參數(shù)資料
型號： TLV1562IPWG4
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
封裝： 0.65 MM PITCH, GREEN, TSSOP-28
文件頁數(shù)： 2/41頁
文件大?。?/td> 600K
代理商： TLV1562IPWG4
TLV1562
2.7 V TO 5.5 V, HIGH-SPEED LOW-POWER RECONFIGURABLE ANALOG-TO-DIGITAL
CONVERTER WITH 4-INPUT, DUAL S/H, PARALLEL INTERFACE, AND POWER DOWN
SLAS162 – SEPTEMBER 1998
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
reference voltage inputs
The TLV1562 has two reference input pins: REFP and REFM. The voltage levels applied to these pins establish
the upper and lower limits of the analog inputs to produce a full-scale and zero-scale reading respectively. The
values of VREFP, VREFM, and the analog input should not exceed the positive supply or be less than GND
consistent with the specified absolute maximum ratings. The digital output is at full scale when the input signal
is equal to or higher than VREFP and is at zero when the input signal is equal to or lower than VREFM. The
internal resistance from VREFP to VREFM may be as low as 20 k
(±10%).
The reference voltages must satisfy the following conditions:
VREFP
≤ AVDD – 1 V,
AGND + 0.9 V < VREFM and
3 V
≥ (VREFP – VREFM) ≥ 0.8 V
VREFP
Cpad
= 10 pF
Cin = 1 pF
VREFM
Cpad
= 10 pF
Cin = 1 pF
10 k
10 k
VREFCM
Ron
Rs
Figure 7. Equivalent Circuit for Reference input
相關PDF資料
PDF描述
TLV1562CPWLE 2-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
TLV1562IPWLE 2-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
TLV1562IDWRG4 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
TLV1570CPWG4 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
TLV1570IDWG4 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
相關代理商/技術參數(shù)
參數(shù)描述
TLV1570 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.7 V TO 5.5 V 8-CHANNEL 10-BIT 1.25-MSPS SERIAL ANALOG-TO-DIGITAL CONVERTER
TLV1570CDW 功能描述:模數(shù)轉換器 - ADC 10bit 1.25MSPS Ser RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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
TLV1570CDWG4 功能描述:模數(shù)轉換器 - ADC 10-Bit 1.25 MSPS 8-Ch DSP RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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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TLV1570CDWRG4 功能描述:模數(shù)轉換器 - ADC 10-Bit 1.25 MSPS 8-Ch DSP RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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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