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參數(shù)資料
| 型號： | AD7851ARZ-REEL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/36頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 14BIT SRL 333KSPS 24-SOIC |
| 標準包裝： | 1,000 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 333k |
| 數(shù)據(jù)接口： | 8051，QSPI?，串行，SPI? µP |
| 轉換器數(shù)目： | 2 |
| 功率耗散（最大）： | 89.25mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SOIC（0.295"，7.50mm 寬） |
| 供應商設備封裝： | 24-SOIC W |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 1 個偽差分，單極；1 個偽差分，雙極 |
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a
AD7851
FUNCTIONAL BLOCK DIAGRAM
AIN (+)
AIN (–)
CREF1
CREF2
CAL
AVDD
AGND
DVDD
DGND
AMODE
CLKIN
SLEEP
CONVST
BUSY
SYNC
SM1
SM2
DIN
DOUT SCLK POLARITY
CHARGE
REDISTRIBUTION
DAC
COMP
4.096V
REFERENCE
AD7851
BUF
T/H
SAR + ADC
CONTROL
CALIBRATION
MEMORY
AND CONTROLLER
SERIAL INTERFACE/CONTROL REGISTER
REFIN/
REFOUT
14-Bit 333 kSPS
Serial A/D Converter
FEATURES
Single 5 V Supply
333 kSPS Throughput Rate/ 2 LSB DNL—A Grade
285 kSPS Throughput Rate/ 1 LSB DNL—K Grade
A and K Grades Guaranteed to 125 C/238 kSPS
Throughput Rate
Pseudo-Differential Input with Two Input Ranges
System and Self-Calibration with Autocalibration on
Power-Up
Read/Write Capability of Calibration Data
Low Power: 60 mW Typ
Power-Down Mode: 5
W Typ Power Consumption
Flexible Serial Interface: 8051/SPI/QSPI/ P Compatible
24-Lead PDIP, SOIC, and SSOP Packages
APPLICATIONS
Digital Signal Processing
Speech Recognition and Synthesis
Spectrum Analysis
DSP Servo Control
Instrumentation and Control Systems
High Speed Modems
Automotive
GENERAL DESCRIPTION
The AD7851 is a high speed, 14-bit ADC that operates from a
single 5 V power supply. The ADC powers up with a set of default
conditions at which time it can be operated as a read-only ADC.
The ADC contains self-calibration and system calibration options
to ensure accurate operation over time and temperature and has a
number of power-down options for low power applications.
The AD7851 is capable of a 333 kHz throughput rate. The
input track-and-hold acquires a signal in 0.33
s and features
a pseudo-differential sampling scheme. The AD7851 has the
added advantage of two input voltage ranges (0 V to VREF and
–VREF/2 to +VREF/2 centered about VREF/2). Input signal
range is to VDD and the part is capable of converting full
power signals to 20 MHz.
CMOS construction ensures low power dissipation (60 mW typ)
with power-down mode (5
W typ). The part is available in a
24-lead, 0.3 inch-wide PDIP, a 24-lead SOIC, and a 24-lead
SSOP package.
PRODUCT HIGHLIGHTS
1. Single 5 V supply.
2. Operates with reference voltages from 4 V to VDD.
3. Analog input ranges from 0 V to VDD.
4. System and self-calibration including power-down mode.
5. Versatile serial I/O port.
REV. B
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
2004 Analog Devices, Inc. All rights reserved.
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD7851ARZ-REEL3 | 制造商:AD 制造商全稱:Analog Devices 功能描述:14-Bit 333 kSPS Serial A/D Converter |
| AD7851KN | 功能描述:IC ADC 14BIT SRL 333KSPS 24-DIP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉換器 系列:- 標準包裝:1 系列:- 位數(shù):14 采樣率（每秒）:83k 數(shù)據(jù)接口:串行，并聯(lián) 轉換器數(shù)目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應商設備封裝:28-PDIP 包裝:管件 輸入數(shù)目和類型:1 個單端，雙極 |
| AD7851KNZ | 功能描述:IC ADC 14BIT SRL 333KSPS 24-DIP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉換器 系列:- 標準包裝:1,000 系列:- 位數(shù):12 采樣率（每秒）:300k 數(shù)據(jù)接口:并聯(lián) 轉換器數(shù)目:1 功率耗散（最大）:75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個單端，單極；1 個單端，雙極 |
| AD7851KR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD7851KR-REEL | 制造商:Analog Devices 功能描述: |
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