Broadcom ACPL-C799 Σ-Δ 调制器

Broadcom ACPL-C799 Σ-Δ 调制器可以利用基于光耦合技术的电流隔离,将模拟输入信号转换为高速数据流。 ACPL-C799 采用 5V 电源供电,动态范围为 77dB,带有适当的数字滤波器。 ±50mV(满量程 ±80mV)的差分输入非常适合用于直接连接电机相电流测量等应用中的分流电阻器或其他低电平信号源。

特性

  • 10MHz internal clock
  • 1-bit, second-order sigma-delta modulator
  • 16 bits resolution no missing codes
  • 77dB SNR (Typ.)
  • 1.3 μV/°C maximum offset drift
  • ±1% gain error
  • Internal reference voltage
  • ±50mV linear range with single 5V supply (±80mV full-scale)
  • Safety and regulatory approval: IEC/EN/DIN EN 60747-5-5: 1414 VPEAK working insulation voltage; UL 1577: 5000 VRMS/1 min isolation voltage; CSA: Component Acceptance Notice #5
  • 3V to 5.5V wide supply range for digital interface
  • -40°C to +105°C operating temperature range
  • SSO-8 package
  • 25kV/μs common-mode transient immunity

应用

  • Motor phase and rail current sensing
  • Power inverter current sensing
  • Industrial process control
  • Data acquisition systems
  • General-purpose current sensing
  • Traditional current transducer replacements

Functional Block Diagram

框图 - Broadcom ACPL-C799 Σ-Δ 调制器
发布日期: 2016-12-12 | 更新日期: 2024-09-19