5962-9169003MXA Analog Devices, 5962-9169003MXA Datasheet

5962-9169003MXA

Manufacturer Part Number

5962-9169003MXA

Description

Manufacturer

Analog Devices

Datasheets

1.AD674B.pdf (12 pages)

2.AD674BTD883B.pdf (21 pages)

Specifications of 5962-9169003MXA

Case

DIP

Date_code

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

BOSTOCK HK LIMITED

Part Number:

5962-9169003MXA

Quantity:

1 002

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PRODUCT DESCRIPTION

The AD674B and AD774B are complete 12-bit successive-

approximation analog-to-digital converters with three-state

output buffer circuitry for direct interface to 8- and 16-bit

microprocessor busses. A high-precision voltage reference and

clock are included on chip, and the circuit requires only power

supplies and control signals for operation.

The AD674B and AD774B are pin-compatible with the indus-

try standard AD574A, but offer faster conversion time and bus-

access speed than the AD574A and lower power consumption.

The AD674B converts in 15 µs (maximum) and the AD774B

converts in 8 µs (maximum).

The monolithic design is implemented using Analog Devices’

BiMOS II process allowing high-performance bipolar analog

circuitry to be combined on the same die with digital CMOS logic.

Offset, linearity, and scaling errors are minimized by active

laser trimming of thin-film resistors.

Five different grades are available. The J and K grades are

specified for operation over the 0°C to 70°C temperature range.

The A and B grades are specified from –40°C to +85°C, the T grade

is specified from –55°C to +125°C. The J and K grades are

available in a 28-lead plastic DIP or 28-lead SOIC. All other grades

are available in a 28-lead hermetically sealed ceramic DIP.

Protected by U.S. Patent Nos. 4,250,445; 4,808,908; RE30586.

PRODUCT HIGHLIGHTS

1. Industry Standard Pinout: The AD674B and AD774B use

2. Analog Operation: The precision, laser-trimmed scaling and

3. Flexible Digital Interface: On-chip multiple-mode three-state

4. The internal reference is trimmed to 10.00 V with 1% maxi-

5. The AD674B and AD774B are available in versions compli-

READ/CONVERT R/C

DATA MODE SELECT

REFERENCE INPUT

ANALOG COMMON

–12V/–15V SUPPLY

SHORT CYCLE A

BIPOLAR OFFSET

10V REFERENCE

BYTE ADDRESS/

10V SPAN INPUT

20V SPAN INPUT

12V/15V SUPPLY

the pinout established by the industry standard AD574A.

bipolar offset resistors provide four calibrated ranges: 0 V to

10 V and 0 V to 20 V unipolar; –5 V to +5 V and –10 V to

+10 V bipolar. The AD674B and AD774B operate on +5 V

and ± 12 V or ± 15 V power supplies.

output buffers and interface logic allow direct connection to

most microprocessors. The 12 bits of output data can be

read either as one 12-bit word or as two 8-bit bytes (one with

8 data bits, the other with 4 data bits and 4 trailing zeros).

mum error and 10 ppm/°C typical temperature coefficient.

The reference is available externally and can drive up to

2.0 mA beyond the requirements of the converter and bipo-

lar offset resistors.

ant with MIL-STD-883. Refer to the Analog Devices Mili-

tary Products Databook or current AD674B/AD774B/883B

data sheet for detailed specifications.

CHIP ENABLE

CHIP SELECT

5V SUPPLY

REF OUT

BIPOFF

REF IN

LOGIC

10V

20V

12/8

FUNCTIONAL BLOCK DIAGRAM

199.95

REF

10V

VOLTAGE

DIVIDER

CLOCK

CONTROL

AD674B /AD774B

–

DAC

–

I REF

AD674B/AD774B

COMP

SAR

I DAC

Complete 12-Bit

A/D Converters

MSB

LSB

STATUS

STS

DB11 (MSB)

DB10

DB9

DB8

DB7

DB6

DB5

DB4

DB3

DB2

DB1

DB0 (LSB)

DIGITAL

COMMON DC

DIGITAL

DATA

OUTPUTS

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