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ACPL-C87H-500E
DIP-8 (8.6x7.6mm)
The ACPL-C87H-500E from Broadcom is a 16-bit optically isolated sigma-delta modulator with 10MHz clock and 5000Vrms reinforced isolation in DIP-8 for isolated voltage/current sensing.
| الحزمة | DIP-8 (8.6×7.6mm) |
The ACPL-C87H-500E from Broadcom is a 16-bit optically isolated sigma-delta modulator with 10MHz clock and 5000Vrms reinforced isolation in DIP-8 for isolated voltage/current sensing.
The ACPL-C87H-500E is an optically isolated sigma-delta modulator from Broadcom in DIP-8 with 16-bit resolution and 5000Vrms isolation. The input stage consists of a second-order sigma-delta modulator that continuously samples the differential input voltage (VIN+ – VIN-) and produces a 1-bit serial data stream. The modulator uses oversampling: at 10-20MHz external clock (MCLK), the effective sampling rate is 10-20MSPS. The 1-bit data output (DATA pin) has a density of ones proportional to the input voltage: 50% density at zero input, 90% at positive full-scale, 10% at negative full-scale. The optical isolation barrier transfers the digital bitstream from input to output using an LED and photodetector, providing galvanic isolation for high-voltage sensing in motor drives, inverters, and power converters. The host MCU or FPGA applies a sinc3 digital filter to the bitstream, achieving 16-bit effective resolution at lower output data rates (e.g., 82kSPS with sinc3 OSR=256). The -H suffix specifies tighter gain error and offset specifications.
| دبوس | الاسم | النوع | الوظيفة |
|---|---|---|---|
| 1 | VIN+ | المدخلات | Positive analog input |
| 2 | VIN- | المدخلات | Negative analog input (differential) |
| 3 | GND1 | الطاقة | Input side ground |
| 4 | VDD1 | الطاقة | Input side supply (4.5-5.5V) |
| 5 | VDD2 | الطاقة | Output side supply (4.5-5.5V) |
| 6 | GND2 | الطاقة | Output side ground |
| 7 | MCLK | المدخلات | External clock input (10-20MHz) |
| 8 | DATA | المخرجات | Sigma-delta data output |
| الشركة المصنعة | رقم الجزء | الحزمة | الملاحظات |
|---|---|---|---|
| برودكوم | ACPL-C87A-500E | DIP-8 | Same family, 12-bit resolution |
| تكساس إنسترومنتس | AMC1305L25DWV | SOIC-8 | Isolated modulator, 16-bit, 25MHz |
| الأجهزة التناظرية | AD7403BRIZ | SOIC-16 | Isolated modulator, 16-bit, 20MHz |
| برودكوم | ACPL-C87B-500E | DIP-8 | Same family, higher performance grade |
| TI | AMC1305M25DWVR | SOIC-8 | Isolated modulator, 25MHz, AEC-Q100 |
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
العلامة التجارية:
الحزمة:
دورة الشحن 3 ~ 7 أيام
الحد الأدنى للطلب هو 1
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