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AD676JN PDF预览

AD676JN

更新时间: 2024-11-09 12:55:03
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
16页 391K
描述
16-Bit 100 kSPS Sampling ADC

AD676JN 数据手册

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16-Bit 100 kSPS  
Sampling ADC  
a
AD676  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
Autocalibrating  
On-Chip Sample-Hold Function  
Parallel Output Format  
16 Bits No Missing Codes  
؎1 LSB INL  
ANALOG  
CHIP  
V
15  
14  
IN  
AGND SENSE  
16-BIT  
DAC  
INPUT  
BUFFERS  
COMP  
V
1
16  
REF  
–97 dB THD  
90 dB S/(N+D)  
1 MHz Full Power Bandwidth  
13  
AGND  
CAL  
DAC  
LOGIC & TIMING  
LEVEL TRANSLATORS  
DIGITAL  
BUSY  
7
CHIP  
SAR  
1
6
8
9
CAL  
PAT  
GEN  
L
A
T
C
H
MICRO-CODED  
CONTROLLER  
SAMPLE  
BIT 1 – BIT 16  
19  
28  
ALU  
RAM  
CLK 10  
PRODUCT DESCRIPTION  
The AD676 is a multipurpose 16-bit parallel output analog-to-  
digital converter which utilizes a switched-capacitor/charge  
redistribution architecture to achieve a 100 kSPS conversion  
rate (10 µs total conversion time). Overall performance is opti-  
mized by digitally correcting internal nonlinearities through  
on-chip autocalibration.  
AD676  
The AD676 operates from +5 V and ±12 V supplies and typi-  
cally consumes 360 mW during conversion. The digital supply  
(VDD) is separated from the analog supplies (VCC, VEE) for re-  
duced digital crosstalk. An analog ground sense is provided for  
the analog input. Separate analog and digital grounds are also  
provided.  
The AD676 circuitry is segmented onto two monolithic chips—  
a digital control chip fabricated on Analog Devices DSP CMOS  
process and an analog ADC chip fabricated on our BiMOS II  
process. Both chips are contained in a single package.  
The AD676 is specified for ac (or “dynamic”) parameters such  
as S/(N+D) Ratio, THD and IMD which are important in sig-  
nal processing applications. In addition, dc parameters are  
specified which are important in measurement applications.  
The AD676 is available in a 28-pin plastic DIP or 28-pin side-  
brazed ceramic package. A serial-output version, the AD677, is  
available in a 16-pin 300 mil wide ceramic or plastic package.  
REV. A  
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  
which may result from its use. No license is granted by implication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 617/329-4700  
Fax: 617/326-8703  

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