Voltage Sensor Broadcom ACPL-C87H-500E Designed for Isolated Signal Acquisition and Power Conversion
ACPL-C87H Precision Optically Isolated Voltage Sensor
Product Overview
The ACPL-C87H is an advanced optically isolated voltage sensor designed for high-precision voltage sensing in demanding electronic power converter applications. Leveraging Sigma-Delta (-) modulation technology, it offers a high gain accuracy of 3% with a unity gain (1 V/V) and an exceptional 1 G input impedance. This sensor is ideal for isolated voltage sensing in AC and servo motor drives, DC-bus voltage sensing in solar and wind turbine inverters, isolated sensor interfaces, and general-purpose signal isolation in data acquisition systems. Its compact, auto-insertable SO-8 package, coupled with robust common-mode transient immunity (15 kV/s), ensures reliable performance in noisy environments. The device features a 0 to 2 V nominal input range, low gain drift of -35 ppm/C, and low offset voltage drift of 21 V/C, making it suitable for power-sensitive applications with its active-high shutdown pin that reduces current to 15 A.
Product Attributes
- Brand: Avago Technologies
- Package: Compact, Auto-Insertable Stretched SO-8 (SSO-8)
- Compliance: RoHS 6 fully compliant options available
- Safety Approvals (Pending): IEC/EN/DIN EN 60747-5-5, UL 1577, CSA
Technical Specifications
| Parameter | Symbol | Value | Unit | Conditions/Notes |
|---|---|---|---|---|
| Features | - | Advanced Sigma-Delta (-) Modulation Technology | - | - |
| - | - | Unity Gain 1 V/V, 3% High Gain Accuracy | - | - |
| - | - | 1 G Input Impedance | - | - |
| - | - | 0 to 2 V Nominal Input Range | - | - |
| - | - | -35 ppm/C Low Gain Drift | - | - |
| - | - | 21 V /C Offset Voltage Drift | - | - |
| - | - | 0.1% Non-Linearity Max | - | - |
| - | - | Active-High Shutdown Pin | - | - |
| - | - | 100 kHz Wide Bandwidth | - | - |
| Supply Voltage (Output Side) | VDD2 | 3 to 5.5 | V | - |
| Operating Temperature Range | TA | -40 to +105 | C | - |
| Common-Mode Transient Immunity | CMTI | 15 | kV/s | - |
| IEC/EN/DIN EN 60747-5-5 Working Insulation Voltage | VIORM | 1230 | Vpeak | (Pending) |
| UL 1577 Double Protection Rating | VISO | 5000 | Vrms/1 min | (Pending) |
| Input Offset Voltage | VOS | -9.9 to 9.9 | mV | TA = 25 C |
| Gain | G | 0.97 to 1.03 | V/V | TA = 25 C |
| Non-Linearity | NL | 0.05 to 0.1 | % | VIN = 0 to 2 V, TA = 25 C |
| Full-Scale Differential Voltage Input Range | FSR | 2.46 | V | Referenced to GND1 |
| Input to Output Propagation Delay | tPD10 | 2.2 to 3.0 | s | 50%-10% Step input |
| - | tPD50 | 3.7 to 5.5 | s | 50%-50% Step input |
| - | tPD90 | 5.3 to 6.5 | s | 50%-90% Step input |
| Output Rise/Fall Time (10%-90%) | tR/F | 2.7 to 4.0 | s | Step input |
| Input Side Supply Current (Shutdown Enabled) | IDD1 | 15 | A | VSD = 5 V |
| Input-Output Momentary Withstand Voltage | VISO | 5000 | Vrms | RH < 50%, t = 1 min., TA = 25 C |
| Input-Output Resistance | RI-O | > 1012 | VI-O = 500 VDC | |
| Input-Output Capacitance | CI-O | 0.5 | pF | f = 1 MHz |
2410121740_Broadcom-ACPL-C87H-500E_C364868.pdf
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