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參數資料
| 型號： | TDA7540NTR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 調諧器 |
| 英文描述： | 2-BAND, AUDIO TUNER, PQFP80 |
| 封裝： | 14 X 14 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-80 |
| 文件頁數： | 1/76頁 |
| 文件大小： | 1225K |
| 代理商： | TDA7540NTR |
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November 2007
Rev 1
1/76
1
TDA7540N
AM/FM car radio tuner IC with stereo decoder and
intelligent selectivity system (ISS)
Features
FM-part
■ RF AGC generation by RF and IF detection
■ I/Q mixer for 1st FM IF 10.7MHz with image
rejection
■ Mixer for 2nd IF 450kHz
■ Internal 450KHz bandpass filter with bandwidth
control by ISS
■ Fully integrated FM-demodulator with spike
cancellation
AM-part
■ Wide and narrow AGC generation
■ Mixer for 1st IF 10.7MHz, AM upconversion
■ Mixer for 2nd IF 450kHz, AM downconversion
■ Integrated AM-demodulator
■ AM IF- and audio noise blanking
Stereodecoder
■ PLL with adjustment free, fully integrated VCO
■ Automatic pilot dependent mono/stereo
switching
■ Programmable ROLL-OFF compensation
■ High cut and stereo blend-characteristics
programmable
■ Dedicated RDS-mute
■ Internal noise blanker with several threshold
controls
Additional features
■ VCO for world tuning range
■ High performance fast PLL for RDS-System
■ IF counter for FM and AM with search stop
signal
■ Quality detector for level, deviation, adjacent
channel and multipath
■ ISS (intelligent selectivity system) for
cancellation of adjacent channel and noise
influences
■ Adjacent channel mute
■ Fully electronic alignment
■ All functions I2C-Bus controlled
Description
The TDA7540N is a high performance tuner
circuit for AM/FM car radio. It contains mixer, IF
amplifier, demodulator for AM and FM,
stereodecoder, quality detection, ISS filter and
PLL synthesizer with IF counter on a single chip.
Use of BICMOS technology allows the
implementation of several tuning functions and a
minimum of external components.
LQFP80
Table 1.
Device summary
Order code
Temp range,
°CPackage
Packing
TDA7540N
-40 to 85°C
LQFP80 (14x14x1.4mm)
Tube
TDA7540NTR
-40 to 85°C
LQFP80 (14x14x1.4mm)
Tape and reel
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TDA7541 | 功能描述:音頻放大器 AM/FM car radio Tuner IC Decoder RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7541B | 功能描述:音頻放大器 AM/FM car radio Tuner IC Decoder RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7541BW | 功能描述:音頻放大器 AM/FM car radio Tuner IC Decoder RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7541BWTR | 功能描述:音頻放大器 AM/FM car radio Tuner IC Decoder RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7541TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system |
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