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TDA9840 데이터시트(PDF) 3 Page - NXP Semiconductors |
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TDA9840 데이터시트(HTML) 3 Page - NXP Semiconductors |
3 / 28 page 1998 Jul 03 3 Philips Semiconductors Product specification TV and VTR stereo/dual sound processor with digital identification and I2C-bus control TDA9840 QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VP supply voltage (pin 18) 4.5 5 8.8 V IP supply current (pin 18) 15.5 16.5 20.5 mA Vi(rms) nominal input signal voltage (Vi1, Vi2, Vi3) (RMS value) 54% modulation − 250 − mV Vo(rms) nominal output signal voltage (RMS value) THD ≤ 0.3% 54% modulation − 500 − mV Vo(rms) clipping level of the output signal voltages (RMS value) THD ≤ 1.5% VP = 5 V 1.4 1.6 − V VP = 8 V 2.4 2.65 − V ∆Gv stereo control range for Vi 1 (0.1 dB steps) +2.4 +2.5 +2.6 dB −2.3 −2.4 −2.5 dB level control range for Vi 2 (0.5 dB steps) +2.4 +2.5 +2.6 dB −1.9 −2.0 −2.1 dB Vi pil input voltage sensitivity of pilot frequency unmodulated 5 − 100 mV S/N(W) weighted signal-to-noise ratio “CCIR468-3” 66 75 − dB THD total harmonic distortion − 0.2 0.3 % Tamb operating ambient temperature range 0 − +70 °C fident identification window width normal mode STEREO 2.0 − 2.0 Hz DUAL 2.3 − 2.3 Hz fast mode STEREO 3.8 − 3.8 Hz DUAL 5.8 − 5.8 Hz tident(on) total identification time ON normal mode STEREO 0.35 − 2.3 s DUAL 0.35 − 2.0 s fast mode STEREO 0.175 − 1.1 s DUAL 0.175 − 1.0 s Vi tuner identification voltage sensitivity − 28 − dB µV ∆f pil pull-in frequency range of pilot PLL fω = 10.008 MHz lower side −296 −−296 Hz upper side 302 − 302 Hz |
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