Texas Instruments AMC1200B
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.| Part No. | AMC1200B |
|---|---|
| Datasheet | AMC1200B Download |
| Manufacturer |  Texas Instruments |
| Description | Fully-Differential Isolation Amplifier |
| Buy | Stock & Price |
FEATURES
●1 ±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 2
APPLICATIONS
● Shunt Resistor Based Current Sensing in: – Motor Control – Green Energy – Frequency Inverters – Uninterruptible Power Supplies 3DESCRIPTION
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.
