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MAX4257EUA+T

更新时间： 2024-01-17 03:59:14
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19-1295; Rev 8; 10/11  
UCSP, Single-Supply, Low-Noise,  
Low-Distortion, Rail-to-Rail Op Amps  
9–MAX4257  
General Description  
Features  
o Availa®ble in Space-Saving UCSP, SOT23, and  
The MAX4249–MAX4257 low-noise, low-distortion oper-  
ational amplifiers offer rail-to-rail outputs and single-  
supply operation down to 2.4V. They draw 400µA of  
quiescent supply current per amplifier while featuring  
ultra-low distortion (0.0002% THD), as well as low input  
voltage-noise density (7.9nV/√Hz) and low input  
current-noise density (0.5fA/√Hz). These features make  
the devices an ideal choice for portable/battery-powered  
applications that require low distortion and/or low noise.  
µMAX Packages  
o Low Distortion: 0.0002% THD (1kΩ load)  
o 400µA Quiescent Supply Current per Amplifier  
o Single-Supply Operation from 2.4V to 5.5V  
o Input Common-Mode Voltage Range Includes  
Ground  
o Outputs Swing Within 8mV of Rails with a 10kΩ  
Load  
For additional power conservation, the MAX4249/  
MAX4251/MAX4253/MAX4256 offer a low-power shut-  
down mode that reduces supply current to 0.5µA and  
puts the amplifiers’ outputs into a high-impedance  
state. The MAX4249-MAX4257’s outputs swing rail-to-  
rail and their input common-mode voltage range  
includes ground. The MAX4250–MAX4254 are unity-  
gain stable with a gain-bandwidth product of 3MHz.  
The MAX4249/MAX4255/MAX4256/MAX4257 are inter-  
nally compensated for gains of 10V/V or greater with a  
gain-bandwidth product of 22MHz. The single MAX4250/  
MAX4255 are available in space-saving 5-pin SOT23  
packages. The MAX4252 is available in an 8-bump chip-  
scale package (UCSP™) and the MAX4253 is available in  
a 10-bump UCSP. The MAX4250AAUK comes in a 5-pin  
SOT23 package and is specified for operation over the  
automotive (-40°C to +125°C) temperature range.  
o 3MHz GBW Product, Unity-Gain Stable  
(MAX4250–MAX4254)  
22MHz GBW Product, Stable with A ≥ 10V/V  
V
(MAX4249/MAX4255/MAX4256/MAX4257)  
o Excellent DC Characteristics  
V
= 70µV  
OS  
I
= 1pA  
BIAS  
Large-Signal Voltage Gain = 116dB  
o Low-Power Shutdown Mode  
Reduces Supply Current to 0.5µA  
Places Outputs in a High-Impedance State  
o 400pF Capacitive-Load Handling Capability  
Ordering Information  
PIN-  
TOP  
MARK  
PART  
TEMP RANGE  
PACKAGE  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
14 SO  
—
MAX4249ESD+  
MAX4249EUB+  
MAX4250EUK+T  
MAX4250AAUK+T  
Applications  
Wireless Communications Devices  
PA Control  
10 µMAX  
5 SOT23  
—
ACCI  
AEYJ  
-40°C to +125°C 5 SOT23  
Portable/Battery-Powered Equipment  
Medical Instrumentation  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
T = Tape and reel.  
ADC Buffers  
Ordering Information continued at end of data sheet.  
Selector Guide appears at end of data sheet.  
Digital Scales/Strain Gauges  
Pin/Bump Configurations  
TOP VIEW  
(BUMPS ON BOTTOM)  
1
2
3
A4  
A2  
A3  
A1  
V
INB-  
INB+  
SHDNB  
OUTB  
OUTA  
DD  
OUTB  
A
B
C
B4  
B1  
V
INA-  
INA+  
V
DD  
SS  
INB-  
INB+  
MAX4252  
MAX4253  
C4  
C2  
C3  
C1  
V
SS  
OUTA  
INA-  
INA+  
SHDNA  
UCSP  
UCSP  
Pin/Bump Configurations continued at end of data sheet.  
UCSP is a trademark and µMAX is a registered trademark of Maxim Integrated Products, Inc.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
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MAX4257EUA+T 替代型号

型号 品牌 替代类型 描述 数据表
MAX4257EUA+ MAXIM

完全替代

 UCSP, Single-Supply, Low-Noise, Low-Distortion, Rail-to-Rail Op Amps
MAX4257EUA MAXIM

完全替代

 OP-AMP|DUAL|BICMOS|TSSOP|8PIN|PLASTIC
MAX4257ESA MAXIM

完全替代

 OP-AMP|DUAL|BICMOS|SOP|8PIN|PLASTIC

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MAX4258ESA-T MAXIM

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MAX4258EUA ROCHESTER

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