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TDA4655T Folha de dados(PDF) 9 Page - NXP Semiconductors |
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TDA4655T Folha de dados(HTML) 9 Page - NXP Semiconductors |
9 / 17 page June 1993 9 Philips Semiconductors Preliminary specification Generic multi-standard decoder TDA4655 Capacitor for identification (pins 14 and 15) V14, V15 DC voltage for an identified signal 2.8 3.2 3.5 V DC voltage for an unidentified signal 1.5 2.0 2.3 V PLL oscillator measured with nominal crystal (pins 16 and 18; see Table 1) R16, R17 initial oscillator amplifier input resistance −500 −−Ω C16, C17 oscillator amplifier input capacitance −− 10 pF ∆fL lock-in-range referenced to note 10 4.43361875 MHz ±400 −±1300 Hz 3.579545 MHz ±330 −±1300 Hz φ phase difference for ±400 Hz respectively 330 Hz deviation of colour carrier frequency −− 1 degree 2 × fSC output (pin 19; if the output is not used, the pin should be connected to supply) V19 DC output level I19 = 0 A 6.1 6.3 6.5 V R19 output resistance I19 =0A −− 350 Ω I19 output current −−−1.0 mA V19 output signal (peak-to-peak value) − 250 − mV Standard setting inputs/outputs (pins 20 to 23; note 11) used as output: npn emitter follower output with 0.1 mA source to ground VO on-state, during scanning, colour OFF 2.4 2.5 2.7 V on-state, colour ON 5.8 6.0 6.2 V RO output resistance IO =0 −− 300 Ω IO output current −−−3mA used as input: forced system switching VO threshold for system ON 6.8 7.0 7.2 V IO input current 100 150 180 µA Sandcastle pulse detector (pin 24; note 12) C24 input capacitance −− 10 pF V24 thresholds for field and line pulse separation pulse ON 1.3 1.6 1.9 V pulse OFF 1.1 1.4 1.7 V line pulse separation pulse ON 3.3 3.6 3.9 V pulse OFF 3.1 3.4 3.7 V burst pulse separation pulse ON 5.3 5.6 5.9 V pulse OFF 5.1 5.4 5.7 V SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
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