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參數資料
| 型號： | TLV1578CDA |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO32 |
| 封裝： | GREEN, PLASTIC, TSSOP-32 |
| 文件頁數： | 33/33頁 |
| 文件大小： | 627K |
| 代理商： | TLV1578CDA |
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TLV1571, TLV1578
2.7 V TO 5.5 V, 1-/8-CHANNEL, 10-BIT,
PARALLEL ANALOG-TO-DIGITAL CONVERTERS
SLAS170D –MARCH 1999 – REVISED JULY 2000
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
start of conversion mechanism
There are two ways to convert data: hardware and software. In the hardware conversion mode the ADC begins
sampling at the falling edge of CSTART and begins conversion at the rising edge of CSTART. Software start
mode ADC samples for 6 clocks, then conversion occurs for ten clocks. The total sampling and conversion
process lasts only 16 clocks in this case. If RD is not detected during the next clock cycle, the ADC automatically
proceeds to a power-down state. Data is valid on the rising edge of INT in both conversion modes.
hardware CSTART conversion
external clock
With CS low and WR low, data is written into the ADC. The sampling begins at the falling edge of CSTART and
conversion begins at the rising edge of CSTART. At the end of conversion, EOC goes from low to high, telling
the host that conversion is ready to be read out. The external clock is active and is used as the reference at all
times. With this mode, it is required that CSTART is not applied at the rising edge of the clock (see Figure 4).
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| TLV1578CDARG4 | 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO32 |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TLV1578CDAG4 | 功能描述:模數轉換器 - ADC 8-Ch 10-Bit 1.25MSPS 8-Ch DSP/SPI 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 |
| TLV1578CDAR | 功能描述:模數轉換器 - ADC 8-Ch 10-Bit 1.25MSPS 8-Ch DSP/SPI 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 |
| TLV1578CDARG4 | 功能描述:模數轉換器 - ADC 8-Ch 10-Bit 1.25MSPS 8-Ch DSP/SPI 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 |
| TLV1578IDA | 功能描述:模數轉換器 - ADC 10bit 1.2 MSPS PA 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 |
| TLV1578IDAG4 | 功能描述:模數轉換器 - ADC 8-Ch 10-Bit 1.25MSPS 8-Ch DSP/SPI 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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