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TDA1523 Scheda tecnica(PDF) 6 Page - NXP Semiconductors |
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TDA1523 Scheda tecnica(HTML) 6 Page - NXP Semiconductors |
6 / 16 page 1996 Feb 26 6 Philips Semiconductors Preliminary specification Stereo cassette head preamplifier and equalizer TDA1523 Notes 1. Applies to each amplifier. 2. Frequency range 300 Hz to 20 kHz. 3. Referred to the input. 4. Measured selective. Mute on/off (pin 1); see Fig.4 Vmute(on) mute on voltage mute switch closed 0 − 1V Imute(on) mute on current mute switch closed or V1-4 =0V − 2.7 −µA Vmute(off) mute off voltage mute switch open 7.5 − VP V General Rfb internal feedback resistor note 1 100 140 180 k Ω Gv open-loop voltage gain f = 315 Hz; note 1 − 90 − dB α cs channel separation RS =10kΩ; LS = 0; note 2 45 −− dB PSRR power supply ripple rejection VP(rms) = 0.1 V; f = 100 Hz; note 3 90 95 − dB THD total harmonic distortion f = 1 kHz; Vo = 0.3 V; note 4 − 0.05 − % SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Fig.3 Test circuit for noise measurement. handbook, full pagewidth MGC990 AMP 1 SUPPLY & MUTE AMP 2 feedback 1 R fb1 feedback 2 R fb2 RS1 TDA1523 R L1 C c1 Vo1 R L2 4.7 k Ω 10 µF 4.7 k Ω 10 µF C c2 Vo2 VP 8 7 4 14 6 5 3 2 1 C201 10 µF R201 R202 C101 10 µF R101 9.1 k Ω 140 k Ω R102 8.2 Ω 9.1 k Ω 140 k Ω 8.2 Ω C202 Vi1 Vi2 C102 1000 µF 1000 µF output 1 output 2 4.7 k Ω RS2 4.7 k Ω |
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