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TDA1523 Datasheet(PDF) 2 Page - NXP Semiconductors |
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TDA1523 Datasheet(HTML) 2 Page - NXP Semiconductors |
2 / 16 page 1996 Feb 26 2 Philips Semiconductors Preliminary specification Stereo cassette head preamplifier and equalizer TDA1523 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. GENERAL DESCRIPTION The TDA1523 is a playback amplifier for car radio/cassette players. QUICK REFERENCE DATA ORDERING INFORMATION SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VP supply voltage (pin 7) 7.5 − 12 V IP supply current (pin 7) − 5 − mA Tamb operating ambient temperature −30 − +85 °C THD total harmonic distortion − 0.05 − % α cs channel separation RS =10kΩ; LS =0 45 −− dB TYPE NUMBER PACKAGE NAME DESCRIPTION VERSION TDA1523 DIP14 plastic dual in-line package; 14 leads (300 mil) SOT27-1 |
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