TDA1523

General description

The TDA1523 is a playback amplifier for car radio/cassette players.

Features

• Two independent amplifiers with open-loop gain of 90 dB (typical)
• Internal DC feedback via 140 kW 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.

Applications

• Line switches
• Battery charger switches
• Power supply switches
• Drive switches
• General purpose analog switches.

Related applications
50-60 Hz CRT integrated DTV (TV210D)
DVB-T iDTV reference solution (TV505D)
Mid-range integrated DTV (TV810)
Mainstream integrated LCD DTV reference designs TV520

Block diagrams/pinning

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