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| 型号： | THS0842IPFBG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 2-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48 |
| 封装： | GREEN, PLASTIC, TQFP-48 |
| 文件页数： | 23/30页 |
| 文件大小： | 503K |
| 代理商： | THS0842IPFBG4 |
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THS0842
DUAL-INPUT, 8-BIT, 40 MSPS LOW-POWER ANALOG-TO-DIGITAL CONVERTER
WITH SINGLE OR DUAL PARALLEL BUS OUTPUT
SLAS246A – DECEMBER 1999 – REVISED AUGUST 2000
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
ADC pipeline block diagram
SHA
DAC
ADC
+
–
ADC
Correction Logic
Output Buffers
22
2
D0(LSB)–D7(MSB)
2
SHA
The single-pipeline architecture uses 6 ADC/DAC stages and one final flash ADC. Each stage produces a
resolution of 2 bits. Digital correction logic generates its result using the 2-bit result from the first stage, 1 bit from
each of the 5 succeeding stages, and 1 bit from the final stage in order to arrive at an 8-bit result. The correction
logic ensures no missing codes over the full operating temperature range.
circuit diagrams of inputs and outputs
DVDD
AVDD
0.5 pF
Internal
Reference
Generator
REFTO
or
REFBO
AVDD
REFBI
or
REFTI
OE
ALL DIGITAL INPUT CIRCUITS
AIN INPUT CIRCUIT
REFERENCE INPUT CIRCUIT
D0–D7 OUTPUT CIRCUIT
DRVDD
DRVSS
D_Out
D
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相关代理商/技术参数 |
参数描述 |
|---|---|
| THS0842PFB | 制造商:TI 制造商全称:Texas Instruments 功能描述:DUAL-INPUT, 8-BIT, 40 MSPS LOW-POWER ANALOG-TO-DIGITAL CONVERTER WITH SINGLE OR DUAL PARALLEL BUS OUTPUT |
| THS10 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:EURO TERMINAL BLOCKS |
| THS10064 | 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 |
| THS10064CDA | 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 |
| 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 |
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