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參數(shù)資料
| 型號(hào)： | TDA7580 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | 10 X 10 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-64 |
| 文件頁數(shù)： | 25/39頁 |
| 文件大?。?/td> | 616K |
| 代理商： | TDA7580 |
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Product(s)
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Product(s)
TDA7580
Functional description
system is the shift register and the read data buffer. The system is single buffered in the
transfer direction and double buffered in the receive direction.
8.8
High speed serial synchronous interface (HS3I)
The high speed serial synchronous interface is a module to send and receive data at high
rate (up to 9.25Mbit/s per channel) in order to exchange data between 2 separate TDA7580
chip.
The exchanged data are related to signals that are used to increase reception quality in car
radio systems, which make use of antenna diversity based upon two separate antenna and
tuner sections.
The channel synchronization clock has a programmable duty cycle, so to reduce in band
harmonics noise.
8.9
Tuner AGC keying DAC (KEYDAC)
This DAC provides the front-end tuner with an analogue signal to be used to control the
automatic gain controlled stage, thus giving all time the best voltage dynamic range at the
IFADC input.
8.10
Asynchronous sample rate converter (ASRC)
This hardware module provides a very flexible way to adapt the internal audio rate, to the
one of an external source. It does not require further work off the DSP.
There is no need to explicitly configure the input and the output sample rates, as the ASRC
solves this problem with an automatic digital ratio locked loop.
Main features are:
●
Automatic tracking of sample frequency
●
Fully digital ratio locked loop
●
Sampling clock jitter rejection
●
Up conversion up to 1:2 Ratio
●
Linear phase
8.11
IF band pass
Σ Δ analogue to digital converter (IFADC)
The IFADC is a band pass Sigma Delta A to D converter with sampling rate of 37.05MHz
(nominal) and notch frequency of 10.7MHz. The structure is a second order switched
capacitor multi bit modulator with self calibration algorithm to adjust the notch frequency.
The differential ended input allows 4.0Vpp voltage dynamic range, and reduces the inferred
noise back to the previous stage (tuner), and in turn gives high rejection to common mode
noises.
The high linearity (very high IMD) is needed to fulfill good response of the channel
equalization algorithm.
Low thermal and 1/f noise assures high dynamic range.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA7705TR | AUDIO/VIDEO DEMODULATOR, PQFP64 |
| TDA7705 | AUDIO/VIDEO DEMODULATOR, PQFP64 |
| TDA7718NTR | SPECIALTY CONSUMER CIRCUIT, PDSO28 |
| TDA7718N | SPECIALTY CONSUMER CIRCUIT, PDSO28 |
| TDA7719 | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7580_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:FM/AM digital IF sampling processor |
| TDA758013TR | 功能描述:處理器 - 專門應(yīng)用 FM/AM Digital IF Sample Prcr RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432 |
| TDA7590 | 制造商:STMicroelectronics 功能描述: |
| TDA7590_09 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Digital signal processing IC for speech and audio applications |
| TDA7701 | 制造商:STMicroelectronics 功能描述:BATTERY-OPERATED FULLY INTEGRATED FM TUNER - Trays |
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