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MAX5842

Description
SERIAL INPUT LOADING, 4 us SETTLING TIME, 12-BIT DAC, PDSO10
Categorysemiconductor    logic   
File Size368KB,15 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet Parametric View All

MAX5842 Overview

SERIAL INPUT LOADING, 4 us SETTLING TIME, 12-BIT DAC, PDSO10

MAX5842 Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals10
Maximum operating temperature85 Cel
Minimum operating temperature-40 Cel
Rated supply voltage5 V
Maximum linear error0.3906 %
Processing package descriptionMINIATURE, MICRO MAX PACKAGE-10
stateACTIVE
CraftsmanshipBICMOS
packaging shapeSQUARE
Package SizeSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
surface mountYes
Terminal formGULL WING
Terminal spacing0.5000 mm
terminal coatingNOT SPECIFIED
Terminal locationDUAL
Packaging MaterialsPLASTIC/EPOXY
Temperature levelINDUSTRIAL
Input formatSERIAL
Type of converter12-BIT DAC
Input bit encodingBINARY
Rated settling time4 us
Maximum analog output voltage5 V
Minimum analog output voltage0.0 V
19-2317; Rev 0; 1/02
Quad, 12-Bit, Low-Power, 2-Wire, Serial
Voltage-Output DAC
General Description
The MAX5842 is a quad, 12-bit voltage-output, digital-
to-analog converter (DAC) with an I
2
C
-compatible,
2-wire interface that operates at clock rates up to
400kHz. The device operates from a single 2.7V to 5.5V
supply and draws only 230µA at V
DD
= 3.6V. A power-
down mode decreases current consumption to less
than 1µA. The MAX5842 features three software-selec-
table power-down output impedances: 100kΩ, 1kΩ,
and high impedance. Other features include internal
precision Rail-to-Rail
®
output buffers and a power-on
reset (POR) circuit that powers up the DAC in the
100kΩ power-down mode.
The MAX5842 features a double-buffered I
2
C-compati-
ble serial interface that allows multiple devices to share
a single bus. All logic inputs are CMOS-logic compati-
ble and buffered with Schmitt triggers, allowing direct
interfacing to optocoupled and transformer-isolated
interfaces. The MAX5842 minimizes digital noise
feedthrough by disconnecting the clock (SCL) signal
from the rest of the device when an address mismatch
is detected.
The MAX5842 is specified over the extended tempera-
ture range of -40°C to +85°C and is available in a
miniature 10-pin µMAX package. Refer to the MAX5841
data sheet for the 10-bit version.
o
Ultra-Low Supply Current
230µA at V
DD
= 3.6V
280µA at V
DD
= 5.5V
o
300nA Low-Power Power-Down Mode
o
Single 2.7V to 5.5V Supply Voltage
o
Fast 400kHz I
2
C-Compatible 2-Wire Serial
Interface
o
Schmitt-Trigger Inputs for Direct Interfacing to
Optocouplers
o
Rail-to-Rail Output Buffer Amplifiers
o
Three Software-Selectable Power-Down Output
Impedances
100kΩ, 1kΩ, and High Impedance
o
Read-Back Mode for Bus and Data Checking
o
Power-On Reset to Zero
o
10-Pin µMAX Package
Features
MAX5842
Ordering Information
PART
MAX5842LEUB
TEMP
RANGE
o
o
Applications
Digital Gain and Offset Adjustments
Programmable Voltage and Current Sources
Programmable Attenuation
VCO/Varactor Diode Control
Low-Cost Instrumentation
Battery-Powered Equipment
ATE
PIN-
PACKAGE
ADDRESS
0111 10X
1011 10X
-40
o
C to +85
o
C 10 µMAX
MAX5842MEUB -40 C to +85 C 10 µMAX
Typical Operating Circuit
V
DD
µC
SDA
V
DD
SCL
R
P
R
P
Pin Configuration
TOP VIEW
ADD 1
SCL
V
DD
GND
SDA
2
3
4
5
10 OUTD
9
OUTC
OUTB
OUTA
REF
R
S
SCL
R
S
SDA
MAX5842
REF
V
DD
OUTA
OUTB
OUTC
OUTD
MAX5842
8
7
6
R
S
SCL
R
S
SDA
REF
MAX5842
V
DD
OUTA
OUTB
OUTC
OUTD
µMAX
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
I
2
C is a trademark of Philips Corp.
REF
________________________________________________________________
Maxim Integrated Products
1
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.
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