Overview
The SI8902B-A01-GSR is a high-performance, isolated analog-to-digital converter (ADC) manufactured by Skyworks Solutions Inc. This component is part of the SI8902 series and is designed for applications requiring robust and reliable data acquisition in noisy and high-voltage environments. The SI8902B-A01-GSR features a 10-bit successive approximation register (SAR) ADC architecture, providing accurate and efficient conversion of analog signals to digital data.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Skyworks Solutions Inc. |
| Part Number | SI8902B-A01-GSR |
| Category | Analog to Digital Converters (ADC) |
| Package / Case | SOIC-16 |
| Number of Channels | 3 Channel |
| Input Type | Single-Ended |
| Resolution | 10 bit |
| Interface Type | 4-Wire, SPI |
| Architecture | SAR |
| Analog Supply Voltage | 2.7 V to 3.6 V |
| Digital Supply Voltage | 2.7 V to 5.5 V |
| Operating Temperature | -40°C to +85°C |
| DNL - Differential Nonlinearity | 1 LSB |
| Gain Error | 2 LSB |
| INL - Integral Nonlinearity | 1 LSB |
| Operating Supply Current | 10 mA, 4.4 mA |
| Reference Type | External, Internal |
| Reference Voltage | 0 V to 3.6 V |
| Transient Immunity | 45 kV/s (typ) |
| Safety Certifications | UL 1577 recognized, CSA, VDE, IEC 60950, 62368, 60601 |
Key Features
- Isolated Data Acquisition: The SI8902B-A01-GSR provides galvanic isolation, making it suitable for applications requiring isolation between the analog and digital domains.
- 10-bit SAR ADC: Offers high resolution and accuracy with a successive approximation register architecture.
- Multiple Interface Options: Supports 4-wire SPI interface for flexible communication.
- Robust Transient Immunity: Features a typical common-mode transient immunity of 45 kV/s, ensuring robust performance in noisy environments.
- Safety Certifications: Compliant with various safety standards including UL 1577, CSA, VDE, and IEC 60950, 62368, 60601.
- Low Power Consumption: Operates with supply currents of 10 mA and 4.4 mA, making it energy-efficient.
- Wide Operating Temperature Range: Functional from -40°C to +85°C, suitable for a variety of environmental conditions.
Applications
- Isolated Data Acquisition: Ideal for applications requiring isolation between the analog and digital domains, such as in industrial control systems and medical devices.
- Isolated Temperature and Humidity Sensing: Suitable for monitoring environmental conditions in isolated systems.
- AC Mains Monitoring: Used in power delivery systems to monitor AC mains voltage and current.
- Switch Mode Power Systems: Applied in switch mode power supplies for efficient and reliable operation.
- Solar Inverters: Utilized in solar power systems to monitor and control the inverter's performance.
- Telemetry: Employed in telemetry systems for remote monitoring and data transmission.
Q & A
- What is the resolution of the SI8902B-A01-GSR ADC?
The SI8902B-A01-GSR has a 10-bit resolution.
- What is the interface type of the SI8902B-A01-GSR?
The SI8902B-A01-GSR supports a 4-wire SPI interface.
- What is the operating temperature range of the SI8902B-A01-GSR?
The SI8902B-A01-GSR operates from -40°C to +85°C.
- Is the SI8902B-A01-GSR RoHS compliant?
Yes, the SI8902B-A01-GSR is RoHS compliant.
- What are the safety certifications for the SI8902B-A01-GSR?
The SI8902B-A01-GSR is certified by UL 1577, CSA, VDE, and complies with IEC 60950, 62368, 60601 standards.
- How many input channels does the SI8902B-A01-GSR have?
The SI8902B-A01-GSR has 3 input channels.
- What is the typical transient immunity of the SI8902B-A01-GSR?
The SI8902B-A01-GSR has a typical common-mode transient immunity of 45 kV/s.
- What is the package type of the SI8902B-A01-GSR?
The SI8902B-A01-GSR is packaged in a 16-pin SOIC.
- What are the supply voltage ranges for the SI8902B-A01-GSR?
The analog supply voltage range is 2.7 V to 3.6 V, and the digital supply voltage range is 2.7 V to 5.5 V.
- What are some typical applications of the SI8902B-A01-GSR?
The SI8902B-A01-GSR is used in isolated data acquisition, temperature and humidity sensing, AC mains monitoring, switch mode power systems, solar inverters, and telemetry.
