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| 型号： | THS1040CDW |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 1-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28 |
| 封装： | GREEN, PLASTIC, SOIC-28 |
| 文件页数： | 16/36页 |
| 文件大小： | 751K |
| 代理商： | THS1040CDW |
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THS1040
SLAS290C OCTOBER 2001 REVISED OCTOBER 2004
23
www.ti.com
PRINCIPLES OF OPERATION
power management
In power-sensitive applications (such as battery-powered systems) where the THS1040 is not required to
convert continuously, power can be saved between conversion intervals by placing the THS1040 into
power-down mode. This is achieved by pulling the STBY pin high. In power-down mode, the device typically
consumes less than 0.1 mW of power.
If the internal VREF generator (A1) is not required, it can be powered down by tying pin REFSENSE to AVDD,
saving approximately 1.2 mA of supply current.
If the BIASREF function is not required when using internal references then tying MODE to AVDD/2 powers the
BIASREF buffer down, saving approximately 1.2 mA.
digital I/O
While the OE pin is held low, ADC conversion results are output at pins D0 (LSB) to D9 (MSB). The ADC input
over-range indicator is output at pin OVR. OVR is also disabled when OE is held high.
The only ADC output data format supported is unsigned binary (output codes 0 to 1023). Twos complement
output (output codes 512 to 511) can be obtained by using an external inverter to invert the D9 output.
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相关代理商/技术参数 |
参数描述 |
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| THS1040CDWG4 | 功能描述:模数转换器 - ADC 10 Bit 40 MSPS Low Power ADC 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 |
| THS1040CDWR | 功能描述:模数转换器 - ADC 10 Bit 40 MSPS Low Power ADC 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 |
| THS1040CDWRG4 | 功能描述:模数转换器 - ADC 10 Bit 40 MSPS Low Power ADC 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 |
| THS1040CPW | 功能描述:模数转换器 - ADC 10 Bit 40 MSPS Low Power ADC 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 |
| THS1040CPWG4 | 功能描述:模数转换器 - ADC 10 Bit 40 MSPS Low Power ADC 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 |
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