Transmission/Distribution Protective Relaying
(Power Line Monitoring)
⚡ Application Overview:
Zonky Semiconductor provides complete signal chain solutions for power line monitoring systems, covering precision amplification, data conversion, voltage reference, and other core functions. Our products are widely used in transmission line fault detection, distribution automation, smart grid protection devices, meeting IEC 61850 and other power industry standards for high precision and reliability.
🔹 Signal Conditioning
ZKA1771/2/4, ZKA27HP precision op-amps for PT/CT secondary signal amplification. ZKA77 instrumentation amplifier provides high CMRR, ensuring accurate fault signal acquisition.
🔹 Data Acquisition
ZKAD7606/7626 simultaneous sampling ADCs support 16/18-bit resolution with 8-channel simultaneous sampling, meeting the synchronous measurement requirements for multi-phase voltage and current in protective relays.
🔹 Voltage Reference
ZKR50XX (3ppm/°C) and ZKR4102 (5ppm/°C) provide highly stable voltage references, ensuring ADC measurement accuracy over wide temperature ranges.
| Product Model | Description |
|---|---|
| ZKA1771/2/4 | 36V, Precision, Low Bias Current, Operational Amplifiers |
| ZKA27HP | New Generation High Precision Operational Amplifiers |
| ZKA77 | Low Noise, Precision, Low Power Instrumentation Amplifiers |
| ZKAD7606 | 16-Bit with 8-Channel DAS, Bipolar Inputs, Simultaneous-Sampling ADC |
| ZKAD7626 | 18-Bit with 8-Channel DAS, Bipolar Inputs, Simultaneous-Sampling ADC |
| ZKR50XX | 3 ppm/°C max Low Noise, Low Power, 40 V Precise Voltage Reference |
| ZKR4102 | 5 ppm/°C Low Noise, Low Power, 2.5V/3V Precise Voltage Reference |