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參數(shù)資料
| 型號： | XRD8775 |
| 廠商： | Exar Corporation |
| 英文描述： | CMOS 8-Bit High Speed Analog-to-Digital Converter |
| 中文描述： | 的CMOS 8位高速模擬數(shù)字轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 1206K |
| 代理商： | XRD8775 |
EXAR
Corporation, 48720 Kato Road, Fremont, CA 94538
(510) 668-7000
FAX (510) 668-7017
Rev. 4.00
XRD8775
CMOS 8-Bit High Speed
Analog-to-Digital Converter
April 2002-4
FEATURES
· 8-Bit Resolution
· Up to 20MHz Sampling Rate
· Internal S/H Function
· Single Supply: 5V
· V
IN
DC Range: 0V to V
DD
· V
REF
DC Range: 1V to V
DD
· Low Power: 75mW typ. (excluding reference)
· Latch-Up Free
· ESD Protection: 2000V Minimum
· 3V Version: XRD87L75
· Small 20-Pin SOIC/SSOP Packages
APPLICATIONS
· Digital Color Copiers
· Cellular Telephones
· CCD-Based Systems
· Hardware Scanners
· Video Capture Boards
GENERAL DESCRIPTION
The XRD8775 is an 8-bit Analog-to-Digital Converter in
a small 20-pin SOIC/SSOP package. Designed using
an advanced 5V CMOS process, this part offers excel-
lent performance, low power consumption 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 XRD8775 includes an
on-chip S/H function and allows the user to digitize
analog input signals between AGND and AV
. 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
XRD8775.
The designer can choose the internally generated
reference voltages by connecting V
to V
and V
to
V
, or provide external reference voltages to the V
and V
pins. The internal reference generates 0.6V at
V
and 2.6V at V
. Providing external reference
voltages allows easy interface to any input signal range
between GND and V
. 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 +5V supply. Power
consumption is 75mW at F
S
= 15MHz.
Specified for operation over the commercial / industrial
(-40 to +85°C) temperature range, the XRD8775 is
available in Surface Mount (SOIC), Shrink Small Out-
line (SSOP) and Plastic Dual-In-line (PDIP) Packages.
SIMPLIFIED BLOCK AND TIMING DIAGRAM
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XRD8775AID | CMOS 8-Bit High Speed Analog-to-Digital Converter |
| XRD8775AIP | CMOS 8-Bit High Speed Analog-to-Digital Converter |
| XRD8775AIU | CMOS 8-Bit High Speed Analog-to-Digital Converter |
| XRD8799 | LOW POWER, 2 MSPS, 10-BIT, A/D CONVERTER WITH 8-CHANNEL MUX |
| XRD8799AIQ | LOW POWER, 2 MSPS, 10-BIT, A/D CONVERTER WITH 8-CHANNEL MUX |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRD8775AID | 制造商:EXAR 制造商全稱:EXAR 功能描述:CMOS 8-Bit High Speed Analog-to-Digital Converter |
| XRD8775AID-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 |
| XRD8775AIP | 制造商:EXAR 制造商全稱:EXAR 功能描述:CMOS 8-Bit High Speed Analog-to-Digital Converter |
| XRD8775AIP-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 |
| XRD8775AIU | 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 |
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