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MAX4232

更新时间： 2024-11-28 14:57:39
品牌 Logo 应用领域
亚德诺 - ADI 放大器驱动运算放大器
页数 文件大小 规格书
15页 1762K
描述
高输出驱动、10MHz、10V/μs、满摆幅输入/输出运算放大器，带有关断，SC70封装

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MAX4232 数据手册

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MAX4230–MAX4234  
High-Output-Drive, 10MHz, 10V/μs,  
Rail-to-Rail I/O Op Amps with Shutdown in SC70  
General Description  
Benefits and Features  
● Optimized for Headsets and High-Current Outputs  
• 200mA Output Drive Capability  
The MAX4230–MAX4234 single/dual/quad, high-output  
drive CMOS op amps feature 200mA of peak output cur-  
rent, rail-to-rail input, and output capability from a single  
2.7V to 5.5V supply. These amplifiers exhibit a high slew  
rate of 10V/μs and a gain-bandwidth product (GBWP) of  
10MHz. The MAX4230–MAX4234 can drive typical headset  
levels (32Ω), as well as bias an RF power amplifier (PA)  
in wireless handset applications.  
• 100dB Voltage Gain (R = 100kΩ)  
L
• 85dB Power-Supply Rejection Ratio  
• No Phase Reversal for Overdriven Inputs  
• Unity-Gain Stable for Capacitive Loads to 780pF  
● Suitable for High-Bandwidth Applications  
• 10MHz Gain-Bandwidth Product  
• High Slew Rate: 10V/μs  
The MAX4230 comes in a tiny 5-pin SC70 package  
and the MAX4231, single with shutdown, is offered in  
a 6-pin SC70 package and in 1.5mm x 1.0mm UCSP  
and thin μDFN packages. The dual op-amp MAX4233 is  
offered in the space-saving 10-bump chip-scale package  
(UCSP™), providing the smallest footprint area for a dual  
op amp with shutdown.  
● Extends the Battery Life of Portable Applications  
• 1.1mA Supply Current per Amplifier  
● Low-Power Shutdown Mode Reduces Supply Current  
to < 1μA  
● Small Package Options  
• Tiny, 2.1mm x 2.0mm Space-Saving SC70 Package  
These op amps are designed to be part of the PA control  
circuitry, biasing RF PAs in wireless headsets. The MAX4231/  
MAX4233 offer a SHDN feature that drives the output low.  
This ensures that the RF PA is fully disabled when needed,  
preventing unconverted signals to the RF antenna.  
● AEC-Q100 Qualified, See the Ordering Information  
for the List of /V Parts  
Ordering Information  
TEMP  
PIN-  
PACKAGE  
TOP  
MARK  
PART  
RANGE  
Applications  
MAX4230AXK+T -40°C to +125°C 5 SC70  
MAX4230AUK+T -40°C to +125°C 5 SOT23  
MAX4231AXT+T -40°C to +125°C 6 SC70  
MAX4231AUT+T -40°C to +125°C 6 SOT23  
MAX4231ART+T -40°C to +125°C 6 UCSP  
6 Thin µDFN  
ACS  
ABZZ  
ABA  
● RF PA Biasing Controls in Handset Applications  
● Portable/Battery-Powered Audio Applications  
● Portable Headphone Speaker Drivers (32Ω)  
● Audio Hands-Free Car Phones (Kits)  
● Tablet/Notebook Computers  
● Digital-to-Analog Converter Buffers  
● Transformer/Line Drivers  
● Motor Drivers  
ABNF  
AAM  
MAX4231AYT+T  
-40°C to +125°C  
+AH  
(Ultra-Thin LGA)  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
T = Tape and reel.  
Ordering Information continued at end of data sheet.  
Typical Operating Circuit  
ANTENNA  
2.7V TO 5.5V  
PA  
MAX4231  
I
= 30mA  
LOAD  
DAC  
Selector Guide appears at end of data sheet.  
R
ISO  
Pin/Bump Configurations appear at end of data sheet.  
C
LOAD  
Visit www.maximintegrated.com/en/aboutus/legal/patents.  
html for product patent marking information.  
SHDN  
C
R
R
F
UCSP is a trademark of Maxim Integrated Products, Inc.  
19-2164; Rev 23; 5/21  
1234567...15

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