AD779KN

更新时间： 2024-11-08 22:22:27

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
12页	219K
描述
14-Bit 128 kSPS Complete Sampling ADC

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AD779KN 数据手册

14-Bit 128 kSPS

Complete Sampling ADC

AD779*

FEATURES

FUNCTIO NAL BLO CK D IAGRAM

AC and DC Characterized and Specified (K, B, T

Grades)

128k Conversions per Second

1 MHz Full Pow er Bandw idth

500 kHz Full Linear Bandw idth

80 dB S/ N+D (K, B, T Grades)

Tw os Com plem ent Data Form at (Bipolar Mode)

Straight Binary Data Form at (Unipolar Mode)

10 M⍀ Input Im pedance

16-Bit Bus Interface (See AD679 for 8-Bit Interface)

Onboard Reference and Clock

10 V Unipolar or Bipolar Input Range

MIL-STD-883 Com pliant Versions Available

P RO D UCT D ESCRIP TIO N

P RO D UCT H IGH LIGH TS

T he AD779 is a complete, multipurpose 14-bit monolithic

analog-to-digital converter, consisting of a sample-hold amplifier

(SHA), a microprocessor compatible bus interface, a voltage

reference and clock generation circuitry.

l. COMPLET E INT EGRAT ION: T he AD779 minimizes

external component requirements by combining a high speed

sample-hold amplifier (SHA), ADC, 5 V reference, clock

and digital interface on a single chip. T his provides a fully

specified sampling A/D function unattainable with discrete

designs.

T he AD779 is specified for ac (or “dynamic”) parameters such

as S/N+D ratio, T HD and IMD which are important in signal

processing applications. In addition, the AD779K, B and T

grades are fully specified for dc parameters which are important

in measurement applications.

2. SPECIFICAT IONS: T he AD779K, B and T grades provide

fully specified and tested ac and dc parameters. T he AD779J,

A and S grades are specified and tested for ac parameters; dc

accuracy specifications are shown as typicals. DC specifica-

tions (such as INL, gain and offset) are important in control

and measurement applications. AC specifications (such as

S/N+D ratio, T HD and IMD) are of value in signal process-

ing applications.

T he 14 data bits are accessed by a 16-bit bus in a single read

operation. Data format is straight binary for unipolar mode and

twos complement binary for bipolar mode. T he input has a full-

scale range of 10 V with a full power bandwidth of 1 MHz and a

full linear bandwidth of 500 kHz. High input impedance (10 MΩ)

allows direct connection to unbuffered sources without signal

degradation.

3. EASE OF USE: T he pinout is designed for easy board lay-

out, and the single cycle read output provides compatibility

with 16-bit buses. Factory trimming eliminates the need for

calibration modes or external trimming to achieve rated

performance.

T his product is fabricated on Analog Devices’ BiMOS process,

combining low power CMOS logic with high precision, low

noise bipolar circuits; laser-trimmed thin-film resistors provide

high accuracy. T he converter utilizes a recursive subranging

algorithm which includes error correction and flash converter

circuitry to achieve high speed and resolution.

4. RELIABILIT Y: T he AD779 utilizes Analog Devices’

monolithic BiMOS technology. T his ensures long term

reliability compared to multichip and hybrid designs.

T he AD779 operates from +5 V and ±12 V supplies and

dissipates 560 mW (typ). T wenty-eight-pin plastic DIP and

ceramic DIP packages are available.

5. T he AD779 is available in versions compliant with MIL-

ST D-883. Refer to the Analog Devices Military Products

Databook or current AD779/883B data sheet for detailed

specifications.

*P r otected by U.S. P atent Num ber s 4,804,960; 4,814,767; 4,833,345;

4,250,445; 4,808,908; RE 30,586.

REV. B

Inform ation furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assum ed by Analog Devices for its

use, nor for any infringem ents of patents or other rights of third parties

which m ay result from its use. No license is granted by im plication or

otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.

Tel: 617/ 329-4700

Fax: 617/ 326-8703

12 3 4 5 6 7...12

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AD779KN 替代型号

型号	品牌	替代类型	描述	数据表
AD779KD	ADI	完全替代	14-Bit 128 kSPS Complete Sampling ADC
AD779JD	ADI	完全替代	14-Bit 128 kSPS Complete Sampling ADC

与AD779KN相关器件

型号	品牌	获取价格	描述	数据表
AD779SD	ADI	获取价格	14-Bit 128 kSPS Complete Sampling ADC
AD779SJ	ETC	获取价格	Analog-to-Digital Converter， 14-Bit
AD779TD	ADI	获取价格	14-Bit 128 kSPS Complete Sampling ADC
AD779TJ	ETC	获取价格	Analog-to-Digital Converter， 14-Bit
AD78	BEL	获取价格	RF Connector Adapter, TRB-TRB, Jack-jack
AD780	ADI	获取价格	2.5 V/3.0 V High Precision Reference
AD7801	ADI	获取价格	+2.7 V to +5.5 V, Parallel Input, Voltage Output 8-Bit DAC
AD7801BR	ADI	获取价格	+2.7 V to +5.5 V, Parallel Input, Voltage Output 8-Bit DAC
AD7801BRU	ADI	获取价格	+2.7 V to +5.5 V, Parallel Input, Voltage Output 8-Bit DAC
AD7801BRU-REEL7	ADI	获取价格	+2.7 V to +5.5 V, Parallel Input, Voltage Output 8-Bit DAC

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