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参数资料
| 型号： | MAX125CCAX+D |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/15页 |
| 文件大小： | 0K |
| 描述： | IC DAS 14BIT 2X4CH 36-SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 30 |
| 类型： | 数据采集系统（DAS） |
| 分辨率（位）： | 14 b |
| 数据接口： | 并联 |
| 电压电源： | 模拟和数字，双 ± |
| 电源电压： | ±4.75 V ~ 5.25 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-BSOP（0.295"，7.50mm 宽） |
| 供应商设备封装： | 36-SSOP |
| 包装： | 管件 |
| 产品目录页面： | 1393 (CN2011-ZH PDF) |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX125CCAX-T | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX125CEAX | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX125CEAX+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube 制造商:Maxim Integrated Products 功能描述:14BIT DAS 4CH PARALLEL 36SSOP |
| MAX125CEAX+D | 功能描述:模数转换器 - ADC 14-Bit 8Ch 250ksps 2.75V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX125CEAX+GB7 | 制造商:Maxim Integrated Products 功能描述:2X4-CHANNEL, SIMULTANEOUS-SAMPLING, 14-BIT DAS - Rail/Tube |
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