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TDA4661T Datasheet(PDF) 4 Page - NXP Semiconductors |
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TDA4661T Datasheet(HTML) 4 Page - NXP Semiconductors |
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4 / 6 page  December 1994 5 Philips Semiconductors Product specification Baseband delay line TDA4661 CHARACTERISTICS VP = 5.0 V; input signals as specified in characteristics with 75% colour bars; super-sandcastle frequency of 15.625 kHz; Tamb = +25 °C; measurements taken in Fig.3 unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VP1 supply voltage (analog part; pin 9) 4.5 5 6 V VP2 supply voltage (digital part; pin 1) 4.5 5 6 V IP1 supply current − 4.2 6.0 mA IP2 supply current − 0.7 1.0 mA Colour-difference input signals VI input signal (peak-to-peak value) ±(R−Y) PAL and NTSC (pin 16) − 525 − mV ±(B−Y) PAL and NTSC (pin 14) − 665 − mV ±(R−Y) SECAM (pin 16) note 1 − 1.05 − V ±(B−Y) SECAM (pin 14) note 1 − 1.33 − V VI(max) maximum symmetrical input signal (peak-to-peak value) ±(R−Y) or ±(B−Y) for PAL and NTSC before clipping 1 − − V ±(R−Y) or ±(B−Y) for SECAM before clipping 2 − − V R14, 16 input resistance − − 40 k Ω C14, 16 input capacitance − − 10 pF V14, 16 input clamping voltage proportional to VP 1.3 1.5 1.7 V Colour-difference output signals VO output signal (peak-to-peak value) ±(R−Y) on pin 11 all standards − 1.05 − V ±(B−Y) on pin 12 all standards − 1.33 − V V11/V12 ratio of output amplitudes at equal input signals VI14, 16 = 1.33 V (p-p) −0.4 0 +0.4 dB V11, 12 DC output voltage proportional to VP 2.5 2.9 3.3 V R11, 12 output resistance − 330 400 Ω Gv gain for PAL and NTSC ratio VO/VI 5.3 5.8 6.3 dB gain for SECAM ratio VO/VI −0.6 −0.1 +0.4 dB Vn/Vn+1 ratio of output signals on pins 11 and 12 for adjacent time samples at constant input signals VI14, 16 = 1.33 V (p-p); SECAM signals −0.1 0 +0.1 dB Vn noise voltage (RMS value; pins 11 and 12) VI14, 16 = 0 V; note 2 − − 1.2 mV S/N(W) weighted signal-to-noise ratio VO = 1 V (p-p); note 2 − 54 − dB td delay of delayed signals 63.94 64.0 64.06 µs delay of non-delayed signals 40 60 80 ns ttr transient time of delayed signal on pins 11 respectively 12 300 ns transient of SECAM signal − 350 − ns transient time of non-delayed signal on pins 11 respectively 12 300 ns transient of SECAM signal − 320 − ns |
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