AD676KDZ

更新时间： 2024-02-08 00:33:39

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
16页	391K
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AD676KDZ 数据手册

16-Bit 100 kSPS

Sampling ADC

AD676

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Autocalibrating

On-Chip Sample-Hold Function

Parallel Output Format

16 Bits No Missing Codes

؎1 LSB INL

ANALOG

CHIP

AGND SENSE

16-BIT

DAC

INPUT

BUFFERS

COMP

REF

–97 dB THD

90 dB S/(N+D)

1 MHz Full Power Bandwidth

AGND

CAL

DAC

LOGIC & TIMING

LEVEL TRANSLATORS

DIGITAL

BUSY

CHIP

SAR

CAL

PAT

GEN

MICRO-CODED

CONTROLLER

SAMPLE

BIT 1 – BIT 16

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

(V_DD) is separated from the analog supplies (V_CC, V_EE) 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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