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參數(shù)資料
| 型號： | XRD87L85AIP |
| 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, PDIP24 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-24 |
| 文件頁數(shù)： | 6/15頁 |
| 文件大?。?/td> | 1216K |
| 代理商： | XRD87L85AIP |
XRD87L85
6
Rev. 1.00
Figure 5. Equivalent Input Circuit
Figure 6. Typical Circuit Connections
APPLICATION NOTES
Signals should not exceed V
+0.5V or go below GND
–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 be-
tween GND pins will cause undesirable internal sub-
strate currents.
The power supply (V
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 XRD87L85 to other
parts of the system.
The reference can be biased internally by shorting V
RT
to V
RTS
and V
RB
to V
RBS
. 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.
The output enable pin (OE) should not be left uncon-
nected. If not controlled by an active signal, then it must
be tied to a logic low value.
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| XRD87L85REVAL | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 Eval Board for XRD87L85AR RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| XRD87L85SEVAL | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 Eval Board for XRD87L85AR RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| XRD87L94AID | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 12-Bit |
| XRD87L94AIK | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 12-Bit |
| XRD87L94AIP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 12-Bit |
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