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BQ3658
    发布时间: 2020-07-23 11:34    
DESCRIPTION
BQ3658 is a high performance OOK/ASK transmitter for the Remote Keyless Entry (RKE)systems. It consists of a power amplifier, one-shot circuit and phase-locked loop with internal voltage controlled oscillator and loop filter. The one-shot
circuit control the phase-locked loop and power amplifier to have fast start-up time in operation.

FEATURES
- Highly integrated OOK/ASK transmitter
- High output power, 3V /+11dBm /17mA
- Low supply voltage, 2.2V to 3.6V operation range
- Low external component cost.
- PLL-based transmitter with frequency range from 300MHz to 450MHz
- On-chip one-shot circuit
- 60dB RF on-off ratio for OOK/ASK modulation
- Available in 6-pin, SOT-23 package

APPLICATIONS
- Keyless entry systems
- Remote control systems
- Garage door openers
- Alarm systems
- Security systems
- Wireless sensors

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