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Product Detailed Parameters
- Description：IC AMP CLASS AB MONO 1W 8SO
- Series：-
- Mfr：STMicroelectronics
- Package：Tube
- Type：Class AB
- Output Type：1-Channel (Mono)
- Max Output Power x Channels @ Load：1W x 1 @ 8Ohm
- Voltage - Supply：2.5V ~ 5.5V
- Features：Depop, Standby, Thermal Protection
- Mounting Type：Surface Mount
- Supplier Device Package：8-SOIC
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Operating Temperature：-40°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The TS4871ID is a monolithic audio power amplifier in MiniSO8 package. It delivers 1 W continuous RMS output power into an 8 Ω load at VCC = 5 V with THD of 1%. The device operates from a supply voltage range of 2.5 V to 5.5 V and features ultra-low standby current consumption below 10 nA. It includes internal thermal shutdown protection, unity-gain stability, and low distortion characteristics.
Feature Summary
- Rail-to-rail output capability for maximum power efficiency
- Ultra-low standby mode reduces supply current significantly
- Internal thermal shutdown protects against overheating
- Unity-gain stable configuration minimizes external components
Applications
- Mobile phones (cellular / cordless)
- Laptop / notebook computers
- PDAs
- Portable audio devices
Procurement Notes
Verify the specific ordering suffix 'ID' against official STMicroelectronics documentation to confirm pinout and package variations. Ensure compatibility with the MiniSO8 footprint during PCB layout. Confirm RoHS compliance status through the manufacturer's datasheet before finalizing procurement specifications.
Selection Notes
Select this component for applications requiring high output power from a single channel within a compact form factor. Consider the BTL configuration for doubled voltage swing across the load. Evaluate the thermal resistance requirements based on ambient temperature and power dissipation curves provided in the datasheet.
Part Context
This part belongs to the TS4871 family of audio amplifiers designed for portable electronics. It serves as a bridge-tied load (BTL) solution, offering higher output power compared to single-ended configurations. The design focuses on minimizing external component count while maintaining high audio quality standards.
Replacement Considerations
Check for direct substitutes within the same product family or similar performance classes. Verify pin compatibility and electrical parameters such as supply voltage range and output power capabilities before implementing any alternative components.
