CXAO42143A CXAO42143B是具有低输入偏置电压和偏置电流的输入输出精密运算放大器。它们保证在2.5V到5.5V的单电源下工作。CXAO42143A CXAO42143B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CXAO42143A CXAO42143B对于温度、位置和压力传感器、医疗设备和应变计放大器，或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。单个CXAO42143A有绿色SOT-23-5、SOIC-8和MSOP-8封装。双CXAO42143B有绿色SOIC-8和MSOP-8封装。它们适用于扩展的工业/汽车（-40℃至+125℃）温度范围。
•低偏移电压：90μV（最大值）
•低噪声密度：1kHz时为21nV/√Hz
•低压噪声：0.1Hz至10Hz时为0.6μVP-P
•3.5MHz英镑
•转换速率为3V/μs
•轨对轨输入和输出摆动
•2.5V至5.5V单电源操作
•电压增益：133dB（典型值）+5V
•高PSRR:96dB（典型值）
•高共模抑制比：98dB（典型值）
•超低输入偏置电流：30pA
•低电源电流：950μA/放大器（典型）
•过载恢复时间：40μs（VS=+5V）
•无需外部电容器
[ CXAO42143A ]
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产品概述 返回TOP
The rail-to-rail input and output swings provided by the CXAO42143A/B make both high-side and low-side sensing easy. The combination of characteristics makes the CXAO42143A/B 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 single CXAO42143A is available in the Green SOT-23-5, SOIC-8 and MSOP-8 packages. The dual CXAO42143B is available in the Green SOIC-8 and MSOP-8 packages. They are specified for the extended industrial/automotive (-40℃ to +125℃) temperature range.
产品特点 返回TOP
• Low Offset Voltage: 90μV (MAX)
• Low Noise density: 21nV/ √Hz at 1kHz
• Low Voltage Noise: 0.6μVP-P at 0.1Hz to 10Hz
• 3.5MHz GBP
• Slew Rate is 3V/μs
• Rail-to-Rail Input and Output Swing
• 2.5V to 5.5V Single Supply Operation
• Voltage Gain: 133dB (TYP) at +5V
• High PSRR: 96dB (TYP)
• High CMRR: 98dB (TYP)
• Ultra Low Input Bias Current: 30pA
• Low Supply Current: 950μA/Amplifier (TYP)
• Overload Recovery Time: 40μs (at VS = +5V)
• No External Capacitors Required
• -40℃ to +125℃ Operating Temperature Range
• Small Packaging:
CXAO42143A Available in Green SOT-23-5, SOIC-8
and MSOP-8
CXAO42143B Available in Green SOIC-8 and MSOP-8
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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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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