參數(shù)資料
型號： THS1206DA
廠商： Texas Instruments, Inc.
英文描述： 12-BIT 6 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTERS
中文描述： 12 - MSPS的第6位，同步采樣模擬數(shù)字轉換器
文件頁數(shù)： 14/41頁
文件大?。?/td> 564K
代理商： THS1206DA
THS1206
12-BIT 6 MSPS, SIMULTANEOUS SAMPLING
ANALOG-TO-DIGITAL CONVERTERS
SLAS217D – MAY 1999 – REVISED APRIL 2000
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
FIFO description
In order to facilitate an efficient connection to today’s processors, the THS1206 is supplied with a FIFO. This
integrated FIFO enables a problem-free processing of data with today’s processors. The FIFO is provided as
a flexible circular buffer. The circular buffer integrated in the THS1206 can store up to 16 conversion values.
Therefore, the amount of interrupts to be served by a processor can be reduced significantly.
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Read Pointer
Trigger Pointer
Write Pointer
Data in FIFO
Free
Figure 6. Circular Buffer
The converted data of the THS1206 is automatically written into the FIFO. To control the writing and reading
process, a write pointer, a read pointer and a trigger pointer are used. The read pointer always shows the
location which will be read next. The write pointer indicates the location which contains the last written sample.
With a selection of multiple analog input channels, the converted values are written in a predefined sequence
to the circular buffer (Autoscan Mode). In this way, the channel information for the reading processor is
continually maintained.
The FIFO can be programmed through the control register of the ADC. The user has the ability to select a
specific trigger level according to Table 13 in order to choose the configuration which best fits the application.
The FIFO provides the signal DATA_AV, which signals the processor to read the amount of data equal to the
trigger level selected in Table 13. The signal DATA_AV becomes active when the trigger condition is satisfied.
The trigger condition is satisfied when as many values as selected for the trigger level where written into the
FIFO.
The signal DATA_AV could be connected to an interrupt input of a processor. In every interrupt service routine
call, the processor must read the amount of data equal to the trigger level from the ADC. The first data represents
the first channel according to the autoscan mode, which is shown in Table 10. The channel information is
therefore always maintained.
相關PDF資料
PDF描述
THS1206MDA 12-BIT 6 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTERS
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相關代理商/技術參數(shù)
參數(shù)描述
THS1206-EP 制造商:TI 制造商全稱:Texas Instruments 功能描述:12-BIT 6 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTERS
THS1206EVM 制造商:Texas Instruments 功能描述:12-BIT 6MSPS QUAD CH. LOW POWER ADC EVM - Bulk 制造商:Texas Instruments 功能描述:THS1206 EVAL MODULE
THS1206IDA 功能描述:模數(shù)轉換器 - ADC 12-Bit 6 MSPS Quad Channel RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
THS1206IDA 制造商:Texas Instruments 功能描述:A/D CONVERTER ((NW))
THS1206IDAG4 功能描述:模數(shù)轉換器 - ADC 12-Bit 6 MSPS Quad Channel RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
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