ADS-932MM Murata Power Solutions Inc, ADS-932MM Datasheet

ADS-932MM

Manufacturer Part Number

ADS-932MM

Description

Analog To Digital Converter

Manufacturer

Murata Power Solutions Inc

Datasheets

1.ADS-932MM.pdf (11 pages)

2.ADS-932MC.pdf (9 pages)

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Download datasheet (167Kb)

DATEL, Inc., Mansfield, MA 02048 (USA) Tel: (508)339-3000, (800)233-2756 Fax: (508)339-6356

FEATURES

GENERAL DESCRIPTION

The low-cost ADS-932 is a 16-bit, 2MHz sampling A/D

converter. This device accurately samples full-scale input

signals up to Nyquist frequencies with no missing codes. The

dynamic performance of the ADS-932 has been optimized to

achieve a signal-to-noise ratio (SNR) of 87dB and a total

harmonic distortion (THD) of –88dB.

Packaged in a 40-pin TDIP, the functionally complete ADS-932

contains a fast-settling sample-hold amplifier, 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-932 only requires the rising edge of

the start convert pulse to operate.

Requiring only ±5V supplies, the ADS-932 dissipates 1.85

Watts. The device is offered with a bipolar (±2.75V) analog

input range or a unipolar (0 to –5.5V) input range. 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 specified performance over the full military

temperature range. Typical applications include medical

imaging, radar, sonar, communications and instrumentation.

16-bit resolution

2MHz sampling rate

Functionally complete

No missing codes over full military temperature range

Edge-triggered

±5V supplies, 1.85 Watts

Small, 40-pin, ceramic TDIP

87dB SNR, –88dB THD

Ideal for both time and frequency-domain applications

I N N O V A T I O N a n d E X C E L L E N C E

ANALOG GROUND

DIGITAL GROUND

+5V DIGITAL SUPPLY

–5V SUPPLY

+5V ANALOG SUPPLY

NO CONNECTION

POWER and GROUNDING

39, 40

4, 36

7, 30

START CONVERT 12

OFFSET ADJUST 5

+3.2V REF. OUT 1

ANALOG INPUT 3

GAIN ADJUST 6

COMP. BITS 35

Figure 1. ADS-932 Functional Block Diagram

EOC 32

ADJUST

OFFSET

ADJUST

GAIN

CKT.

+3.2V REFERENCE

CONTROL LOGIC

S/H

TIMING AND

PRECISION

FUNCTION

+3.2V REF. OUT

UNIPOLAR

ANALOG INPUT

ANALOG GROUND

OFFSET ADJUST

GAIN ADJUST

DIGITAL GROUND

FIFO/DIR

FIFO READ

FSTAT1

FSTAT2

START CONVERT

BIT 16 (LSB)

BIT 15

BIT 14

BIT 13

BIT 12

BIT 11

BIT 10

BIT 9

INPUT/OUTPUT CONNECTIONS

E-mail:sales@datel.com Internet: www.datel.com

Sampling A/D Converters

29 BIT 1 (MSB)

28 BIT 1 (MSB)

27 BIT 2

26 BIT 3

25 BIT 4

24 BIT 5

23 BIT 6

22 BIT 7

21 BIT 8

20 BIT 9

19 BIT 10

18 BIT 11

17 BIT 12

16 BIT 13

15 BIT 14

14 BIT 15

13 BIT 16 (LSB)

10 FSTAT1

11 FSTAT2

34 OUTPUT ENABLE

33 OVERFLOW

8 FIFO/DIR

9 FIFO/READ

16-Bit, 2MHz

FUNCTION

NO CONNECTION

+5V ANALOG SUPPLY

–5V SUPPLY

ANALOG GROUND

COMP. BITS

OUTPUT ENABLE

OVERFLOW

EOC

+5V DIGITAL SUPPLY

DIGITAL GROUND

BIT 1 (MSB)

BIT 2

BIT 3

BIT 4

BIT 5

BIT 6

BIT 7

BIT 8

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