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MAX4245

更新时间： 2024-11-30 22:35:19
品牌 Logo 应用领域
美信 - MAXIM 运算放大器
页数 文件大小 规格书
11页 495K
描述
Ultra-Small, Rail-to-Rail I/O with Disable, Single-/Dual-Supply, Low-Power Op Amps

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MAX4245 数据手册

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19-2016; Rev 0; 5/01  
Ultra-Small, Rail-to-Rail I/O with Disable,  
Single-/Dual-Supply, Low-Power Op Amps  
General Description  
Features  
The MAX4245/MAX4246/MAX4247 family of low-cost  
op amps offer Rail-to-Rail® inputs and outputs, draw  
only 320µA of quiescent current, and operate from a  
single +2.5V to +5.5V supply. For additional power con-  
servation, the MAX4245/MAX4247 offer a low-power  
shutdown mode that reduces supply current to 50nA,  
and puts the amplifiers’ outputs in a high-impedance  
state. These devices are unity-gain stable with a 1MHz  
gain-bandwidth product driving capacitive loads up to  
470pF.  
o Rail-to-Rail Input and Output Voltage Swing  
o 50nA (max) Shutdown Mode (MAX4245/MAX4247)  
o 320µA (typ) Quiescent Current Per Amplifier  
o Single +2.5V to +5.5V Supply Voltage Range  
o 110dB Open-Loop Gain with 2k Load  
o 0.01% THD with 100k Load  
The MAX4245/MAX4246/MAX4247 family is specified  
from -40 C to +125°C, making them suitable for use in  
a variety of harsh environments, such as automotive  
applications. The MAX4245 single amplifier is available  
in ultra-small 6-pin SC70 and space-saving 6-pin  
SOT23 packages. The MAX4246 dual amplifier is avail-  
able in 8-pin SOT23 and µMAX packages. The  
MAX4247 dual amplifier comes in a tiny 10-pin µMAX  
package.  
o Unity-Gain Stable up to C  
= 470pF  
LOAD  
o No Phase Inversion for Overdriven Inputs  
o Available in Space-Saving Packages  
6-Pin SC70 or 6-Pin SOT23 (MAX4245)  
8-Pin SOT23 or 8-Pin µMAX (MAX4246)  
10-Pin µMAX (MAX4247)  
Applications  
Portable Communications  
Ordering Information  
PIN-  
PACKAGE  
TOP  
MARK  
Single-Supply Zero-Crossing Detectors  
Instruments and Terminals  
PART  
TEMP. RANGE  
MAX4245AXT-T -40°C to +125°C 6 SC70-6  
MAX4245AUT-T -40°C to +125°C 6 SOT23-6  
MAX4246AKA-T -40°C to +125°C 8 SOT23-8  
AAZ  
AAUB  
AAIN  
—
Electronic Ignition Modules  
Infrared Receivers  
MAX4246AUA  
-40°C to +125°C 8 µMAX  
Sensor-Signal Detection  
MAX4247AUB -40°C to +125°C 10 µMAX  
—
Pin Configurations  
Selector Guide  
TOP VIEW  
AMPLIFIERS  
PER PACKAGE  
SHUTDOWN  
MODE  
PART  
OUTA  
INA-  
1
2
3
4
8
7
6
5
V
DD  
IN+  
1
2
3
6
5
4
V
DD  
MAX4245  
MAX4246  
MAX4245AXT-T  
MAX4245AUT-T  
MAX4246AKA-T  
MAX4246AUA  
MAX4247AUB  
1
1
2
2
2
Yes  
Yes  
No  
OUTB  
INB-  
V
SHDN  
OUT  
SS  
INA+  
IN-  
No  
SC70-6/SOT23-6  
V
INB+  
SS  
Yes  
SOT23-8/ MAX-8  
Pin Configurations continued at end of data sheet.  
Rail-to-Rail is a registered trademark of Nippon Motorola Ltd.  
________________________________________________________________ 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.  
1234567...11

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