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參數(shù)資料
型號(hào)： THS1031IPWG4
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： ADC
英文描述： 1-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
封裝： GREEN, PLASTIC, TSSOP-28
文件頁(yè)數(shù)： 11/41頁(yè)
文件大小： 728K
代理商： THS1031IPWG4
THS1031
3-V TO 5.5-V, 10-BIT, 30 MSPS
CMOS ANALOG-TO-DIGITAL CONVERTER
SLAS242E – NOVEMBER 1999 – REVISED MARCH 2002
19
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
top/bottom mode (MODE = AVDD)
Sample
and
Hold
1
–1/2
ADC
Core
PGA
REFTF = AVDD + (REFTS – REFBS)
AIN+
REFTS
REFBS
Internal
Reference
Buffer
REFBF = AVDD – (REFTS – REFBS)
2
Figure 18. ADC Reference Generation Mode = AVDD
Connecting MODE to AVDD enables the internal reference buffer. Its inputs are internally switched to the REFTS
and REFBS pins and its outputs internally switched to pins REFTF and REFBF. The internal connections
(REFTS to REFTF) and (REFBS to REFBF) are broken.
To match the signal span to the full ADC input span, the voltage difference between REFTS and REFBS should
be REFTS – REFBS = [(FS+) – (FS–)]
× Gain, with the average of the REFTS and REFBS voltages being the
AIN midscale voltage, VM.
Typically, REFSENSE is tied to AVDD to disable the ORG output to VREF (as in Figure 19), but the user can
choose to use the ORG output to VREF as either REFTS or REFBS.
AIN
REFTS
REFBS
REFTF
REFBF
REFSENSE
MODE
AVDD
+FS
–FS
DC SOURCE = VM + [(FS+) – (FS–)]
×
DC SOURCE =VM – [(FS+) – (FS–)]
×
0.1
F
10
F
0.1
F
0.1
F
GAIN
2
GAIN
2
Figure 19. ADC Reference Generation Mode = AVDD
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
THS1031IPWR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 30 MSPS 1-Ch 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
THS1031IPWRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 30 MSPS 1-Ch 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
THS1031SOIC 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:2.7 V . 5.5 V, 10-BIT, 30 MSPS CMOS ANALOG-TO-DIGITAL CONVERTER
THS1031TSSOP 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:2.7 V . 5.5 V, 10-BIT, 30 MSPS CMOS ANALOG-TO-DIGITAL CONVERTER
THS10330RJ 功能描述:線(xiàn)繞電阻器 - 底架安裝 THS10 330R 5% RoHS:否 制造商:Vishay/Dale 電阻:7 Ohms 容差:1 % 功率額定值:100 W 溫度系數(shù):50 PPM / C 系列:RH 工作溫度范圍:- 55 C to + 250 C 尺寸:46.02 mm Dia. x 46.02 mm W x 88.9 mm L x 44.45 mm H 封裝:Bulk 產(chǎn)品:Power Resistors Wirewound Aluminum Housed
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