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MAX5106 Datasheet

  • MAX5106

  • 非易失、四路、8位DAC

  • 19頁

  • MAXIM   MAXIM

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19-1925; Rev 1; 6/01
Nonvolatile, Quad, 8-Bit DACs
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
廬
, and the
reference input range includes both ground and the
positive rail.
The MAX5105/MAX5106 feature a software-controlled
10碌A(chǔ) 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.
Features
o
On-Chip EEPROM Stores DAC States
o
Power-On Reset Initialization of All Registers to
Prestored States
o
+2.7V to +5.5V Single-Supply Operation
o
Four 8-Bit DACs with Independent High and Low
Reference Inputs (MAX5105)
o
Ground to V
DD
Reference Input Range
o
Rail-to-Rail Output Buffers
o
Low 1mA Supply Current
o
Low Power 10碌A(chǔ) (max) Shutdown Mode
o
Small 20- or 16-Pin QSOP Package
o
SPI鈩?QSPI鈩?MICROWIRE鈩?Compatible Serial
Interface
o
Asynchronous MUTE Input (MAX5105)
o
RDY/BSY Pin to Indicate Memory Status
(MAX5105)
o
Wide Operating Temperature Range
(-40擄C to +85擄C)
MAX5105/MAX5106
________________________Applications
Digital Gain and Offset Adjustments
Programmable Attenuators
Portable Instruments
Power-Amp Bias Control
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.
Ordering Information
PART
MAX5105EEP
MAX5105EWP
MAX5106EEE
TEMP RANGE
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
PIN-PACKAGE
20 QSOP
20 SO
16 QSOP
Pin Configurations
TOP VIEW
REFH1 1
REFH0 2
V
DD
3
RDY/BSY 4
CLK 5
CS 6
DIN 7
DOUT 8
MUTE 9
GND 10
20 REFH2
19 REFH3
18 OUT0
17 OUT1
REFH1 1
REFH0 2
V
DD
3
CLK 4
CS 5
DIN 6
DOUT 7
GND 8
16 REFH2
15 REFH3
14 OUT0
MAX5106
13 OUT1
12 OUT2
11 OUT3
10 REFL1
9
REFL0
MAX5105
16 OUT2
15 OUT3
14 REFL3
13 REFL2
12 REFL1
11 REFL0
16 QSOP
20 QSOP/SOIC
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.

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