參數(shù)資料
型號： THS12082DA
廠商： Texas Instruments, Inc.
英文描述： 12-BIT, 8 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTERS
中文描述： 12位，8 MSPS的同步采樣模擬數(shù)字轉(zhuǎn)換器
文件頁數(shù)： 27/38頁
文件大?。?/td> 517K
代理商： THS12082DA
THS12082
12-BIT, 8 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTERS
SLAS271 – MAY 2000
27
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
interfacing the THS12082 to the TMS320C6201 DSP
The following application circuit shows an interface of the THS12082 to the TMS320C6201. The read (using
RD, RD-controlled) and write timings (using WR, WR-controlled) shown before are valid for this specific
interface.
CS0
CS1
RD
WR
DATA_AV
DATA
CONV_CLK
THS12082–1
CS0
CS1
RD
WR
DATA_AV
DATA
CONV_CLK
THS12082–2
TMS320C6201
CE1
EA20
ARE
AWE
EXT_INT6
DATA
TOUT1
TOUT2
EA21
EXT_INT7
analog input configuration and reference voltage
The THS12082 features two analog input channels. These can be configured for either single-ended or
differential operation. Best performance is achieved in differential mode. Figure 15 shows a simplified model,
where a single-ended configuration for channel AINP is selected. The reference voltages for the ADC itself are
V
REFP
and V
REFM
(either internal or external reference voltage). The analog input voltage range goes from
V
REFM
to V
REFP
. This means that V
REFM
defines the minimum voltage, which can be applied to the ADC. V
REFP
defines the maximum voltage, which can be applied to the ADC. The internal reference source provides the
voltage V
REFM
of 1.5 V and the voltage V
REFP
of 3.5 V. The resulting analog input voltage swing of 2 V can be
expressed by:
VREFM
AINP
VREFP
12-Bit
ADC
VREFP
VREFM
AINP
Figure 15. Single-Ended Input Stage
P
(1)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
THS12082EVM 功能描述:EVALUATION MODULE FOR THS12082 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標準）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件
THS12082IDA 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12 Bit 8 MSPS Dual Ch RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
THS12082IDAG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12 Bit 8 MSPS Dual Ch RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
THS12082IDAR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12 Bit 8 MSPS Dual Ch RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
THS12082IDARG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12 Bit 8 MSPS Dual Ch RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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