Datasheet > ADS-919-C/883

ADS-919-C/883

更新时间： 2024-10-03 03:47:23

品牌	Logo	应用领域
村田 - MURATA		转换器
页数	文件大小	规格书
9页	615K
描述
ADC, Flash Method,

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中文翻译

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数据手册

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ADS-919-C/883 数据手册

ADS-919

14-Bit, 2MHz, Low-Power Sampling A/D Converters

PRODUCT OVERVIEW

The ADS-919 is a high-performance, 14-bit,

2MHz sampling A/D converter. This device

accurately samples full-scale input signals up to

Nyquist frequencies with no missing codes. The

ADS-919 features outstanding dynamic perfor-

mance including a THD of –74dB.

Requiring 1ꢀ5 (or 125) and ꢁꢀ5 supplies,

the ADS-919 typically dissipates 1.8W (1.ꢀW for

125). The unit is offered with a unipolar input (0

to ꢁ105). There are four models of the ADS-919

covering three operating temperature ranges, 0

to ꢁ70°C, -40 to ꢁ8ꢀ°C, –ꢀꢀ to ꢁ12ꢀ°C and one

high reliability “883” model is also available. All

models are housed in the same ceramic package.

Housedinasmall24-pinDDIPorSMT(gull-

wing)package,thefunctionallycompleteADS-919

containsafast-settlingsample-holdampliﬁer,asub- Each model is available in Non-RoHS version or

ranging(two-pass)A/Dconverter,aprecisevoltage

reference,timing/controllogic,anderror correction

circuitry.DigitalinputandoutputlevelsareTTL.

RoHS compliant (-C) version. Applications include

radar, sonar, spectrum analysis, and graphic/

medical imaging.

FEATURES

INPUT/OUTPUT CONNECTIONS

■

PIN FUNCTION

14-bit resolution

BIT 14 (LSB)

BIT 13

BIT 12

BIT 11

BIT 10

BIT 9

–12V/–15V SUPPLY

■

2MHz sampling rate

ANALOG GROUND

+12V/+15V SUPPLY

+10V REFERENCE OUT

ANALOG INPUT

ANALOG GROUND

BIT 1 (MSB)

■

No missing codes

■

Functionally complete

■

Small 24-pin DDIP or SMT package

■

Low power, 1.8 Watts

BIT 8

■

BIT 7

BIT 2

Operates from 1ꢀ5 or 125 supplies ꢂ

ꢁꢀ5 supply

BIT 6

START CONVERT

EOC

BIT 5

■

Edge-triggered; No pipeline delays

BIT 4

DIGITAL GROUND

+5V SUPPLY

■

Unipolar 0 to ꢁ105 input range

BIT 3

BLOCK DIAGRAM

DAC

18 BIT 1 (MSB)

17 BIT 2

+10V REF. OUT 21

REF

12 BIT 3

11 BIT 4

10 BIT 5

FLASH

ADC

BIT 6

BIT 7

S/H

BIT 8

BUFFER

BIT 9

ANALOG INPUT 20

–

BIT 10

BIT 11

BIT 12

BIT 13

BIT 14 (LSB)

START CONVERT 16

EOC 15

TIMING AND

CONTROL LOGIC

+5V SUPPLY

DIGITAL GROUND

+12V/+15V SUPPLY

19, 23

ANALOG GROUND

–12V/–15V SUPPLY

Figure 1. ADS-919 Functional Block Diagram

DATEL

•

11 Cabot Boulevard, Mansﬁeld, MA 02048-1151 USA

•

Tel: (508) 339-3000

•

www.datel.com

•

e-mail: help@datel.com

MDA_ADS-919.B03 Page 1 of 9

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与ADS-919-C/883相关器件

型号	品牌	获取价格	描述	数据表
ADS-919-C883	DATEL	获取价格	Sampling A/D Converters
ADS-919GC		获取价格	14-Bit, 2MHz, Low-Power Sampling A/D Converters
ADS-919G-C/883	MURATA	获取价格	ADC, Flash Method,
ADS-919GC-C	MURATA	获取价格	ADC, Flash Method
ADS-919GC-C	DATEL	获取价格	Sampling A/D Converters
ADS-919GE-C	DATEL	获取价格	Sampling A/D Converters
ADS-919GM		获取价格	14-Bit, 2MHz, Low-Power Sampling A/D Converters
ADS-919GM-C	DATEL	获取价格	Sampling A/D Converters
ADS-919MC		获取价格	14-Bit, 2MHz, Low-Power Sampling A/D Converters
ADS-919MC-C	MURATA	获取价格	ADC, Flash Method

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