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| 型號： | AD1970 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Digital BTSC Encoder with Integrated ADC and DAC |
| 中文描述： | 數(shù)字廣播電視系統(tǒng)委員會編碼器與集成ADC和DAC |
| 文件頁數(shù)： | 9/20頁 |
| 文件大?。?/td> | 278K |
| 代理商： | AD1970 |
AD1970
THEORY OF OPERATION
The AD1970 is comprised of a BTSC encoder with stereo
analog inputs and a sync separator to derive the pilot signal
from the composite video stream. Figure 1 shows the block
diagram of the device.
Rev. 0 | Page 9 of 20
Signal processing parameters are stored in a parameter RAM,
which is initialized on power-up by an internal boot ROM. The
values stored in the parameter RAM control all the filter coef-
ficients, mixing, and dynamics-processing code used in the
BTSC algorithm.
The AD1970 has an I
2
C port that supports complete read/write
capability of the parameter RAM, as well as a control port and
several other registers that allow the various signal processing
parameters to be controlled. The AD1970 can run as a stand-
alone processor without external control.
The AD1970 has a very flexible serial data input port that allows
for glueless interconnection to a variety of digital signal sources.
The AD1970 can be configured in left-justified, I
2
S, right-
justified, or DSP serial port-compatible modes. It can support
16, 20, and 24 bits in all modes. The AD1970 accepts serial
audio data in MSB first, twos complement format.
The AD1970 operates from a single 3.3 V power supply. It is
fabricated on a single monolithic integrated circuit and is
housed in a 48-pin LQFP package for operation over the
temperature range of 0°C to 70°C.
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| AD1970JSTZ | 功能描述:IC ENCODER BTSC W/CODEC 48-LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標準包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| AD1970JSTZRL | 功能描述:IC ENCODER BTSC W/CODEC 48-LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標準包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
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| AD1974WBSTZ | 制造商:Analog Devices 功能描述: |
| AD1974WBSTZ-RL | 功能描述:ADC, Audio 24 bit 192k I2S 48-LQFP (7x7) 制造商:analog devices inc. 系列:- 包裝:帶卷（TR） 零件狀態(tài):有效 類型:ADC，音頻 分辨率（位）:24 b 采樣率（每秒）:192k 數(shù)據(jù)接口:I2S 電壓源:模擬和數(shù)字 電壓 - 電源:3 V ~ 3.6 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:48-LQFP 供應(yīng)商器件封裝:48-LQFP（7x7） 標準包裝:2,000 |
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