Industrial digital isolation using Broadcom ACPL-K73L-500E dual channel CMOS optocoupler with consumption
Product Overview
The ACPL-W70L (single-channel) and ACPL-K73L (dual-channel) are high-speed 15 MBd CMOS optocouplers designed for reliable digital isolation in various industrial applications. Leveraging advanced CMOS IC technology, these optocouplers offer low power consumption, high speed, and a unique Glitch-Free Power-Up Feature. They are ideal for applications such as digital field bus isolation (CANBus, RS485, USB), multiplexed data transmission, computer peripheral interfaces, microprocessor system interfaces, and DC/DC converters. The optocouplers are built with high-speed LEDs and CMOS detector ICs, each featuring an integrated photodiode, transimpedance amplifier, and voltage comparator with an output driver, ensuring robust and accurate signal transmission.
Product Attributes
- Brand: Avago Technologies
- Compliance: Lead (Pb) Free, RoHS 6 fully compliant
- Certifications: UL recognized (5000 V rms for 1 min. per UL 1577), CSA component acceptance Notice #5, IEC/EN/DIN EN 60747-5-2 approved (Option 060)
Technical Specifications
| Model | Package | Channels | Speed | Pulse Width Distortion (Max) | Propagation Delay (Max) | Propagation Delay Skew (Max) | Common Mode Rejection (Min) | Temperature Range | Input Voltage (VDD) | Safety Rating |
|---|---|---|---|---|---|---|---|---|---|---|
| ACPL-W70L | SSOIC-6 | Single | 15 MBd min | 25 ns | 55 ns | 40 ns | 10 kV/s | 40 to 105C | 3.0V - 3.6V / 4.5V - 5.5V | 5000 V rms for 1 min. |
| ACPL-K73L | SSOIC-8 | Dual | 15 MBd min | 25 ns | 55 ns | 40 ns | 10 kV/s | 40 to 105C | 3.0V - 3.6V / 4.5V - 5.5V | 5000 V rms for 1 min. |
| Key Features: +3.3V and 5 V CMOS compatibility, Glitch-Free Power-UP Feature | ||||||||||
| Ordering Information Example: ACPL-W70L-500E (RoHS Compliant, Tape & Reel) | ||||||||||
| Package Dimensions: ACPL-W70L (Stretched SO-6), ACPL-K73L (Stretched S0-8) | ||||||||||
| Absolute Maximum Ratings: Storage Temp: 55 to +125C; Ambient Operating Temp: 40 to +105C; Supply Voltages (VDD): 0 to 6V | ||||||||||
| Recommended Operating Conditions: Ambient Operating Temp: 40 to +105C; Supply Voltages (VDD): 3.0-3.6V or 4.5-5.5V | ||||||||||
| Electrical Specifications (Typical at TA=+25C, VDD=+3.3V): Input Forward Voltage (VF): 1.2-1.85V; Logic High Output Voltage (VOH): VDD-1V to VDD-0.2V; Logic Low Output Voltage (VOL): 0.2-0.8V; Input Threshold Current (ITH): 1-3mA | ||||||||||
| Switching Specifications (Typical at TA=+25C, VDD=+3.3V): Propagation Delay Time to Logic Low Output (tPHL): 23-55ns; Propagation Delay Time to Logic High Output (tPLH): 27-55ns; Output Rise Time (tR): 3.5ns; Output Fall Time (tF): 3.5ns | ||||||||||
| Package Characteristics: Input-Output Insulation Resistance (RI-O): >10^12 W; Input-Output Capacitance (CI-O): 0.6pF (typ) | ||||||||||
| Application Notes: Requires 0.1F bypass capacitor; recommended input limiting resistor values vary with supply voltage (e.g., 530 for 5V, 250 for 3.3V). Speed improvement possible with a peaking capacitor. High-CMR drive circuit recommendations provided. | ||||||||||
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