TDA8730 Datasheet | NXP Semiconductors

FEATURES - Broadband IF amplifier - PLL demodulator, consisting of: - a multiplier - a voltage controlled oscillator - a loop amplifier - AGC detector and DC amplifier - LOW impedance video and data output - Power supply voltage stabilizer GENERAL DESCRIPTION The TDA8730 is a sensitive PLL demodulator for the second IF and direct broadcasting satellite (DBS) receivers. It provides AGC output and threshold adjustment for optimal signal level at the input of the demodulator. QUICK REFERENCE DATA SYMBOL VDD IDD VI fosc fosc VO VAGC Note 1. ∆f = 13.5 MHz (peak-to-peak value) ORDERING AND PACKAGE INFORMATION EXTENDED TYPE NUMBER TDA8730 Note 1. SOT38-1; 1996 December 4. PACKAGE PINS 16 PIN POSITION DIL MATERIAL plastic CODE SOT38GE(1) supply voltage supply current input voltage level minimum oscillator frequency maximum oscillator frequency video output signal amplitude (peak-to-peak value) AGC output voltage note 1 PARAMETER CONDITIONS MIN. - - - - - - 1.8 TYP. 9 75 70 130 720 1.1 - MAX. - - - - - - VDD UNIT V m A d BµV MHz MHz V V March 1991 Philips Semiconductors Preliminary specification PLL FM demodulator for DBS signals PINNING SYMBOL AGCO AGCFC OSCIN1 GND OSCIN2 GND1 VDO FI VO GND2 SDN VDD RFIN2 RFIN1 Fig.1 Pinning diagram. RFGND AGCTS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PIN AGC output DESCRIPTION AGC frequency pensation oscillator input 1 GND oscillator input 2 ground 1 variable capacitor drive output feedback input video output ground 2 stabilizer decoupling node supply voltage +9 V RF input 2 RF input 1 RF ground AGC threshold setting APPLICATIONS Direct broadcasting satellite (DBS) receivers. March 1991 Philips Semiconductors Preliminary specification PLL FM demodulator for DBS signals Fig.2 Block diagram. March 1991 Philips Semiconductors Preliminary specification PLL FM demodulator for DBS signals FUNCTIONAL DESCRIPTION The TDA8730 is a PLL FM demodulator intended for use in satellite tuners. It can...