Power Supply Voltage (+VS, –V
參數(shù)資料
型號(hào)： AD2S80ASD
廠商： Analog Devices Inc
文件頁數(shù)： 16/20頁
文件大?。?/td> 0K
描述： IC R/D CONV TRACKING 40CDIP
標(biāo)準(zhǔn)包裝： 1
類型： R/D 轉(zhuǎn)換器
輸入類型： 并聯(lián)
輸出類型： 數(shù)字
接口： 并聯(lián)
電流 - 電源： 30mA
安裝類型： 通孔
封裝/外殼： 40-CDIP（0.600"，15.24mm）
供應(yīng)商設(shè)備封裝： 40-DIP
包裝： 管件
AD2S80A
REV. B
–5–
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 RATINGS
l (with respect to GND)
+VS
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +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
θ
JC
3 (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 +V
S and –VS pins.
3With reference to Appendix C of MIL-M-38510.
Bit Weight Table
Binary
Resolution
Degrees
Minutes
Seconds
Bits (N)
(2
N)
/Bit
0
1
360.0
21600.0
1296000.0
1
2
180.0
10800.0
648000.0
2
4
90.0
5400.0
324000.0
3
8
45.0
2700.0
162000.0
4
16
22.5
1350.0
81000.0
5
32
11.25
675.0
40500.0
6
64
5.625
337.5
20250.0
7
128
2.8125
168.75
10125.0
8
256
1.40625
84.375
5062.5
9
512
0.703125
42.1875
2531.25
10
1024
0.3515625
21.09375
1265.625
11
2048
0.1757813
10.546875
632.8125
12
4096
0.0878906
5.273438
316.40625
13
8192
0.0439453
2.636719
158.20313
14
116384
0.0219727
1.318359
79.10156
15
32768
0.0109836
0.659180
39.55078
16
65536
0.0054932
0.329590
19.77539
17
131072
0.0027466
0.164795
9.88770
18
262144
0.0013733
0.082397
4.94385
PIN CONFIGURATIONS
PIN DESIGNATIONS
MNEMONIC
DESCRIPTION
REFERENCE I/P
REFERENCE SIGNAL INPUT
DEMOD I/P
DEMODULATOR INPUT
AC ERROR O/P
RATIO MULTIPLIER OUTPUT
COS
COSINE INPUT
ANALOG GROUND
POWER GROUND
SIGNAL GROUND
RESOLVER SIGNAL GROUND
SIN
SINE INPUT
+VS
POSITIVE POWER SUPPLY
DB1–DB16
PARALLEL OUTPUT DATA
VL
LOGIC POWER SUPPLY
ENABLE
LOGIC Hl-OUTPUT DATA IN HIGH IMPEDANCE
STATE, LOGIC LO PRESENTS DATA TO THE
OUTPUT LATCHES
BYTE SELECT
LOGIC Hl-MOST SIGNIFICANT BYTE TO DB1–DB8
LOGIC LO-LEAST SlGNlFlCANT BYTE TO DB1–DB8
INHIBIT
LOGIC LO INHIBITS DATA TRANSFER TO
OUTPUT LATCHES
DIGITAL GROUND
DlGITAL GROUND
SC1–SC2
SELECT CONVERTER RESOLUTION
DATA LOAD
LOGIC LO DB1–DB16 INPUTS LOGIC Hl DB1–D16
OUTPUTS
BUSY
CONVERTER BUSY, DATA NOT VALID WHILE
BUSY Hl
DIRECTION
LOGIC STATE DEFINES DIRECTION
OF INPUT SIGNAL ROTATION
RIPPLE CLOCK
POSITIVE PULSE WHEN CONVERTER OUTPUT
CHANGES FROM 1S TO ALL 0S OR VICE VERSA
–VS
NEGATIVE POWER SUPPLY
VCO I/P
VCO INPUT
INTEGRATOR I/P
INTEGRATOR INPUT
INTEGRATOR O/P
INTEGRATOR OUTPUT
DEMOD O/P
DEMODULATOR OUTPUT
DIP (D) Package
NC = NO CONNECT
SIN
+VS
DB2
NC
MSB DB1
–VS
RIPPLE CLOCK
DATA LOAD
DIRECTION
BUSY
SC2
NC
DIGITAL GND
SC1
NC
INHIBIT
DB4
DB3
DB6
DB5
DB8
DB7
31
2
444 43 42 41 40
5
6
7
10
8
9
11
13
12
14
15
17
16
18 19
24
23
20
22
21
28
27
26
25
33
34
35
36
37
38
39
29
30
31
32
TOP VIEW
(Not to Scale)
AD2S80A
DB9
DB10
DB13
DB11
DB12
DB15
DB14
V
L
LSB
DB16
BYTE
SELECT
SIGNAL
GND
ANALOG
GND
DEMOD
I/P
COS
AC
ERROR
O/P
DEMOD
O/P
REFERENCE
I/P
INTEGRATOR
I/P
INTEGRATOR
O/P
VCO
I/P
NC
ENABLE
LCC (E) Package
DB3
RIPPLE CLK
INHIBIT
ENABLE
DEMOD O/P
INTEGRATOR O/P
–VS
SC1
DIRECTION
INTEGRATOR I/P
VCO I/P
BUSY
DATA LOAD
SC2
DIGITAL GND
BYTE SELECT
VL
DB16 LSB
DB14
DB15
DB13
DB5
DB7
REFERENCE I/P
DEMOD I/P
ANALOG GND
SIGNAL GND
SIN
AC ERROR O/P
COS
+VS
MSB DB1
DB2
DB4
DB6
DB8
DB9
DB11
DB10
DB12
13
30
1
2
40
39
5
6
7
36
35
34
3
4
38
37
833
932
10
31
11
12
29
28
14
27
15
26
16
25
17
24
18
23
19
22
20
21
TOP VIEW
(Not to Scale)
AD2S80A
C
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