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参数资料
| 型号： | MAX125EVKIT |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/15页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT FOR MAX125 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| ADC 的数量： | 4 |
| 位数： | 14 |
| 采样率（每秒）： | 250k |
| 数据接口： | 并联 |
| 输入范围： | ±5 V |
| 在以下条件下的电源（标准）： | 165mW @ 250kSPS |
| 工作温度： | 0°C ~ 70°C |
| 已用 IC / 零件： | MAX125 |
| 已供物品： | 板，CD |
MAX125/MAX126
2x4-Channel, Simultaneous-Sampling
14-Bit DAS
______________________________________________________________________________________
13
Figure 10. Vector Motor Control
brought to the MAX125/MAX126 at CH4B. The addi-
tional channels can be used to evaluate slower analog
inputs, such as the main DC bus voltage (CH2B), tem-
perature sensors (CH3B), or other analog inputs (AUX,
CH1B).
Power-Supply Bypassing
and Ground Management
For optimum system performance, use printed circuit
boards with separate analog and digital ground
planes. Wire-wrapped boards are not recommended.
Connect the two ground planes together at the low-
impedance power-supply source. Connect DGND and
AGND together at the IC. For the best ground connec-
tion, connect the DGND and AGND pins together and
connect that point to the system analog ground plane
to avoid interference from other digital noise sources. If
DGND is connected to the system digital ground, digi-
tal noise may get through to the ADC’s analog portion.
The AGND pins must be connected directly to a low-
impedance ground plane. Extra impedance between
the pins and the ground plane increases crosstalk and
degrades INL.
Bypass AVDD and AVSS with 0.1F ceramic capacitors
to AGND. Mount them with short leads close to the
device. Ferrite beads may also be used to further iso-
late the analog and digital power supplies. Bypass
DVDD with a 0.1F ceramic capacitor to DGND.
MAIN DC
14 BIT ADC +
MICRO-
SEQUENCER
CH1
CH2
CH3
CH4
A
B
A
B
TEMP
A
B
A
B
AUX
MAIN DC
CURRENT/TORQUE
FEEDBACK
VOLTAGE/POSITION
FEEDBACK
VELOCITY
FEEDBACK
AC
MOTOR
SIMULTANEOUS
T/H
MAX125
MAX126
AC
MOTOR
R/E
RESOLVER/
ENCODER
C
DSP
14
BUFFER
POWER
STAGE
CONTROLLER
EXTERNAL
SETPOINTS
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1261ACEI | 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 |
| MAX1261ACEI+ | 功能描述:模数转换器 - ADC 12-Bit 8Ch 250ksps 3.6V 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 |
| MAX1261ACEI+T | 功能描述:模数转换器 - ADC 12-Bit 8Ch 250ksps 3.6V 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 |
| MAX1261ACEI-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 |
| MAX1261AEEI | 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 |
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