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參數資料
| 型號： | XRD87L85REVAL |
| 廠商： | Exar Corporation |
| 文件頁數： | 1/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | EVAL BOARD FOR XRD87L85 |
| 產品變化通告： | Obsolescence Notification 15/Apr/2010 |
| 標準包裝： | 1 |
| 系列： | * |
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538
(510) 668-7000 FAX (510) 668-7017
Rev. 1.00
XRD87L85
Low-Voltage CMOS 8-Bit High-Speed
Analog-to-Digital Converter
April 2002-1
FEATURES
8-Bit Resolution
Up to 10 MHz Sampling Rate
Internal S/H Function
Single Supply: 3.3V
VIN DC Range: 0V to V
DD
VREF DC Range: 1V to V
DD
Low Power: 25mW typ. (excluding reference)
GENERAL DESCRIPTION
The XRD87L85 is an 8-bit Analog-to-Digital Converter.
Designed using an advanced 3.3V CMOS process,
this part offers excellent performance, low power con-
sumption, and latch-up free operation.
This device uses a two-step flash architecture to
maintain low power consumption at high conversion
rates. The input circuitry of the XRD87L85 includes an
on-chip S/H function which allows the user to digitize
analog input signals between AGND and AV
DD. Careful
design and chip layout have achieved a low analog
input capacitance. This reduces “kickback” and eases
the requirements of the buffer/amplifier used to drive
the XRD87L85. The designer can choose the internally
generated reference voltages by connecting V
RB to
Latch-Up Free
ESD Protection: 2000V Minimum
20-Pin Package Available: XRD87L75
APPLICATIONS
Digital Color Copiers
Cellular Telephones
CCDs and Scanners
Video Capture Boards
V
RBS and VRT to VRTS, or provide external reference
voltages to the V
RB and VRT pins. The internal reference
generates 0.4V at V
RB and 1.72V at VRT. Providing
external reference voltages allows easy interface to
any input signal range between AGND and AV
DD. This
also allows the system to adjust these voltages to
cancel zero scale and full scale errors, or to change the
input range as needed.
The device operates from a single +3.3V supply.
Power consumption is 25mW at FS = 6MHz. Specified
for operation over the commercial/industrial (–40 to
+85°C) temperature range, the XRD87L85 is available
in Plastic Dual-in-line (PDIP), Surface Mount (SOIC)
and Small Outline (SOP) packages in EIAJ and
JEDEC.
SIMPLIFIED BLOCK AND TIMING DIAGRAM
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相關代理商/技術參數 |
參數描述 |
|---|---|
| XRD87L85SEVAL | 功能描述:數據轉換 IC 開發工具 Eval Board for XRD87L85AR RoHS:否 制造商:Texas Instruments 產品: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 |
| XRD87L99 | 制造商:EXAR 制造商全稱:EXAR 功能描述:LOW POWER, 2 MSPS, 10-BIT, A/D CONVERTER WITH 8-CHANNEL MUX |
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