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參數(shù)資料
| 型號(hào)： | THS1030CPWLE |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 10-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28 |
| 封裝： | PLASTIC, TSSOP-28 |
| 文件頁(yè)數(shù)： | 4/18頁(yè) |
| 文件大?。?/td> | 239K |
| 代理商： | THS1030CPWLE |
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THS1030
2.7 V ~ 5.5 V, 10-BIT, 30 MSPS
CMOS ANALOG-TO-DIGITAL CONVERTER
SLAS243 – NOVEMBER 1999
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
reference operations (continued)
ADC reference
The MODE pin is used to select the reference source for the ADC.
D Internal ADC Reference: Connect the MODE pin to AVDD to use the reference source for ADC generated
on the VREF pin. (See VREF REFERENCE described in NO TAG) such that (REFTF–REFBF) = VREF and
(REFTF+REFBF)/2 is set to a voltage for optimum operation of the ADC (near AVDD/2).
D External ADC Reference: To supply an external reference source to the ADC, connect the MODE pin to
AGND. An external reference source should be connected to REFTF/REFTS and REFBF/REFBS.
MODE = AGND closes internal switches to allow a Kelvin connection through REFTS/REFBS, and disables
the on-chip amplifiers which drive on to the ADC references. Differential input is not supported
analog input mode
single-ended input
The single-ended input can be configured to work with either an external ADC reference or internal ADC
reference.
D External ADC Reference Mode: A single-ended analog input is accepted at the AIN pin where the input
signal is bounded by the voltages on the REFTS and REFBS pins. Figure 6 shows an example of applying
external reference to REFTS and REFBS pins in which REFTS is connected to the low-impedance 2-V
source and REFBS is connected to the low-impedance 2-V source. REFTS and REFBS may be driven to
any voltage within the supply as long as the difference (REFTS – REFBS) is between 1 V and 2 V as
specified in NO TAG. Figure 7 shows an example of an external reference using a Kelvin connection to
eliminate line voltage drop errors.
SHA
A/D
SW3
REFBF
REFTF
MODE
REFBS
REFTS
10
F
0.1
F
0.1
F
0.1
F
2 V
1 V
AIN
2 V
1 V
THS1030
Figure 6. External ADC Reference Mode
PRODUCT
PREVIEW
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參數(shù)描述 |
|---|---|
| THS1030CPWR | 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 |
| THS1030CPWRG4 | 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 |
| THS1030EVM | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開(kāi)發(fā)工具 THS1030 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| THS1030IDW | 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 |
| THS1030IDWG4 | 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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