This document introduces the features and characteristics of the U2270B, including carrier frequency, data rate, power supply, application scenarios, etc.
The Atmel U2270B is an integrated circuit designed for IDIC read/write base stations in contactless identification and immobilizer systems. It incorporates an on-chip power supply, oscillator, and coil driver optimized for automotive-specific distances to communicate with transponders.
The device supports various operation modes including one-rail, two-rail, and battery-voltage configurations. Key features include a carrier frequency range of 100 kHz to 150 kHz, data rates up to 5 kbaud at 125 kHz, and compatibility with Manchester and Bi-phase modulation schemes.
| Carrier Frequency Range | 100 KHz to 150 kHz |
|---|---|
| Typical Data Rate | up to 5 kbaud at 125 kHz |
| Modulation Types | Manchester and Bi-phase Modulation |
| Package Type | SO16 |
The IC is suitable for car immobilizers, animal identification, access control, and process control.
The device can be operated from a car battery or a 5-V regulated voltage, supporting one-rail, two-rail, and battery-voltage operation modes.
Yes, the datasheet indicates that the ordering information includes Pb-free options.