Rainbow-electronics MAX5106 Manual de usuario Pagina 1

Busca en linea o descarga Manual de usuario para Sensores Rainbow-electronics MAX5106. Rainbow Electronics MAX5106 User Manual Manual de usuario

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General Description
The MAX5105/MAX5106 nonvolatile, quad, 8-bit digital-
to-analog converters (DACs) operate from a single
+2.7V to +5.5V supply. An internal EEPROM stores the
DAC states even after power is removed. Data from
these nonvolatile registers automatically initialize the
DAC outputs and operating states during power-up.
Precision internal buffers swing Rail-to-Rail
®
, and the
reference input range includes both ground and the
positive rail.
The MAX5105/MAX5106 feature a software-controlled
10µA shutdown mode and a mute state that drives the
DAC outputs to their respective REFL_ voltages. The
MAX5105 includes an asynchronous MUTE input, as
well as a RDY/BSY output that indicates the status of
the nonvolatile memory.
The MAX5105 is available in a 20-pin QSOP and 20-pin
wide SO packages, and the MAX5106 is available in a
16-pin QSOP package.
________________________Applications
Digital Gain and Offset Adjustments
Programmable Attenuators
Portable Instruments
Power-Amp Bias Control
Features
On-Chip EEPROM Stores DAC States
Power-On Reset Initialization of All Registers to
Prestored States
+2.7V to +5.5V Single-Supply Operation
Four 8-Bit DACs with Independent High and Low
Reference Inputs (MAX5105)
Ground to V
DD
Reference Input Range
Rail-to-Rail Output Buffers
Low 1mA Supply Current
Low Power 10µA (max) Shutdown Mode
Small 20- or 16-Pin QSOP Package
SPI™/QSPI™/MICROWIRE™-Compatible Serial
Interface
Asynchronous MUTE Input (MAX5105)
RDY/BSY Pin to Indicate Memory Status
(MAX5105)
Wide Operating Temperature Range
(-40°C to +85°C)
MAX5105/MAX5106
Nonvolatile, Quad, 8-Bit DACs
________________________________________________________________ Maxim Integrated Products 1
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
REFH2
REFH3
OUT0
OUT1RDY/BSY
V
DD
REFH0
REFH1
TOP VIEW
OUT2
OUT3
REFL3
REFL2DOUT
DIN
CS
CLK
12
11
9
10
REFL1
REFL0GND
MUTE
MAX5105
20 QSOP/SOIC
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
REFH1 REFH2
REFH3
OUT0
OUT1
OUT2
OUT3
REFL1
REFL0
MAX5106
16 QSOP
REFH0
V
DD
DIN
CLK
CS
DOUT
GND
Ordering Information
Pin Configurations
19-1925; Rev 1; 6/01
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Functional Diagram appears at end of data sheet.
Rail-to-Rail is a trademark of Nippon Motorola, Ltd.
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
PART TEMP RANGE PIN-PACKAGE
MAX5105EEP -40°C to +85°C 20 QSOP
MAX5105EWP -40°C to +85°C 20 SO
MAX5106EEE -40°C to +85°C 16 QSOP
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Indice de contenidos

Pagina 1 - Nonvolatile, Quad, 8-Bit DACs

General DescriptionThe MAX5105/MAX5106 nonvolatile, quad, 8-bit digital-to-analog converters (DACs) operate from a single+2.7V to +5.5V supply. An int

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MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs10 ______________________________________________________________________________________14-BIT SERIAL WOR

Pagina 3

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs_______________________________________________________________________________________ 11Serial Interface

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MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs12 ______________________________________________________________________________________Figure 2. 3-Wire

Pagina 5

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs_______________________________________________________________________________________ 13The nonvolatile

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MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs14 ______________________________________________________________________________________on the rising edg

Pagina 7

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs_______________________________________________________________________________________ 15Nonvolatile Load

Pagina 8

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs16 ______________________________________________________________________________________This initializati

Pagina 9

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs_______________________________________________________________________________________ 17DAC3REFL2*REFH3R

Pagina 10

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs18 ______________________________________________________________________________________Package Informati

Pagina 11

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACsMaxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Ma

Pagina 12

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs2 _______________________________________________________________________________________ABSOLUTE MAXIMUM

Pagina 13

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs________________________________________________________________________________________ 3ELECTRICAL CHARA

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MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs4 _______________________________________________________________________________________ELECTRICAL CHARAC

Pagina 15

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs________________________________________________________________________________________ 500.10.30.20.40.5

Pagina 16

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs6 _______________________________________________________________________________________Typical Operating

Pagina 17

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs_______________________________________________________________________________________ 71.0 µs/divPOSITIV

Pagina 18

Detailed DescriptionThe MAX5105/MAX5106 quad, 8-bit DACs feature aninternal, nonvolatile EEPROM, which stores the DACstates for initialization during

Pagina 19

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs________________________________________________________________________________________ 9DAC OperationThe

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