| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
2,952 pcs
|
2952 pcs | On Request | 1 | On Request | On Request | 14+ | On Request | On Request | |
|
2,791 pcs
|
2791 pcs | On Request | 1 | On Request | On Request | 1506+ | On Request | On Request | |
|
1,056 pcs
|
1056 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| AEC Qualified | |
| Applications | |
| Automotive Grade | |
| Bandwidth | |
| Features | |
| Function | |
| Industrial Grade | |
| Interface | |
| Lead Spacing | |
| Medical Grade | |
| Military Grade | |
| Mounting Type | |
| Number of Channels | |
| Operating Temperature | |
| Supplier Device Package | |
| Voltage |
The Texas Instruments TS3A227ERVAR is an autonomous audio accessory detection and configuration switch designed for consumer audio applications. This device automatically detects 3-pole or 4-pole audio accessories and configures internal switches for signal routing.
Key electrical specifications include a low typical on-resistance of 0.05 Ω and a supply voltage range of 2.5 V to 4.5 V. It operates with a typical supply current of 11 µA and offers a bandwidth of 150 MHz. The switch supports I²C interface for manual control and features adjustable de-bounce timings.
Designed for ease of integration, the TS3A227ERVAR provides features such as autonomous headset MIC/GND detection, click and pop noise reduction, and power-off noise removal. It also includes an integrated codec sense line and key press detection for up to 4 keys. The device is available in a 16-VQFN (3.5x3.5 mm) package and is surface-mountable.
This switch is suitable for applications requiring robust audio accessory management, ensuring proper signal routing and enhanced user experience in consumer electronics.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.76 | $0.76 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The typical on-resistance of the TS3A227ERVAR is 0.05 Ω.
The TS3A227ERVAR operates within a supply voltage range of 2.5 V to 4.5 V.
The operating temperature range for the TS3A227ERVAR is -40°C to 85°C.
The TS3A227ERVAR is available in a 16-VQFN (3.5x3.5 mm) package and a 16-VFQFN Exposed Pad package.
Key features include autonomous headset MIC/GND detection, adjustable de-bounce timings, click and pop noise reduction, FM transmission capability, integrated codec sense line, key press detection, manual I2C control, and power off noise removal.
The TS3A227ERVAR can detect 3-pole or 4-pole audio accessories, including standard headsets with MIC on sleeve and OMTP headsets with MIC on ring2.