参数资料
型号: THS10064CDA
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
封装: GREEN, PLASTIC, TSSOP-32
文件页数: 27/42页
文件大小: 527K
代理商: THS10064CDA
THS10064
SLAS255B – DECEMBER 1999 – REVISED DECEMBER 2002
www.ti.com
33
INTERFACING THE THS10064 TO THE TMS320C6201 DSP
The following application circuit shows an interface of the THS10064 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
THS10064–1
CS0
CS1
RD
WR
DATA_AV
DATA
CONV_CLK
THS10064–2
TMS320C6201
CE1
EA20
ARE
AWE
EXT_INT6
DATA
TOUT1
TOUT2
EA21
EXT_INT7
ANALOG INPUT CONFIGURATION AND REFERENCE VOLTAGE
The THS10064 features four analog input channels. These can be configured for either single-ended or differential
operation. Best performance is achieved in differential mode. Figure 42 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
10-Bit
ADC
VREFP
VREFM
AINP
Figure 42. Single-Ended Input Stage
(1)
相关PDF资料
PDF描述
THS10064IDA 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
THS10064CDAR 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
THS10064IDAR 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
THS10064IDAG4 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
THS1007CDA 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
相关代理商/技术参数
参数描述
THS10064CDAG4 功能描述:模数转换器 - ADC 10-Bit 6 MSPS Quad Ch DSP/uP Ifc RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
THS10064CDAR 功能描述:模数转换器 - ADC 10-Bit 6 MSPS Quad Ch DSP/uP Ifc RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
THS10064CDARG4 功能描述:模数转换器 - ADC 10-Bit 6 MSPS Quad Ch DSP/uP Ifc RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
THS10064DA 制造商:TI 制造商全称:Texas Instruments 功能描述:10-BIT 6 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTER
THS10064EVM 制造商:Texas Instruments 功能描述:THS10064 10-BIT, 6 MSPS, DC EVM - Bulk