參數(shù)資料
型號： THS1030IDWR
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, SOIC-28
文件頁數(shù)： 14/37頁
文件大?。?/td> 727K
代理商： THS1030IDWR
THS1030
3V TO 5.5V, 10BIT, 30 MSPS
CMOS ANALOGTODIGITAL CONVERTER
SLAS243E NOVEMBER 1999 REVISED DECEMBER 2003
21
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
onboard reference generator configuration (continued)
_
+
VBG
Internal
Reference
Buffer
REFSENSE
AGND
VREF = External
AVDD
_
+
Mode =
AVDD
2
Figure 23. Drive VREF Mode
operating configuration examples
This section provides examples of operating configurations.
Figure 24 shows the operating configuration in top/bottom mode for a 2-V span single-ended input, using VREF
to drive REFTS. Connecting the mode pin to AVDD puts the THS1030 in top/bottom mode. Connecting pin
REFSENSE to AGND sets the output of the ORG to 2 V. REFTS and REFBS are user-connected to VREF and
AGND respectively to match the AIN pin input range to the voltage range of the input signal.
AIN
REFTF
REFBF
REFSENSE
MODE
AVDD
2 V
0 V
0.1
F
10
F
0.1
F
0.1
F
1 V
VREF = 2 V
REFTS
REFBS
Figure 24. Operation Configuration in Top/Bottom Mode
In Figure 25 the input signal is differential, so mode = AVDD/2 (differential mode) is set to allow the inverse signal
to be applied to REFTS and REFBS. The differential input goes from 0.8 V to 0.8 V, giving a total input signal
span of 1.6 V, REFTF REFBF should therefore equal 1.6 V. REFSENSE is connected to resistors RA and RB
(external divider mode) to make VREF = 1.6 V, that is RA/RB = 0.6 (see Figure 22).
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
THS1030IDWRG4 功能描述:視頻模擬/數(shù)字化轉(zhuǎn)換器集成電路 10-Bit 30 MSPS 1-Ch Pin Comp RoHS:否 制造商:Texas Instruments 輸入信號類型:Differential 轉(zhuǎn)換器數(shù)量:1 ADC 輸入端數(shù)量:4 轉(zhuǎn)換速率:3 Gbps 分辨率:8 bit 結(jié)構(gòu): 輸入電壓:3.3 V 接口類型:SPI 信噪比: 電壓參考: 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TCSP-48 封裝:Reel
THS1030IPW 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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
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