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參數(shù)資料
| 型號： | MAX5812 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 12-Bit Low-Power, 2-Wire, Serial Voltage-Output DAC |
| 中文描述： | 12位、低功耗、２線、串行電壓輸出DAC |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 268K |
| 代理商： | MAX5812 |
General Description
The MAX5812 is a single, 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 100μA at V
DD
= 3.6V. A low-power power-
down mode decreases current consumption to less than
1μA. The MAX5812 features three software-selectable
power-down output impedances: 100k
, 1k
, and high
impedance. Other features include an internal precision
Rail-to-Rail
output buffer and a power-on reset circuit
that powers up the DAC in the 100k
power-down mode.
The MAX5812 features a double-buffered I
2
C-compatible
serial interface that allows multiple devices to share a sin-
gle bus. All logic inputs are CMOS-logic compatible and
buffered with Schmitt triggers, allowing direct interfacing
to optocoupled and transformer-isolated interfaces. The
MAX5812 minimizes digital noise feedthrough by discon-
necting the clock (SCL) signal from the rest of the device
when an address mismatch is detected.
The MAX5812 is specified over the extended temperature
range of -40°C to +85°C and is available in a space-sav-
ing 6-pin SOT23 package. Refer to the MAX5811 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-Operated Equipment
Features
o
Ultra-Low Supply Current
100μA at V
DD
= 3.6V
130μA 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 Amplifier
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
Miniature 6-Pin SOT23 Package
M
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
SCL
SDA
1
2
6
5
V
DD
ADD
GND
OUT
MAX5812
SOT23
TOP VIEW
3
4
Pin Configuration
Ordering Information
R
S
R
S
R
S
R
S
R
P
R
P
V
DD
μ
C
SDA
SCL
SDA
SDA
SCL
SCL
V
DD
V
DD
V
DD
OUT
OUT
MAX5812
MAX5812
Typical Operating Circuit
19-2340; Rev 0; 1/02
PART
TEMP RANGE
PIN-
PACKAGE
TOP
MARK
MAX5812LEUT
MAX5812MEUT
MAX5812NEUT
MAX5812PEUT
Selector Guide appears at end of data sheet.
Functional Diagram appears at end of data sheet.
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
6 SOT23
6 SOT23
6 SOT23
6 SOT23
AAYT
AAYV
AAYX
AAYZ
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
I
2
C is a trademark of Philips Corporation.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX5812LEUT | 12-Bit Low-Power, 2-Wire, Serial Voltage-Output DAC |
| MAX5812MEUT | 12-Bit Low-Power, 2-Wire, Serial Voltage-Output DAC |
| MAX5812NEUT | 12-Bit Low-Power, 2-Wire, Serial Voltage-Output DAC |
| MAX5888AEGK | Circular Connector; No. of Contacts:32; Series:MS27466; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:19; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No |
| MAX5888EGK | 3.3V, 16-Bit, 500Msps High Dynamic Performance DAC with Differential LVDS Inputs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5812LEUT | 制造商:Maxim Integrated Products 功能描述:12-BIT LOW-POWER 2-WIRE SERIAL V - Rail/Tube |
| MAX5812LEUT+ | 制造商:Maxim Integrated Products 功能描述:12-BIT LOW-POWER, 2-WIRE, SERIAL VOLTAGE-OUTPUT DAC - Rail/Tube |
| MAX5812LEUT+T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-Bit 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 |
| MAX5812LEUT-G035 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX5812LEUT-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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