CXAO42144是一个单轨输入输出精密运算放大器，具有低输入偏置电压和偏置电流。保证在2.5V到5.5V的单电源下工作。
CXAO42144提供的轨对轨输入和输出摆动使高侧和低侧的感应都很容易。这些特性的结合使得CXAO42144对于温度、位置和压力传感器、医疗设备和应变计放大器，或者任何其他需要精度和长期稳定性的2.5V到5.5V应用来说都是很好的选择。
CXAO42144适用于扩展的工业/汽车（-40℃至+125℃）温度范围。CXAO42144有绿色SOT-23-5、SOIC-8和MSOP-8封装。
•低偏移电压：25μV（典型值）
•轨对轨输入和输出摆动
•2.5V至5.5V单电源操作
•电压增益：145dB（典型值）
•PSRR:120dB（典型值）
•共模抑制比：90dB（典型值）
•超低输入偏置电流：
•低供电电流：445μA
•过载恢复时间：70μs
[ CXAO42144 ]
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产品概述 返回TOP
The rail-to-rail input and output swings provided by the CXAO42144 make both high-side and low-side sensing easy. The combination of characteristics makes the CXAO42144 good choices for temperature, position and pressure sensors, medical equipment and strain gauge amplifiers, or any other 2.5V to 5.5V application requiring precision and long term stability.
The CXAO42144 is specified for the extended industrial/automotive (-40℃ to +125℃) temperature range. The CXAO42144 is available in the Green SOT-23-5, SOIC-8 and MSOP-8 packages.
产品特点 返回TOP
• Low Offset Voltage: 25μV (TYP)
• Rail-to-Rail Input and Output Swing
• 2.5V to 5.5V Single Supply Operation
• Voltage Gain: 145dB (TYP)
• PSRR: 120dB (TYP)
• CMRR: 90dB (TYP)
• Ultra Low Input Bias Current:
• Low Supply Current: 445μA
• Overload Recovery Time: 70μs
• No External Capacitors Required
• -40℃ to +125℃ Operating Temperature
• Available in Green SOT-23-5, SOIC-8 and
MSOP-8 Packages
应用范围 返回TOP
Temperature Measurements
Pressure Sensors
Precision Current Sensing
Electronic Scales
Strain Gauge Amplifiers
Medical Instrumentation
Thermocouple Amplifiers
Handheld Test Equipment
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产品封装图 返回TOP
电路原理图 返回TOP
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高精度运算放大器 |
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Part No. |
CH |
SHDN |
VCC (Min) |
VCC (Max) |
Vos (mV) |
Iq/CH (μA) |
Drift μV/℃ |
IB (pA) |
GBP (MHz) |
SR (V/μs) |
ENOISE (nV/√Hz) |
ENOISE (μVPP) |
Package |
|
1 |
N |
4.5 |
36 |
1.5 |
144 |
3 |
20 |
1.4 |
5 |
45 |
SOT-23-5 SOIC-8 MSOP-8 |
||
|
2 |
N |
4.5 |
36 |
1.5 |
144 |
3 |
20 |
1.4 |
5 |
45 |
SOIC-8 MSOP-8 |
||
|
4 |
N |
4.5 |
36 |
1.5 |
144 |
3 |
20 |
1.4 |
5 |
45 |
SOIC-14 TSSOP-14 |
||
|
1 |
N |
2.5 |
5.5 |
0.02 |
930 |
0.02 |
10 |
1.53 |
0.9 |
47.5 |
0.8 |
SOT-23-5 SOIC-8 MSOP-8 |
|
|
2 |
N |
2.5 |
5.5 |
0.02 |
465 |
0.02 |
10 |
1.53 |
0.9 |
47.5 |
0.8 |
SOIC-8 MSOP-8 |
|
|
4 |
N |
2.5 |
5.5 |
0.02 |
465 |
0.07 |
10 |
1.5 |
1 |
63 |
1.6 |
SOIC-14 TSSOP-14 |
|
|
1 |
N |
2.5 |
5.5 |
0.09 |
950 |
0.05 |
30 |
3.5 |
3 |
21 |
0.6 |
SOT-23-5 SOIC-8 MSOP-8 |
|
|
2 |
N |
2.5 |
5.5 |
0.09 |
950 |
0.05 |
30 |
3.5 |
3 |
21 |
0.6 |
SOIC-8 MSOP-8 |
|
|
1 |
N |
2.5 |
5.5 |
0.1 |
445 |
0.1 |
15 |
1.45 |
0.75 |
47.5 |
0.85 |
SOT-23-5 SOIC-8 MSOP-8 |
|
|
2 |
N |
2.5 |
5.5 |
0.1 |
430 |
0.1 |
15 |
1.5 |
0.9 |
49 |
0.8 |
SOIC-8 MSOP-8 |
|
|
4 |
N |
2.5 |
5.5 |
0.1 |
430 |
0.15 |
60 |
1.5 |
0.9 |
78 |
1.4 |
SOIC-14 TSSOP-14 |
|
|
2 |
N |
3 |
5.5 |
0.9 |
3000 |
1.6 |
12.7 |
6.8 |
6 |
SOIC-8 MSOP-8 TSSOP-8 |
|||
|
2 |
N |
3 |
5.5 |
1 |
5500 |
1.5 |
8.9 |
5.1 |
6 |
MSOP-10 |
|||
|
1 |
N |
1.6 |
5.5 |
0.6 |
6.4 |
2.5 |
1 |
0.11 |
0.04 |
105 |
SOT-23-5 SC70-5 |
||
|
2 |
N |
1.6 |
5.5 |
0.9 |
6.4 |
2.5 |
1 |
0.11 |
0.04 |
105 |
SOIC-8 MSOP-8 |
||
|
1 |
Y |
1.6 |
5.5 |
0.6 |
6.4 |
2.5 |
1 |
0.11 |
0.04 |
105 |
SOT-23-6 SOIC-8 MSOP-8 |
||
|
1 |
N |
1.8 |
5.5 |
0.9 |
80 |
1.5 |
3 |
1.5 |
0.8 |
30 |
SOT-23-5 SC70-5 SOIC-8 MSOP-8 |
||
|
2 |
N |
1.8 |
5.5 |
0.9 |
80 |
1.5 |
3 |
1.5 |
0.8 |
30 |
SOIC-8 MSOP-8 |
||
|
1 |
Y |
1.8 |
5.5 |
0.9 |
80 |
1.5 |
3 |
1.5 |
0.8 |
30 |
SOT-23-6 SOIC-8 MSOP-8 |
||
|
4 |
N |
1.8 |
5.5 |
0.9 |
80 |
1.5 |
3 |
1.5 |
0.8 |
30 |
SOIC-14 TSSOP-14 |
||
|
1 |
N |
1.8 |
5.5 |
0.8 |
26 |
0.11 |
0.045 |
115 |
3.5 |
SOT-23-5 SOIC-8 |
|||
|
2 |
N |
1.8 |
5.5 |
0.8 |
17 |
0.11 |
0.045 |
115 |
3.5 |
SOIC-8 MSOP-8 |
|||
|
1 |
N |
1.8 |
5.5 |
0.05 |
20 |
0.08 |
130 |
0.35 |
0.18 |
2 |
SOT-23-5 SC70-5 SOIC-8 |
||
|
2 |
N |
1.8 |
5.5 |
0.05 |
20 |
0.08 |
130 |
0.35 |
0.18 |
2 |
SOIC-8 MSOP-8 TDFN-3x3-8L |
||
|
1 |
N |
1.8 |
5.5 |
0.025 |
20 |
0.08 |
130 |
0.35 |
0.18 |
2 |
SOT-23-5 SC70-5 SOIC-8 |
||
|
2 |
N |
1.8 |
5.5 |
0.025 |
20 |
0.08 |
130 |
0.35 |
0.18 |
2 |
SOIC-8 TDFN-3x3 -8L MSOP-8 |
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