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| 型號： | THS1030IPW |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 1-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28 |
| 封裝： | GREEN, PLASTIC, TSSOP-28 |
| 文件頁數(shù)： | 19/37頁 |
| 文件大?。?/td> | 727K |
| 代理商： | THS1030IPW |
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THS1030
3V TO 5.5V, 10BIT, 30 MSPS
CMOS ANALOGTODIGITAL CONVERTER
SLAS243E NOVEMBER 1999 REVISED DECEMBER 2003
26
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
details (continued)
The ac input resistance RAIN is then
RAIN = dIin / dVin
= 1 / (dVin / dIin)
= 1 / (CS x fclk)
driving the VREF pin (differential mode)
Figure 30 shows the equivalent load on the VREF pin when driving the internal reference buffer via this pin
(MODE = AVDD/2 and REFSENSE = AVDD).
AVDD
AGND
AVDD + VREF
VREF
RIN
14 k
REFSENSE = AVDD,
Mode = AVDD
_
+
2
4
Figure 30. Equivalent Circuit of VREF
The current flowing into IIN is given by
I
IN +
3
VREF
* AV
DD
4
R
IN
Note that the actual IIN may differ from this value by up to ±50% due to device-to-device processing variations
and allowing for operating temperature variations.
The user should ensure that VREF is driven from a low noise, low drift source, well-decoupled to analog ground
and capable of driving IIN.
(11)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| THS1030IPWG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 30 MSPS 1-Ch Pin Comp RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| THS1030IPWR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 30 MSPS 1-Ch Pin Comp RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| THS1030IPWRG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 30 MSPS 1-Ch Pin Comp RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| THS1030SOIC | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.7 V . 5.5 V, 10-BIT, 30 MSPS CMOS ANALOG-TO-DIGITAL CONVERTER |
| THS1030TSSOP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.7 V . 5.5 V, 10-BIT, 30 MSPS CMOS ANALOG-TO-DIGITAL CONVERTER |
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