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MAX5842LEUB+ Datasheet

  • MAX5842LEUB+

  • IC, 12BIT DAC, I2C, QUAD, SMD, 5842; Resolution (Bits):12bit...

  • 15頁(yè)

  • Maxim   Maxim

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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
鈩?/div>
-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 230碌A(chǔ) at V
DD
= 3.6V. A power-
down mode decreases current consumption to less
than 1碌A(chǔ). The MAX5842 features three software-selec-
table power-down output impedances: 100k鈩? 1k鈩?
and high impedance. Other features include internal
precision Rail-to-Rail
廬
output buffers and a power-on
reset (POR) circuit that powers up the DAC in the
100k鈩?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擄C to +85擄C and is available in a
miniature 10-pin 碌MAX package. Refer to the MAX5841
data sheet for the 10-bit version.
o
Ultra-Low Supply Current
230碌A(chǔ) at V
DD
= 3.6V
280碌A(chǔ) 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
100k鈩? 1k鈩? and High Impedance
o
Read-Back Mode for Bus and Data Checking
o
Power-On Reset to Zero
o
10-Pin 碌MAX Package
Features
MAX5842
Ordering Information
PART
MAX5842LEUB
TEMP
RANGE
PIN-
PACKAGE
ADDRESS
0111 10X
1011 10X
Applications
Digital Gain and Offset Adjustments
Programmable Voltage and Current Sources
Programmable Attenuation
VCO/Varactor Diode Control
Low-Cost Instrumentation
Battery-Powered Equipment
ATE
-40
o
C to +85
o
C 10 碌MAX
MAX5842MEUB -40
o
C to +85
o
C 10 碌MAX
Typical Operating Circuit
V
DD
碌C
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
碌MAX
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鈥檚 website at www.maxim-ic.com.

MAX5842LEUB+ 產(chǎn)品屬性

  • Lead (SnPb) Finish for COTSObsolescence Mitigation Program

  • 50

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器

  • -

  • 4µs

  • 12

  • 串行

  • 4

  • 單電源

  • -

  • -40°C ~ 85°C

  • 表面貼裝

  • 10-TFSOP，10-MSOP（0.118"，3.00mm 寬）

  • 10-µMAX

  • 管件

  • 4 電壓，單極

  • *

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