CXAO42157A （单台）、CXAO42157B（双台）和CXAO42157C（单台停机）是低噪声、低电压和低功率运算放大器，可设计用于广泛的应用。CXAO42157A/B/C具有6MHz的高增益带宽积和3.7V/μs的转换速率。CXAO42157C具有断电禁用功能，可将电源电流降低到小于1μa。CXAO42157A/B/C设计用于在低电压和低噪声系统中提供最佳性能。它们提供轨对轨输出，使其摆动成重载。输入共模电压范围包括接地，CXAO42157A/B/C的最大输入偏置电压为3.5mV。它们是在扩展的工业温度范围（-40℃到+125℃）内指定的。工作电源范围为2V至5.5V。CXAO42157A单体有绿色SC70-5、SOT-23-5和SOIC-8封装。CXAO42157B dual提供绿色SOIC-8和MSOP-8封装。带关机功能的CXAO42157C单芯片有绿色SOT-23-6和SOIC-8封装。
•轨对轨输入和输出
3.5mV最大VOS
•高增益带宽产品：6MHz
•高转换率：3.7V/μs
•2V步进，沉降时间为0.1%：0.5μs
•过载恢复时间：0.9μs
•低噪声：1kHz时13nV/√Hz
•电源电压范围：2V至5.5V
•输入电压范围：-0.1V至+5.6V，VS=5.5V
•低供电电流
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[ CXAO42157A ]
目录
7.相关产品
产品概述 返回TOP
The CXAO42157A (single), CXAO42157B (dual) and CXAO42157C (single with shutdown) are low noise, low voltage, and low power operational amplifiers that can be designed into a wide range of applications. The CXAO42157A/B/C have a high gain-bandwidth product of 6MHz and a slew rate of 3.7V/μs. The CXAO42157C has a power-down disable feature that reduces the supply current to less than 1μA.
The CXAO42157A/B/C are designed to provide optimal performance in low voltage and low noise systems. They provide rail-to-rail output swing into heavy loads. The input common mode voltage range includes ground, and the maximum input offset voltage is 3.5mV for CXAO42157A/B/C. They are specified over the extended industrial temperature range (-40℃ to +125℃). The operating supply range is from 2V to 5.5V.
The CXAO42157A single is available in Green SC70-5, SOT-23-5 and SOIC-8 packages. The CXAO42157B dual is available in Green SOIC-8 and MSOP-8 packages. The CXAO42157C single with shutdown is available in Green SOT-23-6 and SOIC-8 packages.
产品特点 返回TOP
• Rail-to-Rail Input and Output
3.5mV Maximum VOS
• High Gain-Bandwidth Product: 6MHz
• High Slew Rate: 3.7V/μs
• Settling Time to 0.1% with 2V Step: 0.5μs
• Overload Recovery Time: 0.9μs
• Low Noise: 13nV/√Hz at 1kHz
• Supply Voltage Range: 2V to 5.5V
• Input Voltage Range: -0.1V to +5.6V with VS = 5.5V
• Low Supply Current
CXAO42157A/C: 570μA (TYP)
CXAO42157B: 480μA/Amplifier (TYP)
Less than 1μA Shutdown Current for CXAO42157C
• Small Packaging
CXAO42157A Available in Green SC70-5, SOT-23-5
and SOIC-8
CXAO42157B Available in Green MSOP-8 and
SOIC-8
CXAO42157C Available in Green SOT-23-6 and
SOIC-8
应用范围 返回TOP
Sensors
Audio
Active Filters
A/D Converters
Communications
Test Equipment
Cellular and Cordless Phones
Laptops and PDAs
Photodiode Amplification
Battery-Powered Instrumentation
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
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低噪声运算放大器 |
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|
Part No. |
CH |
SHDN |
VCC (Min) |
VCC (Max) |
VOS (mV) |
Iq/CH (μA) |
IB (pA) |
GBP (MHz) |
SR (V/μs) |
ENOISE (nV/√Hz) |
Package |
|
1 |
N |
2.1 |
5.5 |
4 |
1.2 |
1 |
11 |
8.5 |
12.5 |
SOT-23-5 SOIC-8 SC70-5 |
|
|
2 |
N |
2.1 |
5.5 |
4 |
1.1 |
1 |
11 |
8.5 |
12.5 |
SOIC-8 MSOP-8 TSSOP-8 |
|
|
1 |
Y |
2.1 |
5.5 |
4 |
1.2 |
1 |
11 |
8.5 |
12.5 |
SOT-23-6 SOIC-8 |
|
|
4 |
N |
2.1 |
5.5 |
4 |
1.1 |
1 |
11 |
8.5 |
12.5 |
SOIC-14 TSSOP-14 |
|
|
1 |
N |
2 |
5.5 |
3 |
0.27 |
1 |
3 |
1.7 |
17.5 |
SOT-23-5 SOIC-8 SC70-5 |
|
|
2 |
N |
2 |
5.5 |
3 |
0.21 |
1 |
3 |
1.7 |
17.5 |
SOIC-8 MSOP-8 |
|
|
1 |
Y |
2 |
5.5 |
3 |
0.27 |
1 |
3 |
1.7 |
17.5 |
SOT-23-6 SOIC-8 |
|
|
4 |
N |
2 |
5.5 |
3 |
0.21 |
1 |
3 |
1.7 |
17.5 |
SOIC-14 TSSOP-14 |
|
|
1 |
N |
2 |
5.5 |
3.5 |
0.57 |
1 |
6 |
3.7 |
13 |
SOT-23-5 SOIC-8 SC70-5 |
|
|
2 |
N |
2 |
5.5 |
3.5 |
0.48 |
1 |
6 |
3.7 |
13 |
MSOP-8 SOIC-8 |
|
|
1 |
Y |
2 |
5.5 |
3.5 |
0.57 |
1 |
6 |
3.7 |
13 |
SOT-23-6 SOIC-8 |
|
|
4 |
N |
2.5 |
5.5 |
3.5 |
0.47 |
1 |
6 |
3.7 |
12 |
SOIC-14 TSSOP-14 |
|
|
1 |
N |
2.5 |
5.5 |
8 |
2.3 |
6 |
50 |
66 |
8.7@1MHz |
SOT-23-5 SOIC-8 |
|
|
2 |
N |
2.5 |
5.5 |
8 |
2.3 |
6 |
50 |
66 |
8.7@2MHz |
SOIC-8 MSOP-8 |
|
|
1 |
Y |
2.5 |
5.5 |
8 |
2.3 |
6 |
50 |
66 |
8.7@3MHz |
SOT-23-6 SOIC-8 |
|
|
4 |
N |
2.5 |
5.5 |
8 |
2.3 |
6 |
50 |
66 |
8.7@4MHz |
SOIC-14 TSSOP-14 |
|
|
2 |
Y |
2.5 |
5.5 |
8 |
2.3 |
6 |
50 |
66 |
8.7@5MHz |
MSOP-10 |
|
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