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| 型號(hào)： | AD2S1200WSTZ |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 23/24頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC R/D CONV W/REF OSCIL 44-LQFP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | R/D 轉(zhuǎn)換器 |
| 分辨率（位）： | 12 b |
| 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： | 5V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 44-LQFP |
| 供應(yīng)商設(shè)備封裝： | 44-LQFP（7x7） |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁(yè)面： | 790 (CN2011-ZH PDF) |
| 配用： | EVAL-AD2S1200CBZ-ND - BOARD EVAL FOR AD2S1200 |
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AD2S1200
Rev. 0 | Page 8 of 24
RESOLVER FORMAT SIGNALS
04406-0-003
Vr = Vp × Sin(t)
Vb = Vs × Sin(t) × Sin(θ)
(A) CLASSICAL RESOLVER
S1
S3
Va = Vs × Sin(t) × Cos(θ)
S2
S4
R1
R2
θ
Vr = Vp × Sin(t)
Vb = Vs × Sin(t) × Sin(θ)
(B) VARIABLE RELUCTANCE RESOLVER
S1
S3
Va = Vs × Sin(t) × Cos(θ)
S2
S4
R1
R2
θ
Figure 3. 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 3. 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) will have the same
equations as shown in Equation 1.
Amplitude
Excitation
Rotor
E
Frequency
Excitation
Rotor
t
Sin
Angle
Shaft
Cos
t
Sin
E
S
Sin
t
Sin
E
S
=
×
=
×
=
0
4
2
1
3
ω
θ
ω
θ
ω
Equation 1.
The stator windings are displaced mechanically by 90° (see
Figure 3). The primary winding is excited with an ac reference.
The amplitude of subsequent coupling onto the stator secon-
dary 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 4 illustrates the output format.
04406-0-004
0°
S2 TO S4
(Cos)
S3 TO S1
(Sin)
R2 TO R4
(REF)
90°
180°
θ
270°
360°
Figure 4. Electrical Resolver Representation
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD2S1200WSTZSTZ | 制造商:Analog Devices 功能描述:ANAAD2S1200WSTZ |
| AD2S1200YST | 制造商:Analog Devices 功能描述:Resolver to Digital 12-Bit Parallel/Serial (3-Wire, SPI) 制造商:Rochester Electronics LLC 功能描述:12-BIT R/D CONVERTER W/REF OSCILLATOR - Bulk 制造商:Analog Devices 功能描述:IC 12BIT ADC REF OSC SMD 2S1200 |
| AD2S1200YSTZ | 功能描述:IC CONV R/D 12-BIT W/OSC 44-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:Data Converter Basics 標(biāo)準(zhǔn)包裝:1 系列:- 類型:電機(jī)控制 分辨率（位）:12 b 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，并聯(lián) 電壓電源:單電源 電源電壓:2.7 V ~ 3.6 V，4.5 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:100-TQFP 供應(yīng)商設(shè)備封裝:100-TQFP（14x14） 包裝:剪切帶 (CT) 其它名稱:296-18373-1 |
| AD2S1200YSTZ | 制造商:Analog Devices 功能描述:IC 12BIT ADC REF OSC SMD 2S1200 |
| AD2S1200YSTZSTZ | 制造商:Analog Devices 功能描述:ANAAD2S1200YSTZ |
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