Stereo cassette head preamplifier/equalizer
INTEGRATED CIRCUITS
DATA SHEET
TDA1523 Stereo cassette head preamplifier and equalizer
Preliminary specification File u...
Description
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...
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