AMC1200 - 用于并联测量的 4kV 峰值隔离放大器

AMC1200是TI德州仪器公司的一款隔离式分流型产品，AMC1200是用于并联测量的 4kV 峰值隔离放大器，本站介绍了AMC1200的封装应用图解、特点和优点、功能等，并给出了与AMC1200相关的TI元器件型号供参考。

AMC1200 - 用于并联测量的 4kV 峰值隔离放大器 - 隔离式分流型 - 电流感应 - 德州仪器

产品特性

±250-mV Input Voltage Range Optimized for Shunt Resistors
Very Low Nonlinearity: 0.075% Maximum at 5 V
Low Offset Error: 1.5 mV Maximum
Low Noise: 3.1 mVRMS Typical
Low High-Side Supply Current: 8 mA Maximum at 5 V
Input Bandwidth: 60 kHz Minimum
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 VDE V 0884-10 Approved
- Isolation Voltage: 4250 VPEAK (AMC1200B)
- Working Voltage: 1200 VPEAK
- Transient Immunity: 10 kV/µs Minimum
Typical 10-Year Lifespan at Rated Working Voltage (see Application Report SLLA197)
Fully Specified Over the Extended Industrial Temperature Range

产品应用

Shunt Resistor Based Current Sensing in:
- Motor Control
- Green Energy
- Frequency Inverters
- Uninterruptible Power Supplies

产品说明

The AMC1200 and AMC1200B are precision isolation amplifiers 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 4250 VPEAK (AMC1200B) or 4000 VPEAK (AMC1200) according to UL1577 and VDE V 0884-10. Used in conjunction with isolated power supplies, these devices prevent 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 or AMC1200B 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 and AMC1200B are fully specified over the extended industrial temperature range of –40°C to 105°C and are available in a wide-body SOIC-8 package (DWV) and a gullwing-8 package (DUB).

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
AMC1200, AMC1200B	SOP (8)	9.50 mm × 6.57 mm
AMC1200, AMC1200B	SOIC (8)	5.85 mm × 7.50 mm

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