MAX547BEQH Maxim Integrated Products, MAX547BEQH Datasheet

MAX547BEQH

Manufacturer Part Number

MAX547BEQH

Description

PLCC44

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX547BEQH.pdf (16 pages)

Specifications of MAX547BEQH

Date_code

04+

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The MAX547 contains eight 13-bit, voltage-output digital-to-

analog converters (DACs). On-chip precision output ampli-

fiers provide the voltage outputs. The MAX547 operates

from a ±5V supply. Bipolar output voltages with up to ±4.5V

voltage swing can be achieved with no external compo-

nents. The MAX547 has four separate reference inputs;

each is connected to two DACs, providing different full-

scale output voltages for every DAC pair.

The MAX547 features double-buffered interface logic with a

13-bit parallel data bus. Each DAC has an input latch and a

DAC latch. Data in the DAC latch sets the output voltage. The

eight input latches are addressed with three address lines.

Data is loaded to the input latch with a single write instruction.

An asynchronous load (

input latch to the DAC latch. The four

two DACs, and all DAC latches can be updated simultane-

ously by asserting all

input resets the output of all eight DACs to AGND_. Asserting

–

(1000hex). On power-up, reset circuitry performs the same

function as

The MAX547 is available in 44-pin plastic quad flat pack

and 44-pin PLCC packages.

________________________Applications

_________________General Description

19-0257; Rev 3; 12/95

—

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800

_______________________________________________________________Pin Configurations

—

–

resets both the DAC and the input latch to bipolar zero

TOP VIEW

Automatic Test Equipment

Minimum Component-Count Analog Systems

Digital Offset/Gain Adjustment

Arbitrary Function Generators

Industrial Process Controls

Avionics Equipment

AGNDAB

VOUTB

VOUTA

REFAB

LDCD

LDAB

–

—

V DD

—

–

. All logic inputs are TTL/CMOS compatible.

________________________________________________________________ Maxim Integrated Products

–

—

–

—

pins. An asynchronous clear (

—

PLASTIC FP

–

) input transfers data from the

MAX547

–

—

Octal, 13-Bit Voltage-Output DAC

–

inputs each control

VOUTG

VOUTH

V DD

REFGH

AGNDGH

GND

LDGH

LDEF

–

—

–

)

AGNDAB

________________Ordering Information

Ordering Information continued at end of data sheet.

*Contact factory for dice specifications.

_____________________________Features

VOUTB

VOUTA

REFAB

LDCD

with Parallel Interface

LDAB

MAX547ACQH

MAX547BCQH

MAX547ACMH

MAX547BCMH

MAX547BC/D

Full 13-Bit Performance without Adjustments

8 DACs in One Package

Buffered Voltage Outputs

Calibrated Linearity

Guaranteed Monotonic to 13 Bits

±5V Supply Operation

Unipolar or Bipolar Outputs Swing to ±4.5V

Fast Output Settling (5µs to ±

Double-Buffered Digital Inputs

Asynchronous Load Inputs Load Pairs of DAC Latches

Asynchronous

Ground

Power-On Reset Circuit Resets DACs to Analog Ground

Microprocessor and TTL/CMOS Compatible

PART

19 20

TEMP. RANGE

–

0°C to +70°C

—

–

MAX547

22 23

PLCC

Input Resets DACs to Analog

⁄

LSB)

44 Plastic FP

Dice*

44 PLCC

PIN-PACKAGE

44 PLCC

27 28

VOUTG

VOUTH

REFGH

AGNDGH

GND

LDGH

LDEF

(LSBs)

INL

±2

±4

±2

±4

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