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MAX520-MAX521

Description
SERIAL INPUT LOADING, 6 us SETTLING TIME, 8-BIT DAC, PDSO24
Categorysemiconductor    logic   
File Size272KB,20 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet Parametric Compare View All

MAX520-MAX521 Overview

SERIAL INPUT LOADING, 6 us SETTLING TIME, 8-BIT DAC, PDSO24

MAX520-MAX521 Parametric

Parameter NameAttribute value
Maximum linear error0.7800 %
Number of functions1
Number of terminals24
Minimum operating temperature0.0 Cel
Maximum operating temperature70 Cel
Processing package description0.300 INCH, SOP-24
each_compliYes
stateActive
Type of converterD/A CONVERTER
Minimum analog output voltage0.0 V
Maximum analog output voltage5.5 V
Input bit encodingBINARY
Input formatSERIAL
jesd_30_codeR-PDSO-G24
jesd_609_codee0
moisture_sensitivity_level1
Number of digits8
Packaging MaterialsPLASTIC/EPOXY
ckage_codeSOP
ckage_equivalence_codeSOP24,.4
packaging shapeRECTANGULAR
Package SizeSMALL OUTLINE
eak_reflow_temperature__cel_245
wer_supplies__v_5
qualification_statusCOMMERCIAL
seated_height_max2.65 mm
Rated settling time6 µs
sub_categoryOther Converters
Maximum supply voltage20 mA
Rated supply voltage5 V
surface mountYES
CraftsmanshipCMOS
Temperature levelCOMMERCIAL
terminal coatingTIN LEAD
Terminal formGULL WING
Terminal spacing1.27 mm
Terminal locationDUAL
ime_peak_reflow_temperature_max__s_NOT SPECIFIED
length15.4 mm
width7.5 mm
19-0378; Rev 3; 9/96
Quad/Octal, 2-Wire Serial 8-Bit DACs
with Rail-to-Rail Outputs
_______________General Description
The MAX520/MAX521 are quad/octal, 8-bit voltage-output
digital-to-analog converters (DACs) with simple 2-wire ser-
ial interfaces that allow communication between multiple
devices. They operate from a single +5V supply and their
reference input range includes both supply rails.
The MAX521 includes rail-to-rail output buffer amplifiers for
reduced system size and component count when driving
loads. The MAX520’s unbuffered voltage outputs reduce
the device’s total supply current to 4µA and provide
increased accuracy at low output currents.
The MAX520/MAX521 feature a serial interface and internal
software protocol, allowing communication at data rates up
to 400kbps. The interface, combined with the double-
buffered input configuration, allows the DAC registers to be
updated individually or simultaneously. In addition, the
devices can be put into a low-power shutdown mode that
reduces supply current to 4µA. Power-on reset ensures the
DAC outputs are at 0V when power is initially applied.
The MAX520 is available in 16-pin DIP and wide SO pack-
ages, as well as a space-saving 20-pin SSOP. The
MAX521 comes in 20-pin DIP and 24-pin SO packages, as
well as a space-saving 24-pin SSOP.
____________________________Features
o
o
o
o
Single +5V Supply
Simple 2-Wire Serial Interface
I
2
C Compatible
Outputs Swing Rail to Rail:
Unbuffered Outputs (MAX520)
Buffered Outputs (MAX521)
1%-Accurate Trimmed Output Resistance (MAX520A)
Ultra-Low 4µA Supply Current (MAX520)
Individual DACs Have Separate Reference Inputs
Power-On Reset Clears All Latches
4µA Power-Down Mode
MAX520/MAX521
o
o
o
o
o
______________Ordering Information
PART
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
PIN-PACKAGE
16 Plastic DIP
16 Plastic DIP
16 Wide SO
16 Wide SO
TUE
(LSB)
1
1
1
1
MAX520ACPE
MAX520BCPE
MAX520ACWE
MAX520BCWE
________________________Applications
Minimum Component Analog Systems
Digital Offset/Gain Adjustment
Industrial Process Control
Automatic Test Equipment
Programmable Attenuators
Ordering Information continued at end of data sheet.
MAX520 “A” grade parts include a 1%-accurate, factory-trimmed
output resistance.
_______________Functional Diagrams
SDA
SCL
REF1
INPUT
LATCH 0
1
OUTPUT
LATCH 0
REF0
DAC0
OUT0
_________________Pin Configurations
TOP VIEW
MAX520
8
8-BIT
SHIFT REGISTER
OUT1
OUT0
1
2
16 OUT2
15 OUT3
14 REF2
ADDRESS
COMPARATOR
START/STOP
DETECTOR
INPUT
LATCH 1
1
OUTPUT
LATCH 1
DAC1
OUT1
REF1 3
REF0 4
AGND 5
DGND 6
SCL 7
SDA 8
MAX520
13 REF3
12 V
DD
11 AD2
10 AD1
9
AD0
AD0
AD1
AD2
DECODE
4
INPUT
LATCH 2
1
INPUT
LATCH 3
1
OUTPUT
LATCH 2
DAC2
OUT2
OUTPUT
LATCH 3
DAC3
OUT3
DIP/SO
REF2
REF3
Pin Configurations continued at end of data sheet.
Functional Diagrams continued at end of data sheet.
1
________________________________________________________________
Maxim Integrated Products
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800

MAX520-MAX521 Related Products

MAX520-MAX521 MAX521 MAX521BC/D MAX520BC/D MAX520AC/D MAX520 MAX521BCWG+ MAX520AEAP+T
Description SERIAL INPUT LOADING, 6 us SETTLING TIME, 8-BIT DAC, PDSO24 SERIAL INPUT LOADING, 6 us SETTLING TIME, 8-BIT DAC, PDSO24 SERIAL INPUT LOADING, 6 us SETTLING TIME, 8-BIT DAC, PDSO24 SERIAL INPUT LOADING, 6 us SETTLING TIME, 8-BIT DAC, PDSO24 SERIAL INPUT LOADING, 6 us SETTLING TIME, 8-BIT DAC, PDSO24 SERIAL INPUT LOADING, 6 us SETTLING TIME, 8-BIT DAC, PDSO24 IC DAC 8BIT OCTAL 2WIRE 24-SOIC IC DAC 8BIT QUAD 2WIRE 20-SSOP
Number of functions 1 1 1 1 1 1 8 4
Number of terminals 24 24 21 16 24 24 24 20
Minimum operating temperature 0.0 Cel 0.0 Cel - - 0.0 Cel 0.0 Cel - -40 °C
Maximum operating temperature 70 Cel 70 Cel 70 °C 70 °C 70 Cel 70 Cel 70 °C 85 °C
Maximum analog output voltage 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5 V 5 V
Input format SERIAL SERIAL SERIAL SERIAL SERIAL SERIAL SERIAL SERIAL
Number of digits 8 8 8 8 8 8 8 8
surface mount YES YES YES YES YES YES YES YES
Temperature level COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL INDUSTRIAL
Terminal form GULL WING GULL WING NO LEAD NO LEAD GULL WING GULL WING GULL WING GULL WING
Terminal location DUAL DUAL UPPER UPPER DUAL DUAL DUAL DUAL
length 15.4 mm 15.4 mm - - 15.4 mm 15.4 mm 15.4 mm 7.2 mm
width 7.5 mm 7.5 mm - - 7.5 mm 7.5 mm 7.5 mm 5.3 mm
Recruiting programmers:
Recruiting programmers: For specific requirements, please see: www.chinadacs.cn...
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