ADS-937MC Murata Power Solutions Inc, ADS-937MC Datasheet

ADS-937MC

Manufacturer Part Number

ADS-937MC

Description

POWER SUPPLY

Manufacturer

Murata Power Solutions Inc

Datasheets

1.ADS-937MC.pdf (8 pages)

2.ADS-937MC.pdf (8 pages)

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Bonase Electronics (HK) Co., Limited

Part Number:

ADS-937MC

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XILINX

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560

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ADS-937MC

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BOSTOCK HK LIMITED

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ADS-937MC

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DATEL

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DATEL

FEATURES

■

BLOCK DIAGRAM

16-bit resolution

1MHz sampling rate

No missing codes over full HI-REL temperature

range

Very low power, 1.25 Watts

Small, 32-pin, side-brazed ceramic TDIP

Edge-triggered

Excellent performance

Ideal for both time and frequency-domain

applications

Low cost

+5V REFERENCE OUT 5

START CONVERT 16

COMPENSATION 7

OFFSET ADJUST 4

ANALOG INPUT 1

GAIN ADJUST 6

UNIPOLAR 3

EOC 15

+5V ANALOG

SUPPLY

CIRCUIT

GAIN

• 11 Cabot Boulevard, Mansﬁ eld, MA 02048-1151 USA • Tel: (508) 339-3000 • www.datel.com • e-mail: help@datel.com

CONTROL LOGIC

GENERAL DESCRIPTION

The low-cost ADS-937 is a 16-bit, 1MHz sampling A/D

converter. This device accurately samples full-scale input

signals up to Nyquist frequencies with no missing codes.

This feature, combined with excellent signal-to-noise ratio

(SNR) and total harmonic distortion (THD), makes the ADS-

937 the ideal choice for both time-domain (CCD/medical

imaging, scanners, process control) and frequency-domain

(radar, telecommunications, spectrum analysis) applications.

Packaged in a 32-pin, side-brazed, metal-sealed, ceramic

TDIP, the functionally complete ADS-937 contains a

fastsettling sample-hold ampliﬁ er, a subranging (two-pass)

A/D converter, an internal reference, timing/control logic,

and error correction circuitry. Digital input and output levels

are TTL. The ADS-937 only requires the rising edge of the

start convert pulse to operate.

Requiring ±15V and ±5V supplies, the ADS-937 typically

dissipates 1.25 Watts. The device is offered with both

bipolar (±5V) and unipolar (0 to –10V) analog input ranges.

Models are available for use in either commercial (0 to

+70°C) or military (–55 to +125°C) operating temperature

ranges. A proprietary, auto-calibrating, error-correcting

circuit enables the device to achieve speciﬁ ed performance

over the full military temperature range.

Figure 1. ADS-937 Functional Block Diagram

–

S/H

TIMING AND

–5V ANALOG

SUPPLY

GROUND

ANALOG

2, 12

AMP

BUFFER

REF

+5V DIGITAL

SUPPLY

FLASH

ADC

DAC

ADC

A A

SUPPLY

+15V

16-Bit, 1MHz Sampling A/D Converters

SUPPLY

–15V

INPUT/OUTPUT CONNECTIONS

GROUND

DIGITAL

01 Apr 2011 MDA_ADS-937.A03 Page 1 of 8

FUNCTION

ANALOG INPUT

GROUND

UNIPOLAR

OFFSET ADJUST

+5V REFERENCE OUT 28

GAIN ADJUST

COMPENSATION

-15V SUPPLY

+15V SUPPLY

+5V SUPPLY

-5V SUPPLY

GROUND

+5V SUPPLY

EOC

START CONVERT

32 BIT 1 (MSB)

31 BIT 2

30 BIT 3

28 BIT 5

27 BIT 6

26 BIT 7

25 BIT 8

24 BIT 9

23 BIT 10

22 BIT 11

21 BIT 12

20 BIT 13

19 BIT 14

18 BIT 15

17 BIT 16 (LSB)

T I

ADS-937

FUNCTION

BIT 1 (MSB)

BIT 2

BIT 3

BIT 4

BIT 5

BIT 6

BIT 7

BIT 8

BIT 9

BIT 10

BIT 11

BIT 12

BIT 13

BIT 14

BIT 15

BIT 16 (LSB)

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