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TDA9829T Datasheet(PDF) 6 Page - NXP Semiconductors |
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TDA9829T Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 20 page 1998 Nov 09 6 Philips Semiconductors Product specification Downconverter for DVB TDA9829T THERMAL CHARACTERISTICS CHARACTERISTICS VP =5V; Tamb =25 °C; see Table 1 for input frequencies; input level ViIF(3−4) = 10 mV (RMS value); measurements taken in Fig.8; unless otherwise specified. SYMBOL PARAMETER CONDITIONS VALUE UNIT Rth(j-a) thermal resistance from junction to ambient in free air 85 K/W SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supply (pin 19) VP supply voltage note 1 4.5 5.0 5.5 V IP supply current 81 96 111 mA IF amplifier (measured at fIF = 43.75 MHz; pins 3 and 4) ∆V(3-4)(rms) input sensitivity (RMS value) −1 dB DVB signal at output − 100 150 µV Vi(3-4)(rms) maximum input signal level (RMS value) 1 dB DVB signal at output 140 200 − mV ∆GIF total gain control IF amplifier 59 64 − dB tilt for ∆f ±3 MHz fs = 6.9 MHz; 40 dB gain − 0.5 1 dB Ri(3-4)(diff) input resistance (differential) note 2 − 2.2 − k Ω Ci(3-4)(diff) input capacitance (differential) note 2 − 1.7 − pF DVB mixer and VCO (pins 10, 15 and 16); see notes 4 and 5 and Table 1 fVCO(max) maximum oscillator frequency 2(fIF +fs) 125 130 − MHz fVCO(US) VCO frequency for USA 2(fIF +fs) − 97.5 − MHz fVCO(EU) VCO frequency for Europe 2(fIF +fs) − 86.0 − MHz Vref(rms) oscillator voltage swing between pins 15 and 16 (RMS value) − 60 − mV ∆ϕ SSB VCO phase noise f = 100 kHz; free-running 103 107 − dBc/Hz VVCO VCO control range (pin 10) see Figs 6 and 7 0 − VP V Ri(VCO) VCO control input resistance (pin 10) 50 63 76 k Ω CRstps(VCO) control steepness ∆fs/∆V10 see Figs 6 and 7 DVB (USA) − 0.29 − MHz/V DVB (Europe) − 0.40 − MHz/V DVB output amplifier (pins 11 and 20) Vo(DVB)(p-p) DVB output signal (QAM) (peak-to-peak value) 1.8 2.1 2.4 V Ibias(int) DC internal bias current for emitter-follower (pin 11) 1.9 2.3 2.7 mA Isink(max) maximum AC and DC output sink current (pin 11) 1.5 −− mA Isource(max) maximum AC and DC output source current (pin 11) 2.0 −− mA |
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