Graphs show how parameters like CTR, propagation delay, and supply current vary with temperature, input current, and other conditions. These are invaluable for designing robust circuits.
The A1458 series optocouplers are typically offered in two compact 8-pin packages:
Microcontroller (3.3V) A1458 Receiver (5V) ┌─────┐ ┌───┐ ┌─────┐ │ ├─── 220Ω ───┬───────┤1 4├──────┬───────────┤ │ │ │ │ │ │ │ │ │ │ │ ▼ │ │ ┼─ 10kΩ ────┤ │ │ │ GND │ │ │ (pull-up) └─────┘ │2 3├──────┘ └─────┘ └───┘ │ GND (isolated) a1458 optocoupler datasheet
Very low, often rated at approximately 35 ns to 45 ns , making it suitable for high-speed digital data rates up to 15 Mbps . Isolation Voltage ( Visocap V sub i s o end-sub
Searching for an "A1458 optocoupler datasheet" can sometimes lead to confusion, as the "A1458" marking appears on several different electronic components. A quick search might bring up a PNP transistor like the , which is used for general-purpose amplification and high-speed switching. However, for the vast majority of electronics engineers and hobbyists, the search for the "A1458 optocoupler datasheet" refers to a specific family of high-performance optocouplers manufactured by Avago Technologies (now a part of Broadcom). These are high-speed, logic-output optocouplers designed for robust electrical isolation in demanding digital systems. Graphs show how parameters like CTR, propagation delay,
As one engineering analysis notes, "HCPL-1458 is stronger, with higher CTR and shorter response time, suitable for switching power supply feedback, digital signal isolation, and other scenarios with certain speed requirements. HCNW1458 is a ‘low-key powerhouse’! High withstand voltage, fast response, and good temperature stability, especially suitable for industrial control in high-temperature environments".
Understanding the exact absolute maximum ratings and electrical characteristics guarantees long-term component reliability. Below is the summary of technical specifications derived from the Avago/Broadcom HCPL-1458 technical data sheets : Specification Value Context / Conditions 1 Mb/s (Typical) High-speed logic switching Isolation Voltage ( VISOcap V sub cap I cap S cap O end-sub ) 3750 to 5300 VRMScap V sub cap R cap M cap S end-sub Per UL1577 standards (1 minute duration) Common Mode Rejection (CMR) 15 kV/µs to 50 kV/µs At high common-mode voltages ( VCMcap V sub cap C cap M end-sub Supply Voltage Range ( VCCcap V sub cap C cap C end-sub ) 4.5V to 15V (Wide VCCcap V sub cap C cap C end-sub architecture) Flexible dual-rail operational setups Supply Current ( ICCcap I sub cap C cap C end-sub ) 1.2 mA (Maximum) Optimized for low-power digital designs Propagation Delay Max ( ) 8 ns to 300 ns Highly configuration-dependent Output Type Open Collector / Push-Pull Dependent on the exact suffix variant Operating Temperature Range -40°C to +100°C Industrial or automotive environments Internal Architecture & Mechanical Packages Isolation Voltage ( Visocap V sub i s
The HCPL-1458 from AVAGO/AGILENT manufacturer is a IC Chips with Hermetically Sealed, Low IF, Wide VCC, High Gain Optocouplers. Veswin Electronics HCPL-1458 | Original stock,Price - Ovaga Technologies
: Delivers impressive performance with typical propagation delays as low as and data rates reaching up to Exceptional Noise Immunity