ADS-942MC Murata Power Solutions Inc, ADS-942MC Datasheet

ADS-942MC

Manufacturer Part Number

ADS-942MC

Description

Analog To Digital Converter

Manufacturer

Murata Power Solutions Inc

Datasheets

1.ADS-942MC.pdf (6 pages)

2.ADS-942MC.pdf (6 pages)

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FEATURES

GENERAL DESCRIPTION

DATEL's ADS-942 is a functionally complete, 14-bit, 2MHz,

sampling A/D converter. Its standard, 32-pin, triple-wide

ceramic DIP contains a fast-settling sample/hold amplifier, a

14-bit subranging (two-pass) A/D converter, a precision

reference, three-state output register and all the timing and

control logic necessary to operate from a single start

convert pulse.

The ADS-942 is optimized for wideband frequency-domain

applications and is fully FFT tested. The ADS-942 requires

±15V and +5V supplies and typically consumes 2.9 Watts.

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

14-bit resolution

2MHz minimum throughput

Functionally complete

Internal reference and sample/hold

-85dB total harmonic distortion

78dB signal-to-noise ratio

Full Nyquist-rate sampling

Small 32-pin DIP

Low-power, 2.9 Watts

START CONVERT 32

OFFSET ADJUST 5

ANALOG INPUT 3

+10V REF. OUT 1

BIPOLAR 2

EOC 16

GROUND

SIGNAL

CONTROL LOGIC

S/H

TIMING AND

OFFSET

CIRCUIT

SUPPLY

+5V

Figure 1. ADS-942 Functional Block Diagram

GROUND

DIGITAL

BUFFER

FLASH

ADC

REF

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

SUPPLY

+15V

GROUND

ANALOG

DAC

6, 14, 15

+10V REF. OUT

BIPOLAR

ANALOG INPUT

SIGNAL GROUND

OFFSET ADJUST

ANALOG GROUND

OVERFLOW

CODING SELECT

ENABLE

+5V SUPPLY

DIGITAL GROUND

+15V SUPPLY

–15V SUPPLY

ANALOG GROUND

EOC

FUNCTION

INPUT/OUTPUT CONNECTIONS

Sampling A/D Converters

SUPPLY

–15V

For immediate assistance: (800) 233-2765

CODING

SELECT

14-Bit, 2MHz

ADS-942

START CONVERT

BIT 1 OUT (MSB)

BIT 2 OUT

BIT 3 OUT

BIT 4 OUT

BIT 5 OUT

BIT 6 OUT

BIT 7 OUT

BIT 8 OUT

BIT 9 OUT

BIT 10 OUT

BIT 11 OUT

BIT 12 OUT

BIT 13 OUT

BIT 14 OUT (LSB)

FUNCTION

31 BIT 1 OUT (MSB)

30 BIT 1 OUT (MSB)

29 BIT 2 OUT

28 BIT 3 OUT

27 BIT 4 OUT

26 BIT 5 OUT

25 BIT 6 OUT

24 BIT 7 OUT

23 BIT 8 OUT

22 BIT 9 OUT

21 BIT 10 OUT

20 BIT 11 OUT

19 BIT 12 OUT

18 BIT 13 OUT

17 BIT 14 OUT (LSB)

9 ENABLE

7 OVERFLOW

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