參數(shù)資料
型號(hào)： MAX5842
廠商： Maxim Integrated Products, Inc.
英文描述： 4-Bit Magnitude Comparators 16-CDIP -55 to 125
中文描述： 四路、12位、低功耗、２線、串行電壓輸出DAC
文件頁(yè)數(shù)： 1/15頁(yè)
文件大?。?/td> 462K
代理商： MAX5842
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: 100k
, 1k
,
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
100k
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.
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 Configuration
Features
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
100k
, 1k
, and High Impedance
o
Read-Back Mode for Bus and Data Checking
o
Power-On Reset to Zero
o
10-Pin μMAX Package
M
Quad, 12-Bit, Low-Power, 2-Wire, Serial
Voltage-Output DAC
________________________________________________________________
Maxim Integrated Products
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.
1
1
2
3
4
5
10
9
8
7
6
OUTD
OUTC
OUTB
OUTA
GND
V
DD
SCL
ADD
MAX5842
μ
MAX
TOP VIEW
REF
SDA
Ordering Information
R
P
R
P
V
DD
μ
C
SDA
SCL
SDA
SDA
REF
REF
REF
SCL
SCL
V
DD
V
DD
OUTA
R
S
R
S
V
DD
OUTB
MAX5842
MAX5842
R
S
R
S
OUTC
OUTD
OUTB
OUTC
OUTD
OUTA
Typical Operating Circuit
19-2317; Rev 0; 1/02
PART
TEMP
RANGE
-40
o
C to +85
o
C 10 μMAX
PIN-
PACKAGE
ADDRESS
MAX5842LEUB
MAX5842MEUB -40
o
C to +85
o
C 10 μMAX
0111 10X
1011 10X
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
I
2
C is a trademark of Philips Corp.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX5842EUB 制造商:Maxim Integrated Products 功能描述:QUAD, 12-BIT, LOW-POWER, 2-WIRE, SERIAL VOLTA - Rail/Tube
MAX5842LEUB 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
MAX5842LEUB+ 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-Bit 4Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
MAX5842LEUB+T 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-Bit 4Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
MAX5842LEUB-T 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
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