Purchase AS3902, In-stock AS3902 From SeekIC.
Part Number: AS3902
Description:
The AS3902 is a single channel low power 433 MHz ASK transmitter. It uses a fully integrated PL...
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AS3902
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DataSheet
General Description
AS3902 General Description
The AS3902 is a single channel low power 433 MHz ASK transmitter. It uses a fully integrated PLL stabilized RF-oscillator which avoids
frequency pulling by approaching the antenna with objects as it occurs at SAW resonator based transmitters. ASK modulation is performed
by switching the transmitter on and off by an applied data stream.
The AS3902 contains a bi-directional three line micro-controller (C) interface to support the C with a clock and a reset signal and to
operate the highly efficient power up/down manage-ment (including clock-free total shut-down) of the AS3902 by the C.
As external components the AS3902 need only a reference XTAL, three capacitors and up to two resistors.
AS3902 Maximum Ratings
| Symbol | Parameter | min | max | Unit | Note |
| VDD | Positive supply voltage | -0.5 | 7 | V | |
| GND | Negative supply voltage | 0 | 0 | V | |
| VIN | Voltage on input pins | -0.5 | VDD+0.5 | V | |
| ESD | Electrostatic discharge | 1000 | V | 1) | |
| TSTG | Storage temperature | -55 | 125 | °C | |
| TLEAD | Lead temperature | 260 | °C | 2) |
AS3902 Features
Supports the European 433 MHz ISM band.
No frequency pulling by (antenna) load variation due to PLL synthesizer.
Designed to be conform to EN 300 220-1 requirements.
ASK data rate range from 0 to 32 kbit/s.
Supports clock and reset signals for the external C. Therefore no separate C XTAL is required.
Supports total shut down mode without any running XTAL oscillator. Typically 2 external resistors and 3 capacitors required.
FSK operation by XTAL pulling possible.
315 MHz US ISM band application possible.
Wide supply range between 2.7 V to 5 V.
Low TX current, typical 8 mA @ transmitting a High ("H"), 1 mA @ transmitting a Low ("L").
Wide operating temperature range from 40 °C to +85 °C.
Miniature surface mount 8 pin MSOP (preferred) or SOIC package.
AS3902 Typical Application
Short range radio data transmission.
Remote keyless entry systems.
Domestic and consumer remote control units.
Cordless alarm systems.
Remote metering.
Low power telemetry.
AS3902 Connection Diagram
AS3902
PDF/DataSheet Download
- Datasheet: AS3902
- File Size: 356954 KB
- Manufacturer: AMSCO [austriamicrosystems AG]
- Click here to Download
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