SI8640BD-AS

The SI8640BD-AS is a high-performance, quad-channel digital isolator from Silicon Labs, designed for robust signal isolation in industrial, automotive, and medical applications.
### Key Features:
- Quad-channel isolation (4x unidirectional channels).
- High-speed data rates up to 150 Mbps.
- Wide supply voltage range (2.5V to 5.5V).
- Reinforced isolation (up to 5 kVrms) for safety compliance.
- Low power consumption and high noise immunity.
- AEC-Q100 qualified for automotive use.
### Applications:
- Isolated communication (SPI, I²C, UART).
- Motor drives, power inverters.
- Medical equipment, industrial automation.
### Package:
- 16-pin SOIC-WB (wide-body) for enhanced creepage/clearance.
The SI8640BD-AS ensures reliable signal integrity while protecting sensitive electronics from high-voltage transients.

Equivalent products to the SI8640BD-AS (Silicon Labs) include:
- ADuM1400 (Analog Devices)
- ISO7740 (Texas Instruments)
- MAX14930 (Maxim Integrated)
- NVE IL712 (NVE Corporation)
These are digital isolators with similar 4-channel, bidirectional functionality. Check datasheets for exact voltage, speed, and package compatibility.

The SI8640BD-AS is a digital isolator from Silicon Labs with the following key features:
- Quad-channel isolation (4 channels)
- High-speed data rate: Up to 150 Mbps
- Low propagation delay: <10 ns
- Wide supply voltage range: 2.5V to 5.5V
- High CMTI: >50 kV/µs (robust noise immunity)
- Low power consumption: 1.6 mA per channel (max)
- Reinforced isolation: 5 kVrms (UL1577, VDE, CSA certified)
- Default output options: High or Low (configurable)
- Wide temperature range: -40°C to +125°C
- Package: 16-pin SOIC (small footprint)
Ideal for industrial, medical, and automotive applications requiring reliable signal isolation.

The SI8640BD-AS is a 4-channel digital isolator from Silicon Labs.
- Pin Count: 16-pin (SOIC-16 wide body package).
- Function: Provides bidirectional isolation for digital signals with high noise immunity.
- 4 independent channels (configurable as 4x unidirectional or mixed direction).
- Supports up to 150 Mbps data rate.
- 3.75 kVrms isolation (UL-recognized).
- Wide supply voltage: 2.5V to 5.5V.
- Default output: Low (failsafe).
Common applications include industrial control, power supplies, and communication interfaces.

The SI8640BD-AS is manufactured by Silicon Labs (now part of Skyworks Solutions). Silicon Labs is a semiconductor company specializing in mixed-signal, analog, and wireless ICs for IoT, infrastructure, and industrial applications. The SI8640BD-AS is a digital isolator, providing high-speed, reinforced isolation for signal transmission in harsh environments.
In 2021, Silicon Labs' infrastructure and automotive business (including isolators) was acquired by Skyworks Solutions, a global semiconductor company focused on wireless connectivity and analog chips.
Key points:
- Manufacturer: Silicon Labs (now under Skyworks).
- Product type: Digital isolator (high-speed, reinforced isolation).
- Company focus: Mixed-signal and wireless ICs for IoT and industrial markets.

The SI8640BD-AS is a digital isolator from Silicon Labs, available in a 16-pin SOIC (Small Outline Integrated Circuit) package. This wide-body SOIC package (150 mil width) is surface-mountable and suitable for high-voltage isolation applications. It offers robust performance with reinforced isolation, making it ideal for industrial, automotive, and medical electronics.