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Product Detailed Parameters
- Description：IC AMP AB MONO 1W 18FLIPCHIP
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR)
- Type：Class AB
- Output Type：1-Channel (Mono) with Mono and Stereo Headphones
- Max Output Power x Channels @ Load：1W x 1 @ 8Ohm; 43mW x 2 @ 32Ohm
- Voltage - Supply：2.7V ~ 5.5V
- Features：Depop, Differential Inputs, I2C, Shutdown, Standby, Thermal Protection, Volume Control
- Mounting Type：Surface Mount
- Supplier Device Package：18-FlipChip
- Package / Case：18-UFBGA, FCBGA
- Operating Temperature：-40°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The TS4956EIJT is a Class AB audio amplifier designed for complete audio systems. It integrates three dedicated outputs: one stereo headphone amplifier, one loudspeaker driver, and one mono line output for hands-free sets. The device delivers over 25 mW per channel of continuous average power into 16-ohm single-ended loads with 0.3% THD+N from a 5 V supply. It operates on a voltage input range of 2.7 to 5.5 V. Control functions are managed via an I2C bus interface, minimizing external components.
Feature Summary
- Digital gain control and output mode selection via I2C bus interface
- Integrated thermal shutdown protection
- Turn-on/turn-off depop functionality
- Supports standby and enable modes
Applications
- MP3 players
- Cell phones
- Portable devices
- Computers
Procurement Notes
Verify the specific suffix 'EIJT' against official STMicroelectronics documentation to confirm package type and temperature range. Ensure compatibility with I2C control requirements. Check for any design obsolescence notices or alternative recommendations from the manufacturer before finalizing procurement plans.
Selection Notes
Select this component for applications requiring integrated multi-output audio amplification controlled digitally. It is suitable for portable electronics where low component count and digital control are priorities. Verify that the system architecture supports I2C communication for gain and mode configuration.
Part Context
The TS4956 series belongs to STMicroelectronics' audio amplifier portfolio, targeting portable consumer electronics. It combines power amplification with digital control capabilities, reducing the need for additional discrete control circuits. The device is part of a family offering various output configurations for different audio system needs.
FAQ
How is the amplifier's gain controlled?
The overall gain is controlled digitally through control registers programmed via the I2C interface.
What protection features are included?
The device includes internal thermal shutdown protection to prevent damage during excessive power dissipation.
