . . . . . . . . . . . . . . . . . . . . . . . . . +13 V to –V
S
VCO Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +13 V to –V
S
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
1
Absolute Maximum Ratings are those values beyond which damage to the device
may occur.
2
Correct polarity voltages must be maintained on the +V
S
and –V
S
pins.
RECOMMENDED OPERATING CONDITIONS
Power Supply Voltage (+V
S
, –V
S
) . . . . . . . . . .
±
12 V dc
±
5%
Power Supply Voltage V
L
. . . . . . . . . . . . . . . . . +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
9
10
11
12
13
7
8
16
17
14
15
2
1
44
3
4
5
6
42 41 40
43
35
36
37
38
39
33
34
31
32
29
30
–V
S
RIPPLE CLOCK
DIRECTION
BUSY
COMP
DATA LOAD
SC1
D
D
D
D
D
SIN I/P
+V
S
NC
(MSB) DB1
DB2
DB3
DB4
NC = NO CONNECT
DB5
DB6
DB7
DB8
SC2
DIGITAL GND
INHIBIT
NC
S
A
C
A
R
D
D
I
I
V
V
18 19 20 21 22 23 24 25 26 27 28
D
PIN 1
TOP VIEW
(Not to Scale)
AD2S83
(
+
L
E
B
D
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
.
WARNING!
ESD SENSITIVE DEVICE
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