參數(shù)資料
型號(hào)： AD2S80ATE
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 8/20頁(yè)
文件大?。?/td> 0K
描述： IC R/D CONV TRACKING 44-LCCC
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： 表面貼裝
封裝/外殼： 44-CLCC
供應(yīng)商設(shè)備封裝： 44-CLCC
包裝： 管件
AD2S80A
REV. B
–16–
APPLICATIONS
Control Transformer
The ratio multiplier of the AD2S80A can be used independently
of the loop integrators as a control transformer. In this mode the
resolver inputs
θ are multiplied by a digital angle φ any differ-
ence between
φ and θ will be represented by the AC ERROR
output as SIN
ωt sin (θ–φ) or the DEMOD output as sin (θ–φ).
To use the AD2S80A in this mode refer to the “Control Trans-
former” application note.
Dynamic Switching
In applications where the user requires wide band response from
the converter, for example 100 rpm to 6000 rpm, superior per-
formance is achieved if the converters control characteristics are
switched dynamically. This reduces velocity offset levels at low
tracking rates. For more information on the technique refer to
“Dynamic Resolution Switching Using the Variable Resolution
Monolithic Resolver-to-Digital Converters.”
OTHER PRODUCTS
The AD2S82A is a monolithic, variable resolution 10-, 12-, 14-
and 16-bit resolver-to-digital converter in a 44-terminal J-leaded
PLCC package. In addition to the AD2S80A functions it has a
VCO OUTPUT which is a measure of position within a LSB,
and a COMPLEMENT Data Output.
The AD2S81A is a low cost, monolithic, 12-bit resolver-to-
digital converter in a 28-lead ceramic DIP package.
PRINTED
IN
U.S.A.
C00008–2.5–9/00
(rev.
B)
ORDERING GUIDE
Operating
Temperature
Package
Model
Range
Accuracy
Description
Option
AD2S80AJD
0
°C to 70°C
8 arc min
Side Brazed Ceramic DIP
D-40
AD2S80AKD
0
°C to 70°C
4 arc min
Side Brazed Ceramic DIP
D-40
AD2S80ALD
0
°C to 70°C
2 arc min
Side Brazed Ceramic DIP
D-40
AD2S80AAD
–40
°C to +85°C
8 arc min
Side Brazed Ceramic DIP
D-40
AD2S80ABD
–40
°C to +85°C
4 arc min
Side Brazed Ceramic DIP
D-40
AD2S80ASD
–55
°C to +125°C
8 arc min
Side Brazed Ceramic DIP
D-40
AD2S80ATD
–55
°C to +125°C
4 arc min
Side Brazed Ceramic DIP
D-40
AD2S80AUD
–55
°C to +125°C
2 arc min
Side Brazed Ceramic DIP
D-40
AD2S80ASE
–55
°C to +125°C
8 arc min
Leadless Ceramic Chip Carrier
E-44A
AD2S80ATE
–55
°C to +125°C
4 arc min
Leadless Ceramic Chip Carrier
E-44A
AD2S80AUE
–55
°C to +125°C
2 arc min
Leadless Ceramic Chip Carrier
E-44A
AD2S80ASD/883B
–55
°C to +125°C
8 arc min
Side Brazed Ceramic DIP
D-40
AD2S80ATD/883B
–55
°C to +125°C
4 arc min
Side Brazed Ceramic DIP
D-40
AD2S80ASE/883B
–55
°C to +125°C
8 arc min
Leadless Ceramic Chip Carrier
E-44A
AD2S80ATE/883B
–55
°C to +125°C
4 arc min
Leadless Ceramic Chip Carrier
E-44A
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
40-Lead Ceramic DIP (D) Package
0.060 (1.52)
0.02 (0.51)
0.125 (3.22)
0.150
(3.81)
MIN
2.02 (51.31)
1.98 (50.29)
0.100 (2.54) TYP
0.61 (15.49)
0.58 (14.73)
0.09 (2.29)
0.07 (1.77)
0.59 (14.99)
TYP
0.012 (0.31)
0.009 (0.23)
0.01 (0.25) TYP
LEAD NO. 1 IDENTIFIED BY DOT OR NOTCH. LEADS ARE GOLD PLATED
(50 MICROINCHES MIN) KOVAR OR ALLOY 42.
44-Terminal LCC (E) Package
1
44
6
7
18
17
39
40
BOTTOM VIEW
29
28
0.055 (1.40)
0.045 (1.14)
0.662 (16.82)2
0.640 (16.27)
SQ
0.028 (0.71)
0.022 (0.56)
0.020 (0.51)
REF
45°
0.040 (1.02)
REF
45°
3 PLACES
0.050
(1.27)
BSC
0.075 (1.91) REF
0.100 (2.54)1
0.064 (1.63)
NOTES
1THIS DIMENSION CONTROLS THE OVERALL PACKAGE
THICKNESS.
2APPLIES TO ALL FOUR SIDES.
ALL TERMINALS ARE GOLD PLATED.
C
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