參數(shù)資料
型號: THS1206CDARG4
廠商: TEXAS INSTRUMENTS INC
元件分類: ADC
英文描述: 4-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
封裝: GREEN, PLASTIC, TSSOP-32
文件頁數(shù): 28/43頁
文件大?。?/td> 722K
代理商: THS1206CDARG4
THS1206
SLAS217H – MAY 1999 – REVISED JULY 2003#
www.ti.com
34
INTERFACING THE THS1206 TO THE TMS320C6201 DSP
The following application circuit shows an interface of the THS1206 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
THS1206–1
CS0
CS1
RD
WR
DATA_AV
DATA
CONV_CLK
THS1206–2
TMS320C6201
CE1
EA20
ARE
AWE
EXT_INT6
DATA
TOUT1
TOUT2
EA21
EXT_INT7
ANALOG INPUT CONFIGURATION AND REFERENCE VOLTAGE
The THS1206 features four analog input channels. These can be configured for either single-ended or differential
operation. Best performance is achieved in differential mode. Figure 40 shows a simplified model, where a single-ended
configuration for channel AINP is selected. The reference voltages for the ADC itself are VREFP and VREFM (either internal
or external reference voltage). The analog input voltage range goes from VREFM to VREFP. This means that VREFM defines
the minimum voltage, which can be applied to the ADC. VREFP defines the maximum voltage, which can be applied to the
ADC. The internal reference source provides the voltage VREFM of 1.5 V and the voltage VREFP of 3.5 V. The resulting
analog input voltage swing of 2 V can be expressed by:
V
REFM v
AINP
v V
REFP
12-Bit
ADC
VREFP
VREFM
AINP
Figure 40. Single-Ended Input Stage
(1)
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相關代理商/技術參數(shù)
參數(shù)描述
THS1206DA 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
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))