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TDA8260TW Datasheet(PDF) 5 Page - NXP Semiconductors |
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TDA8260TW Datasheet(HTML) 5 Page - NXP Semiconductors |
5 / 23 page 2004 Sep 03 5 Philips Semiconductors Product specification Satellite Zero-IF QPSK/8PSK downconverter with PLL synthesizer TDA8260TW PINNING INFORMATION SYMBOL PIN DESCRIPTION XT1 1 4 MHz crystal oscillator input 1 XT2 2 4 MHz crystal oscillator input 2 VCC(PLL) 3 supply voltage for PLL circuit (+5 V) PLLGND 4 ground for PLL circuit AGCIN 5 AGC input from satellite demodulator and decoder BIASN 6 RF isolation input (+5 V) RFGND1 7 ground 1 for RF circuit VCC(RF) 8 supply voltage for RF stage (+5 V) RFA 9 RF signal input A RFB 10 RF signal input B RFGND2 11 ground 2 for RF circuit LP1 12 low-pass filter loop filtering output LP2 13 low-pass filter loop filtering input QOUT 14 quadrature output for AC coupling to pin 16 BBGND1 15 ground 1 for baseband stage QBBIN 16 quadrature baseband AC-coupled input from pin 14 VCC(BB) 17 supply voltage for baseband stage (+5 V) QBBOUT 18 quadrature baseband output to satellite demodulator and decoder QIN 19 quadrature input for auto-amplitude matching IIN 20 in-phase input for auto-amplitude matching IBBOUT 21 in-phase baseband output to satellite demodulator and decoder n.c. 22 not connected IBBIN 23 in-phase AC-coupled baseband input from pin 25 BBGND2 24 ground 2 for baseband stage IOUT 25 in-phase output for AC-coupling to pin 23 CAP2 26 amplitude matching loop filtering output 2 CAP1 27 amplitude matching loop filtering output 1 VCOGND 28 ground for VCO circuit TKB 29 VCO tank circuit input B TKA 30 VCO tank circuit input A VCC(VCO) 31 supply voltage for VCO circuit (+5 V) BVS 32 bus voltage select input VT 33 tuning voltage output for VCO CP 34 charge pump output AS 35 address selection input SCL 36 I2C-bus clock input SDA 37 I2C-bus data input/output XTOUT 38 4 MHz crystal oscillator output to satellite demodulator and decoder |
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