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參數資料
| 型號： | XRD87L75AID |
| 廠商： | EXAR CORP |
| 元件分類： | ADC |
| 英文描述： | Low-Voltage CMOS 8-Bit High-Speed Analog-to-Digital Converter |
| 中文描述： | 1-CH 8-BIT FLASH METHOD ADC, PARALLEL ACCESS, PDSO20 |
| 封裝： | 0.300 INCH, SOIC-20 |
| 文件頁數： | 6/15頁 |
| 文件大?。?/td> | 1094K |
| 代理商： | XRD87L75AID |
XRD87L75
6
Rev. 1.00
APPLICATION NOTES
Signals should not exceed AV
+0.5V or go below
AGND -0.5V or DV
+0.5V or DGND -0.5V. All pins
have internal protection diodes that will protect them
from short transients (<100
μ
s) outside the supply
range.
AGND and DGND pins are connected internally through
the P- substrate. DC voltage differences between these
pins will cause undesirable internal substrate currents.
The power supply (AV
DD
) and reference voltage (V
RT
&
V
RB
) pins should be decoupled with 0.1
μ
F and 10
μ
F
capacitors to AGND, placed as close to the chip as
possible.
The digital outputs should not drive long wires or buses.
The capacitive coupling and reflections will contribute
noise to the conversion.
To avoid timing errors, use the rising edge of the sample
clock (CLK) to latch data from the XRD87L75 to other
parts of the system.
The reference can be biased internally by shorting V
RT
to V
and V
to V
. This will generate 0.4V at V
RB
and 1.72V at V
RT
(see
Figure 5.).
If the internal reference pins V
RTS
and/or V
RBS
are not
used they should be left unconnected.
Graph 1. DNL vs. Code
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
0
32
64
96
128
160
192
224
256
Code
D
Vdd = 3.3V
Vrt = 2.5V
Vrb = 0.5V
Fs = 6MHz
Ta = 25
o
C
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| XRD87L75AIP | Low-Voltage CMOS 8-Bit High-Speed Analog-to-Digital Converter |
| XRD87L75AIU | Low-Voltage CMOS 8-Bit High-Speed Analog-to-Digital Converter |
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| XRD87L85AID | Low-Voltage CMOS 8-Bit High-Speed Analog-to-Digital Converter |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| XRD87L75AID-F | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量: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 |
| XRD87L75AIP | 制造商:EXAR 制造商全稱:EXAR 功能描述:Low-Voltage CMOS 8-Bit High-Speed Analog-to-Digital Converter |
| XRD87L75AIP-F | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量: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 |
| XRD87L75AIU | 功能描述:模數轉換器 - ADC 3.3V 8 BIT 10 MSPS ANALOG to DIGITAL RoHS:否 制造商:Texas Instruments 通道數量: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 |
| XRD87L75AIU-F | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量: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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