ADS-917MC Murata Power Solutions Inc, ADS-917MC Datasheet

ADS-917MC

Manufacturer Part Number

ADS-917MC

Description

Analog To Digital Converter

Manufacturer

Murata Power Solutions Inc

Datasheets

1.ADS-917MC.pdf (8 pages)

2.ADS-917MC.pdf (8 pages)

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FEATURES

GENERAL DESCRIPTION

The ADS-917 is a high-performance, 14-bit, 1MHz sampling

A/D converter. This device samples input signals up to Nyquist

frequencies with no missing codes. The ADS-917 features

outstanding dynamic performance including a THD of –80dB.

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

the functionally complete ADS-917 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-917

dissipates 1.9W (1.6W for ±12V) maximum. 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.)

14-bit resolution

1MHz sampling rate

Functionally complete; No missing codes

Edge-triggered; No pipeline delays

Small 24-pin DDIP or SMT package

Low power, 1.9 Watts maximum

Operates from ±15V or ±12V supplies

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-917 Functional Block Diagram

+12V/+15V SUPPLY

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

BUFFER

FLASH

REF

ADC

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

14-Bit, 1MHz, Low-Power

19, 23

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-917

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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