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Description
The TEA5591A is a 24-pin integrated radio circuit, derived from the TEA5591 and is designed for use in AM/FM portable radios and clock radios. The TEA5591A differs from the TEA5591 in that it has separate IF input pins for AM and FM, a split-up AM-IF stage for distributed selectivity, and an LED driver indicator. The main advantage of the TEA5591A is its ability to operate over a wide range of supply voltages (1.8 to 15 V) without any loss of performance. The AM circuit incorporates a double balance mixer, a 'one-pin' oscillator with amplitude control operating in the 0.6 to 30 MHz frequency range, a split-up IF amplifier, a detector, and an AGC circuit which controls the IF amplifier and mixer. The FM circuit incorporates an RF input amplifier, a double balanced mixer, a 'one-pin' oscillator, two IF amplifiers for distributed selectivity, a quadrature demodulator for a ceramic filter, and internal AFC.
Specifications and features
The TEA5591A features an LED AM/FM indicator, a DC AM/FM switch facility, and three separate stabilizers to enable operation over a wide range of supply voltages (1.8 to 15 V). All pins (except pin 10) are ESD protected.
Application Scenarios
The TEA5591A is specifically designed for use in AM/FM portable radios and clock radios. Its wide range of supply voltage operation and various integrated features make it suitable for these applications.
Comparison
Advantages- Wide range of supply voltage operation (1.8 to 15 V)
Disadvantages- None mentioned
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download TEA5591A
- Chipdatas Part: CD87-TEA5591A
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 16:14 +0800
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