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TDA5250 数据表(PDF) 3 Page - Infineon Technologies AG |
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TDA5250 数据表(HTML) 3 Page - Infineon Technologies AG |
3 / 97 page Product Info Product Info Wireless Components confidential Specification, July 2002 Package TDA 5250 D2 preliminary Product Info General Description The IC is a low power consumption single chip FSK/ASK Transceiver for half duplex low datarate communica- tion in the 868-870MHz band. The IC offers a very high level of integration and needs only a few external compo- nents. It contains a highly efficient power amplifier, a low noise amplifier (LNA) with AGC, a double balanced mixer, a complex direct conversion stage, I/Q limiters with RSSI genera- tion, an FSK demodulator, a fully inte- grated VCO and PLL synthesizer, a tuneable crystal oscillator, an onboard data filter, a data comparator (slicer), positive and negative peak detectors, a data rate detection circuit and a 2/3- wire bus interface. Additionally there is a power down feature to save battery power. Features I Low supply current (Is = 9mA typ. receive, Is = 12mA typ. transmit mode) I Supply voltage range 2.1 - 5.5V I Power down mode with very low supply current consumption I FSK and ASK modulation and demodulation capability I Fully integrated VCO and PLL synthesizer and loop filter on-chip with on chip crystal oscillator tuning I I2C/3-wire µController Interface I On-chip low pass channel select fil- ter and data filter with tuneable bandwidth I Data slicer with self-adjusting threshold and 2 peak detectors I FSK sensitivity <-109dBm, ASK sensitivity < –109dBm I Transmit power up to +13dBm I Datarates up to 64kBit/s I Self-polling logic with ultra fast data rate detection Applications I Low Bitrate Communication Systems I Keyless Entry Systems I Remote Control Systems I Alarm Systems I Telemetry Systems I Electronic Metering I Home Automation Systems Ordering Information Type Ordering Code Package TDA 5250 P-TSSOP-38-1 |
类似零件编号 - TDA5250 |
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类似说明 - TDA5250 |
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