SL6619

www.DataSheet4U.com SL6619 Direct Conversion FSK Data Receiver Data Sheet August 2005 The SL6619 is an advanced Direct Conversion FSK Data Receiver for operation up to 450 MHz. The device integrates all functions to convert a binary FSK modulated RF signal into a demodulated data stream. Adjacent channel rejection is provided using tuneable gyrator filters. RF and audio AGC functions assist operation when large interfering signals are present and an automatic frequency control (AFC) function is provided to extend centre frequency acceptance. Ordering Information SL6619/KG/TP1N 32 Pin TQFP SL6619/KG/TP1Q 32 Pin TQFP SL6619/KG/TP2Q 32 Pin TQFP* SL6619/KG/TP2N 32 Pin TQFP* *Pb Free Matte Tin Trays Tape & Reel Tape & Reel Trays Features Very Low Power Operation from Single Cell Superior Sensitivity Operation at 512, 1200 and 2400 Baud On Chip 1 Volt Regulator 1mm Height Miniature Package Automatic Frequency Control Function Programmable Post Detection Filter AGC Detection Circuitry Power Down Function Battery Strength Indicator Applications Pagers, including Credit Card, PCMCIA and Watch Pagers Low Data Rate Receivers, e.g. Security Systems 32 31 30 29 28 27 26 25 IRF GND MIXIP A MIX DEC MIXIP B REG CNT VREG TPI GTH ADJ TC ADJ IAGC OP TP LIM I VBATT BRF1 BRF CNT AFC2 1 2 3 4 5 6 7 8 SL6619 24 23 22 21 20 19 18 17 AFC1 BATT FLAG VCC2 DATA OP BEC AFC OP VREF TPQ 9 10 11 12 13 14 15 16 I1 I2 VCC1 LOIP I GYR I LOIP Q Q1 Q2 TP32 Figure 1 Pin ide...