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參數(shù)資料
| 型號： | MAX126EVB16 |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 4/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | EVAL KIT FOR MAX126 |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| ADC 的數(shù)量： | 4 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 250k |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 輸入范圍： | ±2.5 V |
| 在以下條件下的電源（標(biāo)準(zhǔn)）： | 165mW @ 250kSPS |
| 工作溫度： | 0°C ~ 70°C |
| 已用 IC / 零件： | MAX126 |
| 已供物品： | 2 板，CD |
MAX125/MAX126
The circuit of Figure 10 shows a typical vector motor-
control application using all available inputs of the
MAX125/MAX126. CH1A and CH2A are connected
to two isolated Hall-effect current sensors and are a
part of the current (torque) feedback loop. The
MAX125/MAX126 digitize the currents and deliver raw
data to the following DSP and controller stages, where
the vector processing takes place. Sensorless vector
control uses a computer model for the motor and an
algorithm to split each output current into its magnetiz-
ing (stator current) and torque-producing (rotor current)
components.
If a 2- to 3-phase conversion is not practical, three cur-
rents can be sampled simultaneously with the addition
of a third sensor (not shown). Optional voltage
(position) feedback can be derived by measuring two
phase voltages (CH3A, CH4A). Typically, an isolated
differential amplifier is used between the motor and the
MAX125/MAX126. Again, the third phase voltage can
be derived from the magnitude (phase voltage) and its
relative phase.
For optimum speed control and good load regulation
close to zero speed, additional velocity and position
feedback are derived from an encoder or resolver and
2x4-Channel, Simultaneous-Sampling
14-Bit DAS
12
______________________________________________________________________________________
PRE
CLR
HC161
1/2 HC74
VCC
ENP
ENT
LOAD
A
B
C
D
(LSB) 0
1
2
3
RCO
D
Q
CLR
P0
P1
P2
P3
P4
P5
P6
P7
HC688
P = Q
Q0
Q1
Q2
VCC
Q3
Q4
Q5
Q6
Q7
G
LATCH
CLOCK
(TO 16373 LATCH)
0
CH1
0
1
CH2
0
CH3
1
CH4
1
10k
EXTERNAL
CLOCK
EXTERNAL
CLOCK
RD
INT
Figure 9. Output Demultiplexer Circuit
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX126EVKIT | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 MAX125/126 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| MAX1270ACAI | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1270ACAI+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 110ksps 4.18V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1270ACAI+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 110ksps 4.18V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1270ACAI-T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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