Rainbow-electronics MAX539 Bedienungsanleitung PDF herunterladen

_______________General Description

The MAX531/MAX538/MAX539 are low-power, voltage-

output, 12-bit digital-to-analog converters (DACs) speci-

fied for single +5V power-supply operation. The MAX531

can also be operated with ±5V supplies. The

MAX538/MAX539 draw only 140µA, and the MAX531

(with internal reference) draws only 260µA. The

MAX538/MAX539 come in 8-pin DIP and SO packages,

while the MAX531 comes in 14-pin DIP and SO pack-

ages. All parts have been trimmed for offset voltage,

gain, and linearity, so no further adjustment is necessary.

The MAX538’s buffer is fixed at a gain of +1 and the

MAX539’s buffer at a gain of +2. The MAX531’s internal

op amp may be configured for a gain of +1 or +2, as

well as for unipolar or bipolar output voltages. The

MAX531 can also be used as a four-quadrant multiplier

without external resistors or op amps.

For parallel data inputs, see the MAX530 data sheet.

_______________________Applications

Battery-Powered Test Instruments

Digital Offset and Gain Adjustment

Battery-Operated/Remote Industrial Controls

Machine and Motion Control Devices

Cellular Telephones

___________________________Features

♦ Operate from Single +5V Supply

♦ Buffered Voltage Output

♦ Internal 2.048V Reference (MAX531)

♦ 140µA Supply Current (MAX538/MAX539)

♦ INL = ±1/2LSB (max)

♦ Guaranteed Monotonic over Temperature

♦ Flexible Output Ranges:

0V to V

(MAX531/MAX539)

to V

(MAX531)

0V to 2.6V (MAX531/MAX538)

♦ 8-Pin SO/DIP (MAX538/MAX539)

♦ Power-On Reset

♦ Serial Data Output for Daisy-Chaining

______________Ordering Information

MAX531/MAX538/MAX539

+5V, Low-Power, Voltage-Output,

Serial 12-Bit DACs

________________________________________________________________

Maxim Integrated Products

VOUT

REFIN

AGND

DOUT

SCLK

DIN

DIP/SO

TOP VIEW

MAX538

MAX539

_________________Pin Configurations

________________Functional Diagram

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

19-0172; Rev 6; 2/97

PART TEMP. RANGE PIN-PACKAGE

MAX531ACPD

0°C to +70°C 14 Plastic DIP

MAX531BCPD 0°C to +70°C 14 Plastic DIP

MAX531ACSD 0°C to +70°C 14 SO

MAX531BCSD 0°C to +70°C 14 SO

ERROR

(LSB)

±1/2

±1

±1/2

±1

DAC

DAC REGISTER

(12 BITS)

SHIFT REGISTER

(12 BITS)

4

BITS

CONTROL

LOGIC

POWER-UP

RESET

2.048V

REFERENCE

(MAX531 ONLY)

AGND

SCLK

DIN

(MAX531 ONLY)

REFOUT

REFIN

(MAX531 ONLY)

BIPOFF

RFB

(MAX531

ONLY)

VOUT

DGND

(MAX531

ONLY)



(MAX531

ONLY)

DOUT

(LSB)

(MSB)

CLR

(MAX531

ONLY)

MAX531

MAX538

MAX539

MAX531BC/D 0°C to +70°C Dice* ±1

Ordering Information continued at end of data sheet.

*Dice are specified at T

= +25°C only.

Pin Configurations continued at end of data sheet.

1 2 3 4 5 6 ... 15 16

Inhaltsverzeichnis

Seite 1 - Serial 12-Bit DACs

_______________General DescriptionThe MAX531/MAX538/MAX539 are low-power, voltage-output, 12-bit digital-to-analog converters (DACs) speci-fied for si

Seite 2

MAX531/MAX538/MAX539Daisy-Chaining DevicesThe serial output, DOUT, allows cascading of two ormore DACs. The data at DIN appears at DOUT,delayed by 16

Seite 3

MAX531/MAX538/MAX539+5V, Low-Power, Voltage-Output,Serial 12-Bit DACs_________________________________________________________________________________

Seite 4

MAX531/MAX538/MAX539Single-Supply LinearityAs with any amplifier, the MAX531/MAX538/MAX539’soutput buffer can be positive or negative. When the off-se

Seite 5

AC ConsiderationsDigital FeedthroughHigh-speed serial data at any of the digital input or outputpins may couple through the DAC package and causeinter

Seite 6

MAX531/MAX538/MAX539+5V, Low-Power, Voltage-Output,Serial 12-Bit DACs14 ______________________________________________________________________________

Seite 7

MAX531/MAX538/MAX539+5V, Low-Power, Voltage-Output,Serial 12-Bit DACs_________________________________________________________________________________

Seite 8

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses arei

Seite 9

MAX531/MAX538/MAX539+5V, Low-Power, Voltage-OutputSerial 12-Bit DACs2 ________________________________________________________________________________

Seite 10

MAX531/MAX538/MAX539+5V, Low-Power, Voltage-Output,Serial 12-Bit DACs_________________________________________________________________________________

Seite 11

MAX531/MAX538/MAX539+5V, Low-Power, Voltage-Output,Serial 12-Bit DACs4 _______________________________________________________________________________

Seite 12

MAX531/MAX538/MAX539+5V, Low-Power, Voltage-Output,Serial 12-Bit DACs_________________________________________________________________________________

Seite 13

MAX531/MAX538/MAX539+5V, Low-Power, Voltage-Output,Serial 12-Bit DACs6 _______________________________________________________________________________

Seite 14

MAX531/MAX538/MAX539+5V, Low-Power, Voltage-Output,Serial 12-Bit DACs_________________________________________________________________________________

Seite 15

MAX531/MAX538/MAX539+5V, Low-Power, Voltage-OutputSerial 12-Bit DACs8 ________________________________________________________________________________

Seite 16

Internal Reference (MAX531 only)The on-chip reference is lesser trimmed to generate 2.048Vat REFOUT. The output stage can source and sink current,so R

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Rainbow-electronics MAX539 Bedienungsanleitung

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Inhaltsverzeichnis

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