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TDA8844 Datasheet(PDF) 29 Page - NXP Semiconductors |
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TDA8844 Datasheet(HTML) 29 Page - NXP Semiconductors |
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29 / 68 page  December 16, 1997 29 Philips Semiconductors Tentative Device Specification I2C-bus controlled PAL/NTSC/SECAM TV processors TDA884X/5X-N2 series VIDEO AMPLIFIER OUTPUT (PIN 6); NOTE 6 M.3.1 zero signal output level negative modulation; note 7 − 4.2 − V M.3.2 positive modulation; note 7 − 2.2 − V M.3.3 top sync level negative modulation 1.8 1.9 2.0 V M.3.4 white level positive modulation − 4.4 − V M.3.5 difference in amplitude between negative and positive modulation − 015 % M.3.6 video output impedance − 50 −Ω M.3.7 internal bias current of NPN emitter follower output transistor 1.0 −− mA M.3.8 maximum source current −− 5mA M.3.9 bandwidth of demodulated output signal at −3dB 6 9 − MHz M.3.10 differential gain note 8 − 25% M.3.11 differential phase notes 8 and 5 −− 5 deg M.3.12 video non-linearity note 9 −− 5% M.3.13 white spot clamp level − 6.0 − V M.3.14 noise inverter clamping level note 10 − 1.5 − V M.3.15 noise inverter insertion level (identical to black level) note 10 − 2.7 − V intermodulation notes 5 and 11 M.3.16 blue Vo = 0.92 or 1.1 MHz 60 66 − dB M.3.17 Vo = 2.66 or 3.3 MHz 60 66 − dB M.3.18 yellow Vo = 0.92 or 1.1 MHz 56 62 − dB M.3.19 Vo = 2.66 or 3.3 MHz 60 66 − dB signal-to-noise ratio notes 5 and 12 M.3.20 weighted 56 60 − dB M.3.21 unweighted 49 53 − dB M.3.22 residual carrier signal note 5 − 5.5 − mV M.3.23 residual 2nd harmonic of carrier signal note 5 − 2.5 − mV IF AND TUNER AGC; NOTE 13 Timing of IF-AGC with a 2.2 µF capacitor (pin 53) M.4.1 modulated video interference 30% AM for 1 mV to 100 mV; 0 to 200 Hz (system B/G) −− 10 % M.4.2 response time to IF input signal amplitude increase of 52 dB positive and negative modulation − 2 − ms M.4.3 response to an IF input signal amplitude decrease of 52 dB negative modulation − 50 − ms M.4.4 positive modulation − 100 − ms M.4.5 allowed leakage current of the AGC capacitor negative modulation −− 10 µA M.4.6 positive modulation −− 200 nA NUMBER PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
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