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參數(shù)資料
| 型號(hào)： | AD2S1210DSTZ |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 7/36頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC CONV R/D VAR RES OSC 48LQFP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類(lèi)型： | R/D 轉(zhuǎn)換器 |
| 分辨率（位）： | 10，12，14，16 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： | 4.75 V ~ 5.25 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類(lèi)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： | 托盤(pán) |
| 產(chǎn)品目錄頁(yè)面： | 790 (CN2011-ZH PDF) |
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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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD2S1210DSTZ | 制造商:Analog Devices 功能描述:IC, ADC, 16BIT, PARALLEL, SERIAL, LQFP-4 |
| AD2S1210SST-EP-RL7 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC IC 10-16 Bit R/D Cnvtr w/Ref Oscilltr RoHS:否 制造商:Analog Devices 通道數(shù)量: 結(jié)構(gòu): 轉(zhuǎn)換速率: 分辨率: 輸入類(lèi)型: 信噪比: 接口類(lèi)型: 工作電源電壓: 最大工作溫度: 安裝風(fēng)格: 封裝 / 箱體: |
| AD2S1210SSTZ-EPRL7 | 功能描述:IC CONV R/D VAR REF OSC 48LQFP 制造商:analog devices inc. 系列:* 零件狀態(tài):在售 標(biāo)準(zhǔn)包裝:500 |
| AD2S1210WDSTZ | 制造商:Analog Devices 功能描述: |
| AD2S1210WDSTZRL7 | 功能描述:IC CONV R/D VAR REF OSC 48LQFP RoHS:是 類(lèi)別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專(zhuān)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(lèi)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(lèi)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(chēng):296-18373-1 |
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