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MICRF112 - ASK/FSK Transmitter

General Description

The MICRF112 is a high-performance, easy to use, true “Data-In, RF-Out,” ASK/FSK, phase-locked loop (PLL) based, transmitter IC for applications in the 300MHz to 450MHz frequency range.

These applications include remote keyless entry (RKE) and tire pressure monitoring (TPMS).

Key Features

  • a low-power shutdown mode in which the device typically consumes 50nA of supply current. This makes it an ideal solution for battery powered applicati.

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Datasheet Details

Part number MICRF112
Manufacturer Micrel Semiconductor
File Size 835.16 KB
Description ASK/FSK Transmitter
Datasheet download datasheet MICRF112 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MICRF112 300MHz to 450MHz, +10dBm, 1.8V to 3.6V, ASK/FSK Transmitter with Shutdown General Description The MICRF112 is a high-performance, easy to use, true “Data-In, RF-Out,” ASK/FSK, phase-locked loop (PLL) based, transmitter IC for applications in the 300MHz to 450MHz frequency range. These applications include remote keyless entry (RKE) and tire pressure monitoring (TPMS). The device needs only a low-cost crystal to precisely set the desired RF frequency, and a few external components for matching the power amplifier output to the antenna. The MICRF112 operates over the 1.8V to 3.6V operating range and delivers +10dBm (CW) output power into a 50Ω load, while consuming 11.5mA of supply current from a 3.0V power supply. In ASK mode, the device consumes 6.