參數(shù)資料
型號(hào)： XRD87L75AIU
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： 5.30 MM, SSOP-20
文件頁(yè)數(shù)： 6/15頁(yè)
文件大?。?/td> 1094K
代理商： XRD87L75AIU
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRD87L75AIU-F 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
XRD87L75AIUTR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 3.3V 8 BIT 10 MSPS ANALOG to DIGITAL 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
XRD87L75AIUTR-F 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
XRD87L85 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
XRD87L85AID 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
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