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參數(shù)資料
| 型號： | TEA5591A |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM radio receiver circuit |
| 中文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PDIP24 |
| 封裝： | 0.400 INCH, SHRINK, PLASTIC, SOT-234-1, DIP-24 |
| 文件頁數(shù)： | 2/14頁 |
| 文件大?。?/td> | 144K |
| 代理商： | TEA5591A |
February 1990
2
Philips Semiconductors
Product specification
AM/FM radio receiver circuit
TEA5591A
GENERAL 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)
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
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
Internal AFC
Features
LED AM/FM indicator
A DC AM/FM switch facility
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
PACKAGE OUTLINE
24-lead shrink DIL; plastic (SOT234); SOT234-1; 1996 September 9.
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