TDA3845 Overview
INTEGRATED CIRCUITS DATA SHEET TDA3845; TDA3845T Quasi split-sound circuit and AM demodulator Objective specification File under Integrated Circuits, IC02 January 1993 Philips Semiconductors Objective specification Quasi split-sound circuit and AM demodulator FEATURES • Power supply from 5 V (200 mW) to 8 V source also an alternative 12 V source (12 V not for TDA3845T) • Gain controlled wideband IF amplifier (AC coupled with three stages) • High...
TDA3845 Key Features
- Power supply from 5 V (200 mW) to 8 V source also an alternative 12 V source (12 V not for TDA3845T)
- Gain controlled wideband IF amplifier (AC coupled with three stages)
- High precision internal 90° phase shifter for quadrature demodulator
- Amplitude detector for gain control which operates as a peak detector for FM sound and as a mean level detector for AM s
- In-phase wideband synchronous demodulator for AM detection
- Stabilizer circuit for ripple rejection and constant output signals
- ESD protection for all pins
- Suitable for all FM standards and L as well as L-accent standard
- NICAM patible. GENERAL DESCRIPTION The TDA3845 is a quasi split-sound IF circuit which is designed to provide high perfo
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