AMC1304M05 Datasheet | Texas Instruments

ures - 1 Pin-patible Family Optimized for Shunt Resistor-Based Current Measurements: - ±50-m V or ±250-m V Input Voltage Ranges - CMOS or LVDS Digital Interface Options - Excellent DC Performance Supporting High Precision Sensing on System Level: - Offset Error: ±50 µV or ±100 µV (max) - Offset Drift: 1.3 µV/°C (max) - Gain Error: ±0.2% or ±0.3% (max) - Gain Drift: ±40 ppm/°C (max) - Safety-Related Certifications: - 7000-VPK Reinforced Isolation per DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12 - 5000-VRMS Isolation for 1 Minute per UL1577 - CAN/CSA No. 5A-ponent Acceptance Service Notice, IEC 60950-1, and IEC 60065 End Equipment Standards - Transient Immunity: 15 k V/µs (min) - High Electromagnetic Field Immunity (see Application Note SLLA181A) - External 5-MHz to 20-MHz Clock Input for Easier System-Level Synchronization - On-Chip 18-V LDO Regulator - Fully Specified Over the Extended Industrial Temperature Range 2 Applications - Shunt-Resistor-Based Current Sensing In: - Industrial Motor Drives - Photovoltaic Inverters - Uninterruptible Power Supplies - Isolated Voltage Measurements 3 Description The AMC1304 is a precision, delta-sigma (ΔΣ) modulator with the output separated from the input circuitry by a capacitive double isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide reinforced isolation of up to 7000 VPEAK according to the DIN V VDE V 0884-10, UL1577 and CSA standards. Used in conjunction with isolated power supplies, the device prevents noise currents on a high mon-mode voltage line from entering the local system ground and interfering with or damaging low voltage circuitry. The input of the AMC1304 is optimized for direct connection to shunt resistors or other low voltagelevel signal sources. The unique low input voltage range of the ±50-m V device allows significant reduction of the power dissipation through the shunt while supporting excellent ac and dc performance. By using an appropriate digital filter...