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| 型号： | TLV571IDWRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO24 |
| 封装： | GREEN, PLASTIC, SOIC-24 |
| 文件页数： | 22/28页 |
| 文件大小： | 429K |
| 代理商： | TLV571IDWRG4 |
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TLV571
2.7 V TO 5.5 V, 1-CHANNEL, 8-BIT,
PARALLEL ANALOG-TO-DIGITAL CONVERTER
SLAS239A – SEPTEMBER 1999 – REVISED FEBRUARY 2000
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
detailed description
analog-to-digital SAR converter
_
+
Charge
Redistribution
DAC
SAR
Register
REFM
ADC Code
Control
Logic
Ain
Figure 1
The TLV571 is a successive-approximation ADC utilizing a charge redistribution DAC. Figure 1 shows a
simplified version of the ADC.
The sampling capacitor acquires the signal on Ain during the sampling period. When the conversion process
starts, the SAR control logic and charge redistribution DAC are used to add and subtract fixed amounts of charge
from the sampling capacitor to bring the comparator into a balanced condition. When the comparator is
balanced, the conversion is complete and the ADC output code is generated.
sampling frequency, fs
The TLV571 requires 16 CLKs for each conversion, therefore the equivalent maximum sampling frequency
achievable with a given CLK frequency is:
fs(max) = (1/16) fCLK
The TLV571 is software configurable. The first two MSB bits, D(7,6) are used to address which register to set.
The remaining six bits are used as control data bits. There are two control registers, CR0 and CR1, that are user
configurable. All of the register bits are written to the control register during write cycles. A description of the
control registers is shown in Figure 2.
相关PDF资料 |
PDF描述 |
|---|---|
| TLV571IDWR | 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO24 |
| TLV571IPWR | 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO24 |
| TLV571IDWG4 | 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO24 |
| TLV571IDW | 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO24 |
| TLV571IPWG4 | 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO24 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TLV571IPW | 功能描述:模数转换器 - ADC 8bit SAR A/D 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 |
| TLV571IPWG4 | 功能描述:模数转换器 - ADC 8-Bit 1.25 MSPS Single Ch. 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 |
| TLV571PW | 制造商:TI 制造商全称:Texas Instruments 功能描述:2.7 V TO 5.5 V, 1-CHANNEL, 8-BIT, PARALLEL ANALOG-TO-DIGITAL CONVERTER |
| TLV5734 | 制造商:TI 制造商全称:Texas Instruments 功能描述:TRIPLE 8 BIT 30 MSPS ADC WITH HIGH -PRECISION CLAMP FOR YUV/RGB VIDEO |
| TLV5734PAG | 功能描述:视频模拟/数字化转换器集成电路 8B 30MSPS ADC Triple Ch Digital Clamp RoHS:否 制造商:Texas Instruments 输入信号类型:Differential 转换器数量:1 ADC 输入端数量:4 转换速率:3 Gbps 分辨率:8 bit 结构: 输入电压:3.3 V 接口类型:SPI 信噪比: 电压参考: 电源电压-最大:3.45 V 电源电压-最小:3.15 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:TCSP-48 封装:Reel |
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