參數(shù)資料
型號(hào)： TDA5250D2
廠商： INFINEON TECHNOLOGIES AG
英文描述： ASK/FSK 868MHz Wireless Transceiver
中文描述： 詢價(jià)/ FSK信號(hào)868MHz無線收發(fā)器
文件頁數(shù)： 9/97頁
文件大?。?/td> 2328K
代理商： TDA5250D2
Product Description
2 -
3
TDA 5250 D2
preliminary
Wireless Components
confidential
Specification, July 2002
2.3
Features
I
Low supply current (I
s
= 9 mA typ. receive, I
s
= 12mA typ. transmit mode,
both at 3 V supply voltage, 25
°
C)
I
Supply voltage range 2.1 V to 5.5 V
I
Operating temperature range -40
°
C to +85
°
C
I
Power down mode with very low supply current consumption
I
FSK and ASK modulation and demodulation capability without external cir-
cuitry changes, FM demodulation capability
I
Fully integrated VCO and PLL synthesizer and loop filter on-chip with on-
chip crystal oscillator tuning, therefore no additional external components
necessary
I
Differential receive signal path completely on-chip, therefore no external fil-
ters are necessary
I
On-chip low pass channel select and data filter with tuneable bandwith
I
Data slicer with self-adjusting threshold and 2 peak detectors
I
Self-polling logic with adjustable duty cycle and ultrafast data rate detection
and timer mode providing periodical interrupt
I
FSK and ASK sensitivity < -109 dBm
I
Adjustable LNA gain
I
Digital RSSI and Battery Voltage Readout
I
Provides Clock Out Pin for external microcontroller
I
Transmit power up to +13 dBm in 50
=
load at 5V supply voltage
I
Maximum datarate up to 64 kBaud
I
I
2
C/3-wire microcontroller interface, working at max. 400kbit/s
I
meets the ETSI EN300 220 regulation and CEPT ERC 7003 recommenda-
tion
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