ADS-919MC Murata Power Solutions Inc, ADS-919MC Datasheet

ADS-919MC

Manufacturer Part Number

ADS-919MC

Description

Analog To Digital Converter

Manufacturer

Murata Power Solutions Inc

Datasheets

1.ADS-919MC.pdf (8 pages)

2.ADS-919MC.pdf (9 pages)

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FEATURES

GENERAL DESCRIPTION

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 performance including

a THD of –74dB.

Housed in a small 24-pin DDIP or SMT (gull-wing) package,

the functionally complete ADS-919 contains a fast-settling

sample-hold amplifier, a subranging (two-pass) A/D converter,

a precise voltage reference, timing/control logic, and error-

correction circuitry. Digital input and output levels are TTL.

Requiring ±15V (or ±12V) and +5V supplies, the ADS-919

typically dissipates 1.8W (1.5W for ±12V). The unit is offered

with a unipolar input (0 to +10V). Models are available for use

in either commercial (0 to +70°C) or military (–55 to +125°C)

operating temperature ranges. Applications include radar,

sonar, spectrum analysis, and graphic/medical imaging.

DATEL, Inc., 11 Cabot Boulevard, Mansfield, MA 02048-1151 (U.S.A.)

A SUBSIDIARY OF C&D TECHNOLOGIES

14-bit resolution

2MHz sampling rate

No missing codes

Functionally complete

Small 24-pin DDIP or SMT package

Low power, 1.8 Watts

Operates from ±15V or ±12V supplies

Edge-triggered; No pipeline delays

Unipolar 0 to +10V input range

START CONVERT 16

ANALOG INPUT 20

+10V REF. OUT 21

EOC 15

+5V SUPPLY

–

CONTROL LOGIC

TIMING AND

DIGITAL GROUND

S/H

Figure 1. ADS-919 Functional Block Diagram

+12V/+15V SUPPLY

Tel: (508) 339-3000 Fax: (508) 339-6356

BUFFER

FLASH

ADC

REF

FUNCTION

BIT 14 (LSB)

BIT 13

BIT 12

BIT 11

BIT 10

BIT 9

BIT 8

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

ANALOG GROUND

INPUT/OUTPUT CONNECTIONS

Sampling A/D Converters

19, 23

14-Bit, 2MHz, Low-Power

DAC

For immediate assistance: (800) 233-2765

–12V/–15V SUPPLY

ANALOG GROUND

+12V/+15V SUPPLY

+10V REFERENCE OUT

ANALOG INPUT

ANALOG GROUND

BIT 1 (MSB)

BIT 2

START CONVERT

EOC

DIGITAL GROUND

+5V SUPPLY

FUNCTION

ADS-919

18 BIT 1 (MSB)

17 BIT 2

12 BIT 3

11 BIT 4

10 BIT 5

BIT 6

BIT 7

BIT 8

BIT 9

BIT 10

BIT 11

BIT 12

BIT 13

BIT 14 (LSB)

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