Rainbow-electronics MAX510 Manuel d'utilisateur télécharger pdf

_______________General Description

The MAX509/MAX510 are quad, serial-input, 8-bit volt-

age-output digital-to-analog converters (DACs). They

operate with a single +5V supply or dual ±5V supplies.

Internal, precision buffers swing rail-to-rail. The refer-

ence input range includes both supply rails.

The MAX509 has four separate reference inputs, allow-

ing each DAC's full-scale range to be set independently.

20-pin DIP, SSOP, and SO packages are available. The

MAX510 is identical to the MAX509 except it has two ref-

erence inputs, each shared by two DACs. The MAX510

is housed in space-saving 16-pin DIP and SO packages.

The serial interface is double-buffered: A 12-bit input

shift register is followed by four 8-bit buffer registers and

four 8-bit DAC registers. A 12-bit serial word is used to

load data into each register. Both input and DAC regis-

ters can be updated independently or simultaneously

with single software commands. Two additional asyn-

chronous control pins provide simultaneous updating

(LDAC) or clearing (CLR) of input and DAC registers.

The interface is compatible with Microwire

and SPI/

QSPI

. All digital inputs and outputs are TTL/CMOS

compatible. A buffered data output provides for read-

back or daisy-chaining of serial devices.

____________________________Features

♦ Single +5V or Dual ±5V Supply Operation

♦ Output Buffer Amplifiers Swing Rail-to-Rail

♦ Reference Input Range Includes Both Supply Rails

♦ Calibrated Offset, Gain, and Linearity (1LSB TUE)

♦ 10MHz Serial Interface, Compatible with SPI, QSPI

(CPOL = CPHA = 0) and Microwire

♦ Double-Buffered Registers for Synchronous

Updating

♦ Serial Data Output for Daisy-Chaining

♦ Power-On Reset Clears Serial Interface and Sets

All Registers to Zero

______________Ordering Information

Ordering Information continued on last page.

* Dice are specified at +25°C, DC parameters only.

**Contact factory for availability and processing to MIL-STD-883.

MAX509/MAX510

Quad, Serial 8-Bit DACs

with Rail-to-Rail Outputs

________________________________________________________________

Maxim Integrated Products

OUTC

OUTD

REFC

REFB

OUTA

OUTB

TOP VIEW

MAX509

REFD

N.C.

SCLK

DGND

N.C.

AGND

REFA

DIN

CLR

DOUT

LDAC

DIP/SO/SSOP

_________________Pin Configurations

MAX509

OUTA

DAC A

DAC B

DAC C

DAC D

REFAREFB

DAC

REG A

DECODE

CONTROL

INPUT

REG A

DAC

REG B

INPUT

REG B

DAC

REG C

INPUT

REG C

DAC

REG D

INPUT

REG D

12-BIT

SHIFT

SR

CONTROL

CS DIN

SCLK REFC

REFD

OUTB

OUTC

OUTD

DOUT

LDAC

CLR

DGND

AGND

_______________Functional Diagrams

19-0155; Rev 2; 1/96

PART TEMP. RANGE PIN-PACKAGE

MAX509ACPP

0°C to +70°C 20 Plastic DIP

MAX509BCPP 0°C to +70°C 20 Plastic DIP

MAX509ACWP 0°C to +70°C 20 Wide SO

±1

±1 1/2

±1

MAX509BCWP 20 Wide SO ±1 1/2

MAX509ACAP 0°C to +70°C 20 SSOP ±1

0°C to +70°C

MAX509BCAP 0°C to +70°C 20 SSOP ±1 1/2

MAX509BC/D 0°C to +70°C Dice* ±1 1/2

Pin Configurations continued at end of data sheet.

Functional Diagrams continued at end of data sheet.

TUE

(LSB)

Microwire is a trademark of National Semiconductor. SPI and QSPI are trademarks of Motorola.

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

1 2 3 4 5 6 ... 19 20

Résumé du contenu

Page 1 - Quad, Serial 8-Bit DACs

_______________General DescriptionThe MAX509/MAX510 are quad, serial-input, 8-bit volt-age-output digital-to-analog converters (DACs). Theyoperate wit

Page 2

MAX509/MAX510Quad, Serial 8-Bit DACswith Rail-to-Rail Outputs10 ______________________________________________________________________________________

Page 3

Serial Input Data Format and Control CodesThe 12-bit serial input format shown in Figure 3 com-prises two DAC address bits (A1, A0), two control bits(

Page 4

Set DOUT Phase – SCLK Falling (Mode 0)This command resets DOUT to transition at SCLK's fallingedge. Once this command is issued, the phase of DOU

Page 5

MAX509/MAX510Quad, Serial 8-Bit DACswith Rail-to-Rail Outputs______________________________________________________________________________________ 13

Page 6 - Quad, Serial 8-DACs

MAX509/MAX510Quad, Serial 8-Bit DACswith Rail-to-Rail Outputs14 ______________________________________________________________________________________

Page 7

MAX509/MAX510Quad, Serial 8-Bit DACswith Rail-to-Rail Outputs______________________________________________________________________________________ 15

Page 8

MAX509/MAX510where NB represents the digital input word. SinceAGND is common to all four DACs, all outputs will beoffset by VBIASin the same manner. D

Page 9

MAX509/MAX510Quad, Serial 8-Bit DACswith Rail-to-Rail Outputs______________________________________________________________________________________ 17

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MAX509/MAX510Quad, Serial 8-Bit DACswith Rail-to-Rail Outputs18 ______________________________________________________________________________________

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MAX509/MAX510Quad, Serial 8-Bit DACswith Rail-to-Rail Outputs______________________________________________________________________________________ 19

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MAX509/MAX510Quad, Serial 8-Bit DACswith Rail-to-Rail Outputs2 _______________________________________________________________________________________

Page 13

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

Page 14

MAX509/MAX510Quad, Serial 8-Bit DACswith Rail-to-Rail Outputs_______________________________________________________________________________________ 3

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MAX509/MAX510Quad, Serial 8-Bit DACswith Rail-to-Rail Outputs4 _______________________________________________________________________________________

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MAX509/MAX510Quad, Serial 8-Bit DACswith Rail-to-Rail Outputs_______________________________________________________________________________________51

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MAX509/MAX510Quad, Serial 8-DACswith Rail-to-Rail Outputs6 ___________________________________________________________________________________________

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MAX509/MAX510Quad, Serial 8-Bit DACswith Rail-to-Rail Outputs_______________________________________________________________________________________75

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MAX509/MAX510Quad, Serial 8-Bit DACswith Rail-to-Rail Outputs8 _______________________________________________________________________________________

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MAX509/MAX510Quad, Serial 8-Bit DACswith Rail-to-Rail Outputs_______________________________________________________________________________________ 9

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Rainbow-electronics MAX510 Manuel d'utilisateur

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