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Product Detailed Parameters
- Mfr：Texas Instruments
- Description：IC DETECTION SWITCH 16VQFN
- Package：Tape & Reel (TR),Cut Tape (CT)
- Series：-
- Function：Detection Switch
- Applications：Consumer Audio
- Number of Channels：1
- Interface：I2C
- Voltage - Supply：2.5V ~ 4.5V
- Operating Temperature：-40°C ~ 85°C (TA)
- Specifications：-
- Mounting Type：Surface Mount
- Package / Case：16-VFQFN Exposed Pad
- Supplier Device Package：16-VQFN (3.5x3.5)
- Grade：-
- Qualification：-
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Overview
The TS3A227ERVAR is an autonomous audio accessory detection switch manufactured by Texas Instruments. It operates on a single supply voltage ranging from 2.5 V to 4.5 V and supports an operating temperature range of -40°C to +85°C. The device is housed in a 16-VQFN package with dimensions of 3.5x3.5 mm, designed for surface mount installation. It features I2C interface communication and contains one detection channel. This component is categorized under Audio Special Purpose integrated circuits.
Feature Summary
- Autonomous audio accessory detection functionality
- I2C interface for configuration and control
- Single-channel detection architecture
- Compact 16-VQFN (3.5x3.5 mm) exposed pad package
Applications
- Consumer audio devices requiring jack detection
- Mobile phones and tablets with audio ports
- Portable media players
Procurement Notes
Verify the specific ordering suffix 'RVAR' against the official Texas Instruments datasheet to confirm pinout, tape-and-reel specifications, and moisture sensitivity level. Ensure the 16-VQFN footprint matches the design layout. Confirm RoHS compliance status through the manufacturer's documentation before procurement.
Selection Notes
Select this component when an I2C-controlled autonomous audio jack detection solution is required within a 2.5 V to 4.5 V supply range. The 16-VQFN package is suitable for space-constrained consumer electronics. Compare power consumption and detection accuracy against other members of the TS3A227E family if alternative interfaces are acceptable.
Part Context
This part belongs to the Texas Instruments TS3A227E series of autonomous audio switches. These devices are designed to detect the presence and type of audio accessories connected to a device. The RVAR suffix typically indicates a specific packaging or reel variant within the standard product line.
Replacement Considerations
Direct replacements include other parts from the TS3A227E family, such as TS3A227EYFFR, provided the package and electrical parameters match. Verify compatibility with existing firmware due to potential differences in I2C addressing or register maps between variants.
