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TDA9830T Datasheet(PDF) 7 Page - NXP Semiconductors |
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TDA9830T Datasheet(HTML) 7 Page - NXP Semiconductors |
7 / 15 page June 1994 7 Philips Semiconductors Product specification TV sound AM-demodulator and audio source switch TDA9830 Notes to the characteristics 1. In the power supply voltage range VP1 = 5.0 V up to 8.0 V the performance will not change essentially. With power supply from VP2 = 12.0 V the performance will be comparable with the performance at VP1 = 5.0 V up to 8.0 V. The unused power supply pin must be not connected. 2. Start of gain control (low IF input signal) at −3 dB AF signal reduction at pin 6. 3. End of gain control (high IF input signal) at +1 dB AF signal expansion at pin 6. 4. This state is also valid for pin left open-circuit. 5. If a DC-plop of about maximum 100 mV is acceptable when switching from internal to external audio-signal or from internal to mute state or vice versa, the capacitor between pin 6 and 7 can be omitted and pin 6 can be connected to pin 7. 6. Measured with Vripple = 200 mV(p-p) at 70 Hz superimposed on supply voltage VP. 7. Dependent on value of AGC capacitor. V8−13 crosstalk and mute attenuation 20 Hz to 20 kHz 80 90 − dB V7,8,9−13 DC-potential 2.00 2.15 2.30 V R7,9−13 input resistance 40 50 60 k Ω G7,9−8 gain of audio switch −0.5 0 +0.5 dB V10−13 audio switching voltage to activate pin 7 0 − 0.8 V V10−13 audio switching voltage to activate pin 9 note 4 1.5 − VP V V12−13 input voltage for MUTE-ON 0 − 0.8 V input voltage for MUTE-OFF note 4 1.5 − VP V I10, 12 output current of switching-pins at V10, 12-13 = 0 V −110 −145 −185 µA V8-13 DC-plop at AF output pin with switching from internal to external audio signal or to mute-state or vice-versa note 5 − 510 mV R8 output resistance 70 100 150 Ω Ripple rejection note 6 RR AF signal output: αRR =Vripple on VP /Vripple on Vout 26 30 − dB AF signal output with AF signal from external source 40 44 − dB SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
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