參數(shù)資料
型號： THS1030IPWR
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)： 11/37頁
文件大小： 727K
代理商： THS1030IPWR
THS1030
3V TO 5.5V, 10BIT, 30 MSPS
CMOS ANALOGTODIGITAL CONVERTER
SLAS243E NOVEMBER 1999 REVISED DECEMBER 2003
19
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
onboard reference generator configuration
The onboard reference generator (ORG) can provide a supply-voltage-independent and temperature-
independent voltage on pin VREF.
External connections to REFSENSE control the ORG’s output to the VREF pin as shown in Table 2.
Table 2. Effect of REFSENSE Connection on VREF Value
REFSENSE CONNECTION
ORG OUTPUT TO VREF
REFER TO:
VREF pin
1 V
Figure 20
AGND
2 V
Figure 21
External divider junction
(1 + RA/RB)
Figure 22
AVDD
Open circuit
Figure 23
REFSENSE = AVDD powers the ORG down, saving power when the ORG function is not required.
If MODE = AVDD/2, the voltage on VREF determines the ADC reference voltages:
REFTF
+
AV
DD
2
) VREF
2
REFBF
+
AV
DD
2
* VREF
2
REFTF
* REFBF + VREF
_
+
_
+
VBG
Internal
Reference
Buffer
Mode =
REFSENSE
0.1
F 1 F
Tantalum
AGND
VREF = 1 V
AVDD
2
Figure 20. 1-V VREF Using ORG
(6)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
THS1031 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
THS1031CDW 功能描述:模數(shù)轉(zhuǎn)換器 - ADC _ 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
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