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參數資料
| 型號： | THS1206MDAREP |
| 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： | 42/43頁 |
| 文件大?。?/td> | 799K |
| 代理商： | THS1206MDAREP |
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THS1206EP
12BIT 6 MSPS, SIMULTANEOUS SAMPLING
ANALOGTODIGITAL CONVERTERS
SGLS126A JULY 2002 REVISED FEBRUARY 2003
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
detailed description
reference voltage
The THS1206 has a built-in reference, which provides the reference voltages for the ADC. VREFP is set to 3.5 V
and VREFM is set to 1.5 V. An external reference can also be used through two reference input pins, REFP and
REFM, if the reference source is programmed as external. The voltage levels applied to these pins establish
the upper and lower limits of the analog inputs to produce a full-scale and zero-scale reading respectively.
analog inputs
The THS1206 consists of 4 analog inputs, which are sampled simultaneously. These inputs can be selected
individually and configured as single-ended or differential inputs. The desired analog input channel can be
programmed.
converter
The THS1206 uses a 12-bit pipelined multistaged architecture with 4 1-bit stages followed by 4 2-bit stages,
which achieves a high sample rate with low power consumption. The THS1206 distributes the conversion over
several smaller ADC sub-blocks, refining the conversion with progressively higher accuracy as the device
passes the results from stage to stage. This distributed conversion requires a small fraction of the number of
comparators used in a traditional flash ADC. A sample-and-hold amplifier (SHA) within each of the stages
permits the first stage to operate on a new input sample while the second through the eighth stages operate
on the seven preceding samples.
conversion modes
The conversion can be performed in two different conversion modes. In the single conversion mode, the
conversion is initiated by an external signal (CONVST). An internal oscillator controls the conversion time. In
the continuous conversion mode, an external clock signal is applied to the clock input (CONV_CLK). A new
conversion is started with every falling edge of the applied clock signal.
sampling rate
The maximum possible conversion rate per channel is dependent on the selected analog input channels.
Table 1 shows the maximum conversion rate in the continuous conversion mode for different combinations.
Table 1. Maximum Conversion Rate in Continuous Conversion Mode
CHANNEL CONFIGURATION
NUMBER OF
CHANNELS
MAXIMUM CONVERSION
RATE PER CHANNEL
1 single-ended channel
1
6 MSPS
2 single-ended channels
2
3 MSPS
3 single-ended channels
3
2 MSPS
4 single-ended channels
4
1.5 MSPS
1 differential channel
1
6 MSPS
2 differential channels
2
3 MSPS
1 single-ended and 1 differential channel
2
3 MSPS
2 single-ended and 1 differential channels
3
2 MSPS
The maximum conversion rate in the continuous conversion mode per channel, fc, is given by:
fc
+ 6MSPS
# channels
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| THS1207IDA | 4-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32 |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| THS1206M-EVM | 功能描述:數據轉換 IC 開發工具 THS1206M Eval Module RoHS:否 制造商:Texas Instruments 產品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| THS1206QDA | 功能描述:模數轉換器 - ADC 12-Bit 6 MSPS Quad Channel RoHS:否 制造商:Texas Instruments 通道數量: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 |
| THS1206QDAR | 功能描述:模數轉換器 - ADC 12 Bit 6 MSPS Quad Channel RoHS:否 制造商:Texas Instruments 通道數量: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 |
| THS1207 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:12 bit 4 ANALOG INPUT 6 MSPS SIMULTANEOUS SAMPLING |
| THS1207CDA | 功能描述:模數轉換器 - ADC 12-Bit 6MSPS Simult Sampling Quad Ch RoHS:否 制造商:Texas Instruments 通道數量: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 |
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