Vr = V
參數(shù)資料
型號： AD2S1210ASTZ-RL7
廠商： Analog Devices Inc
文件頁數(shù)： 7/36頁
文件大?。?/td> 0K
描述： IC CONV R/D 10-16BIT OSC 48LQFP
標準包裝： 500
類型： R/D 轉(zhuǎn)換器
分辨率（位）： *
數(shù)據(jù)接口： 串行，并聯(lián)
電壓電源： 模擬和數(shù)字
電源電壓： 4.75 V ~ 5.25 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 48-LQFP
供應(yīng)商設(shè)備封裝： 48-LQFP（7x7）
包裝： 帶卷 (TR)
AD2S1210
Rev. A | Page 15 of 36
RESOLVER FORMAT SIGNALS
07
46
7-
0
23
Vr = Vp × sin(ωt)
Vb = Vs × sin(ωt) × sin(θ)
(A) CLASSICAL RESOLVER
S1
S3
Va = Vs × sin(ωt) × cos(θ)
S2
S4
R1
R2
θ
Vr = Vp × sin(ωt)
Vb = Vs × sin(ωt) × sin(θ)
(B) VARIABLE RELUCTANCE RESOLVER
S1
S3
Va = Vs × sin(ωt) × cos(θ)
S2
S4
R1
R2
θ
Figure 24. Classical Resolver vs. Variable Reluctance Resolver
A resolver is a rotating transformer, typically with a primary
winding on the rotor and two secondary windings on the stator.
In the case of a variable reluctance resolver, there are no wind-
ings on the rotor, as shown in Figure 24. The primary winding
is on the stator as well as the secondary windings, but the saliency
in the rotor design provides the sinusoidal variation in the
secondary coupling with the angular position. Either way, the
resolver output voltages (S3 S1, S2 S4) have the same
equations, as shown in Equation 1.
θ
ω
θ
ω
cos
sin
4
2
sin
1
3
×
=
×
=
t
E
S
t
E
S
0
(1)
where:
θ is the shaft angle.
Sinωt is the rotor excitation frequency.
E0 is the rotor excitation amplitude.
The stator windings are displaced mechanically by 90° (see
Figure 24). The primary winding is excited with an ac reference.
The amplitude of subsequent coupling onto the stator secondary
windings is a function of the position of the rotor (shaft) relative to
the stator. The resolver, therefore, produces two output voltages
(S3 S1, S2 S4) modulated by the sine and cosine of shaft
angle. Resolver format signals refer to the signals derived from
the output of a resolver, as shown in Equation 1. Figure 25
illustrates the output format.
07
46
7-
0
24
0°
S2 – S4
(cos)
S3 – S1
(sin)
R2 – R4
(REF)
90°
180°
θ
270°
360°
Figure 25. Electrical Resolver Representation
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AD2S1210BSTZ 功能描述:IC CONV R/D 10-16BIT 48-LQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)（DAS） 分辨率（位）:16 b 采樣率（每秒）:21.94k 數(shù)據(jù)接口:MICROWIRE?，QSPI?，串行，SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤
AD2S1210BSTZ-DASSAULT 制造商:Analog Devices 功能描述:
AD2S1210CSTZ 功能描述:IC CONV R/D VAR RES OSC 48-LQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)（DAS） 分辨率（位）:16 b 采樣率（每秒）:21.94k 數(shù)據(jù)接口:MICROWIRE?，QSPI?，串行，SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤
AD2S1210DSTZ 功能描述:IC CONV R/D VAR RES OSC 48LQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)（DAS） 分辨率（位）:16 b 采樣率（每秒）:21.94k 數(shù)據(jù)接口:MICROWIRE?，QSPI?，串行，SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤
AD2S1210DSTZ 制造商:Analog Devices 功能描述:IC, ADC, 16BIT, PARALLEL, SERIAL, LQFP-4
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