模数转换器 - 隔离式 ADC - AMC1200 - TI

AMC1200
(ACTIVE) 用于并联测量的 4kV 峰值隔离放大器

AMC1200精密隔离放大器输出分离从输入电路由二氧化硅（SiO 2）屏障，具有高度的抗电磁干扰。这一障碍已被证明提供电隔离高达4000vpeak根据ul1577和2。用于隔离电源，该装置可以防止噪声电流在高共模电压线进入当地的地面和干扰或破坏敏感电路。

输入的amc1200优化直接连接分流电阻或其他低电压信号源。性能优良的设备支持精确的电流控制在系统级节能，尤其在电机控制的应用，降低转矩脉动

特性

±250-mv输入电压范围优化分流电阻

非常低的非线性：0.075%最大5五

低偏移误差：1.5毫伏最大

噪音低：3.1mvrms类型

高侧电流低：8毫安最大

5伏

输入带宽60千赫分钟

固定增益：8（0.5%的准确度）

高共模抑制比：108分贝

3.3-v操作侧

认证的电流隔离：ul1577和2批准

隔离电压：4000vpeak

工作电压：1200vpeak

瞬态免疫：10/μ的分钟

典型的10年的寿命，在额定工作电压（见应用报告slla197）

全面超过指定扩展工业温度范围

应用程序

分流电阻电流感应：电机控制

绿色能源

应用：在电机控制，伺服、变频器、太阳能光伏系统，UPS等应用中都能满足高精度的采样要求。

AMC1200SDUB - 芯片 隔离放大器 60KHZ 8SOP TEXAS INSTRUMENTS

芯片 隔离放大器 60KHZ 8SOP
放大器数目: 1
输入偏移电压: 0.2mV
隔离电压: 4kV
电源电压范围: 4.5V 到 5.5V
封装类型: SOIC
针脚数: 8
带宽: 100kHz
增益, 非线性 最大: 0.015%
电源电流: 5.4mA
工作温度敏: -40°C
工作温度最高: 125°C
SVHC(高度关注物质): No SVHC (19-Dec-2012)
器???标号: 1200
工作温度范围: -40°C 到 +125°C

说明
The AMC1200 is a precision isolation amplifier with an output separated from the input circuitry by a silicon dioxide (SiO2) barrier that is highly resistant to magnetic interference. This barrier has been certified to provide galvanic isolation of up to 4000 VPEAK according to UL1577 and IEC60747-5-2. Used in conjunction with isolated power supplies, this device prevents noise currents on a high common-mode voltage line from entering the local ground and interfering with or damaging sensitive circuitry.

The input of the AMC1200 is optimized for direct connection to shunt resistors or other low voltage level signal sources. The excellent performance of the device supports accurate current control resulting in system-level power saving and, especially in motor-control applications, lower torque ripple. The common-mode voltage of the output signal is automatically adjusted to either the 3-V or 5-V low-side supply.

The AMC1200 is fully specified over the extended industrial temperature range of –40 °C to +105 °C and is available in the SMD-type, gullwing-8 package.

特性
±250-mV Input Voltage Range Optimized for Shunt Resistors
Very Low Nonlinearity: 0.075% max at 5 V
Low Offset Error: 1.5 mV max
Low Noise: 3.1 mVRMS typ
Low High-Side Supply Current: 8 mA max at
5 V
Input Bandwidth: 60 kHz min
Fixed Gain: 8 (0.5% accuracy)
High Common-Mode Rejection Ratio: 108 dB
3.3-V Operation on Low-Side
Certified Galvanic Isolation:
UL1577 and IEC60747-5-2 Approved
Isolation Voltage: 4000 VPEAK
Working Voltage: 1200 VPEAK
Transient Immunity: 10 kV/μs min
Typical 10-Year Lifespan at Rated Working Voltage (see Application Report SLLA197)
Fully Specified Over the Extended Industrial Temperature Range

参数
AMC1200 AMC1200-Q1
# Input Channels 1 1
INL (+/-) (Max) (%) 0.05 0.05
Power Consumption (Typ) (mW) 82.5 82.5
Architecture Isolated Amplifier Isolated Amplifier
Analog Voltage AV/DD (Min) (V) 4.5 4.5
Analog Voltage AV/DD (Max) (V) 5.5 5.5
Digital Supply (Min) (V) 2.7 2.7
Digital Supply (Max) (V) 5.5 5.5
Operating Temperature Range (C) -40 to 125 -40 to 105
Pin/Package 8SOP 8SOP
Rating Catalog Automotive

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