TDA1523

INTEGRATED CIRCUITS DATA SHEET TDA1523 Stereo cassette head preamplifier and equalizer Preliminary specification File under Integrated Circuits, IC01 1996 Feb 26 Philips Semiconductors Preliminary specification Stereo cassette head preamplifier and equalizer FEATURES Two independent amplifiers with open-loop gain of 90 dB (typical) Internal DC feedback via 140 kΩ resistor from output to feedback point AC characteristics that can be determined externally by an RC network Electronic on/off switching with transient suppression for switch on Head input at DC ground that eliminates the input coupling capacitor Minimum external component requirement Stability down to a gain of 30 dB Low input noise Low distortion DC input current <2 µA. QUICK REFERENCE DATA SYMBOL VP IP Tamb THD αcs PARAMETER supply voltage (pin 7) supply current (pin 7) operating ambient temperature total harmonic distortion channel separation RS = 10 kΩ; LS = 0 CONDITIONS − −30 − 45 MIN. 7.5 − 5 − 0.05 − TYP. − GENERAL DESCRIPTION TDA1523 The TDA1523 is a playback amplifier for car radio/cassette players. MAX. 12 +85 − − UNIT V mA °C % dB ORDERING INFORMATION TYPE NUMBER TDA1523 PACKAGE NAME DIP14 DESCRIPTION plastic dual in-line package; 14 leads (300 mil) VERSION SOT27-1 1996 Feb 26 2 Philips Semiconductors Preliminary specification Stereo cassette head preamplifier and equalizer BLOCK DIAGRAM TDA1523 R102 handbook, full pagewidth R101 5.6 kΩ C101 22 nF C102 220 µF 8.2 Ω TDA...