поискавой системы для электроныых деталей |
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TEA6321T датащи(PDF) 10 Page - NXP Semiconductors |
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TEA6321T датащи(HTML) 10 Page - NXP Semiconductors |
10 / 36 page 1995 Dec 19 10 Philips Semiconductors Preliminary specification Sound fader control circuit TEA6321 Notes to the characteristics 1. The indicated values for output power assume a 6 W power amplifier at 4 Ω with 20 dB gain and a fixed attenuator of 12 dB in front of it. Signal-to-noise ratios exclude noise contribution of the power amplifier. 2. The transmission contains: total initialization with MAD and subaddress for volume and 8 data words, see also definition of characteristics, clock frequency = 50 kHz, repetition burst rate = 400 Hz, maximum bus signal amplitude = 5 V (p-p). 3. The AC characteristics are in accordance with the I2C-bus specification. This specification, “The I2C-bus and how to use it”, can be ordered using the code 9398 393 40011. Mute function (see Fig.10) HARDWARE MUTE Vsw mute switch level (2 × VBE) − 1.45 − V mute active VswLOW input level −− 1.0 V Ii input current VswLOW =1V −300 −−µA mute passive: level internally defined VswHIGH saturation voltage −− VCC V td(mute) delay until mute passive −− 0.5 ms ZERO CROSSING MUTE Id discharge current 0.3 0.6 1.2 µA Ich charge current −300 −150 −µA VswDEL delay switch level (3 × VBE) − 2.2 − V td delay time Cm =10nF − 100 − ms Vwind window for audio signal zero crossing detection − 30 40 mV Muting at power supply drop VCCdrop supply drop for mute active − V19 − 0.7 − V Power-on reset (when reset is active the GMU-bit (general mute) is set and the I2C-bus receiver is in reset position) VCC increasing supply voltage start of reset −− 2.5 V end of reset 5.2 6.5 7.2 V decreasing supply voltage start of reset 4.2 5.5 6.2 V Digital part (I2C-bus pins); note 3 ViH HIGH level input voltage 3 − 9.5 V ViL LOW level input voltage −0.3 − +1.5 V IiH HIGH level input current −10 − +10 µA IiL LOW level input current −10 − +10 µA VoL LOW level output voltage IL =3mA −− 0.4 V SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
Аналогичный номер детали - TEA6321T |
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Аналогичное описание - TEA6321T |
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