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參數(shù)資料
| 型號： | TDA7500ATR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封裝： | ROHS COMPLIANT, TQFP-100 |
| 文件頁數(shù)： | 28/41頁 |
| 文件大小： | 431K |
| 代理商： | TDA7500ATR |
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TDA7500A
34/40
Codec
The CODEC is composed of four AD mono converters, three DA stereo converters. The ADC can operate
both in audio mode and in FM/AM mode. When in audio mode, it converts the audio bandwidth from 20 to
20KHz. The A to D is a third order Sigma-Delta converter, the converter resolutions is 20 bit with 88 dB of
dynamic range and 85dB of total harmonic distortion. When in FM mode, the converted bandwidth is up
to 192KHz. The D to A is a third order Sigma-Delta converter with a low noise reconstructing analog filter,
the converter resolution is 20 bit with 93 dB of dynamic range and 85dB of total harmonic distortion. All
the reference voltages are generated inside the chip.
Some capabilities of the CODEC are listed below:
s
20-Bit Resolution
s
Digital Anti-Alias Filtering embedded
s
Adjustable System Sampling Rates
s
93dB D/A Dynamic Range (Not-Weighted)88dB A/D Dynamic Range (Not-Weighted)
s
85dB D/A (THD+N/S)85dB A/D (THD+N/S)
s
Internal Differential Analog Architecture
s
+3.3V Power Supply
SOFTWARE FEATURES
A great flexibility is guaranteed by the two programmable DSP cores. A list of the main software functions
which can be implemented in the TDA7500A is enclosed hereafter. A block diagram of the audio process-
ing flow is shown in Fig. 19 below.
Figure 19. Software Block Diagram of Audio & Sound Processing
AM/FM Baseband Signal Processing
s
FM weak signal processing
s
Integrated 19 kHz MPX filter and deemphasis
s
flexible noise cancellation
s
flexible multipath detector
Generic Audio Signal Processsing
s
Loudness
s
Bass, treble, fader control
s
Volume control
DLY
HP
PEQ
T
B
LD
DRC
RM
ANR
SM
+
DLY
HP
PEQ
T
B
LD
DRC
ANR
SM
DLY
LP
Audio
noise
reduction
Dynamic
range
compression
Loudness Bass
Treble Parametric
equaliser
Soft
mute
Routing
matrix
Delay
Stereo
input
RF
CF
LF
RR
LR
SW
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| TDA7500 | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
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| TDA7502E013TR | SPECIALTY CONSUMER CIRCUIT, PQFP44 |
| TDA7503 | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7501 | 功能描述:音頻 DSP Digit Car Radio Sig RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風格: 封裝 / 箱體: 封裝:Tube |
| TDA7501_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Line driver for digital car radio Signal processor (DSPLD) |
| TDA7501TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Line driver for digital car radio Signal processor (DSPLD) |
| TDA7502 | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC In-Car Remote Amp RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT |
| TDA7502_06 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:In-car remote amplifier DSP |
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