CXAS42238由两个独立的、高增益、内部频率补偿运算放大器组成，这些运算放大器被设计成在一个电源的宽电压范围内工作。也可以通过分离电源进行操作。CXAS42238 CXAS42239的输入共模范围可以超出导轨，并且CXAS42238 CXAS42239具有导轨到导轨的输出电压摆动。每个放大器的静态电流为500μA。CXAS42238 CXAS42239还具有快速旋转和稳定时间，以及60毫安（源/汇）的高输出驱动能力。这些特性使这些放大器非常适合用作TFT-LCD的参考缓冲器。其他应用包括电池电源、便携式设备以及任何重要的低功耗应用。CXAS42238 CXAS42239封装在8针MSOP、SOP和SOP（热垫）封装中。
·宽电源工作范围+4.5V至+16V
·输入公共电压范围超出轨道
“轨对轨输出电压摆动
·低输入偏移电压3mV（典型）
宽带宽（单位增益）4MHz
·低静态电流：每个放大器500μA
·大直流电压增益100dB（典型）
·回转率5.5V/μs
“单位增益稳定
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[ CXAS42238 ]
目录
7.相关产品
产品概述 返回TOP
The CXAS42238 CXAS42239 consists of two independent, high gain, internally frequency compensated operational amplifiers which were designed to operate from a single power supply over a wide range of voltages. Operation from split power supplies is also possible. The input common mode range of the CXAS42238 CXAS42239 can be beyond the rails, and the CXAS42238 CXAS42239 are with rail-to-rails output voltage swing. The quiescent current is 500μA per amplifier. The CXAS42238 CXAS42239 also feature fast slewing and settle-times, as well as high output drive capability of 60mA (source/sink).These features make these amplifiers ideal for use as reference buffers for TFT-LCD. Other applications include battery power, portable devices, and anywhere low power consumption is important. The CXAS42238 CXAS42239 is housed in 8-pin MSOP, SOP and SOP (thermal pad) packages.
产品特点 返回TOP
„ Wide Supply Operation Range +4.5V to +16V
„ Input Common Voltage Range Beyond the Rails
„ Rail-to-Rail Output Voltage Swing
„ Low Input Offset Voltage 3mV (Typical)
„ Wide Bandwidth (unit gain) 4MHz
„ Low Quiescent Current: 500μA per Amplifier
„ Large DC Voltage Gain 100dB (Typical)
„ Slew-Rate 5.5V/μs
„ Unit-Gain Stable
应用范围 返回TOP
„ Portable Equipment
„ LCD-TV Equipment
„ Battery-Powered Equipment
„ ASIC Input or Output Amplifier
„ Low Power/Low Voltage Applications
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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Operational Amplifier |
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|
Part NO. |
VDD (V)min |
VDD (V) max |
CH |
IOUT (mA) |
S/R (V/μs) |
BW (MHz) |
Offset (mV) |
Note |
Package |
|
2.2 |
5.5 |
1 |
66 |
6.5 |
6.5 |
1.5 |
Rail-to-Rail Input/Output |
SC-70-5/SOT-23-5 |
|
|
2 |
5.5 |
1 |
12 |
1 |
3 |
1 |
Rail-to-Rail Input/Output |
SOT-23-5 |
|
|
3 |
6.5 |
2 |
100 |
5 |
6 |
5 |
Rail-to-Rail Output |
MSOP-8 |
|
|
2.2 |
7 |
1 |
100 |
6.5 |
6.5 |
5 |
Rail-to-Rail Input/Output |
SOT-23-5/SC-70-5 |
|
|
2.2 |
7 |
1 |
100 |
6.5 |
6.5 |
2 |
Rail-to-Rail Input/Output |
SOT-23-5/WDFN1.6X1.6-6 |
|
|
2.2 |
5.5 |
2 |
66 |
6 |
2.5 |
5 |
Rail-to-Rail Input/Output |
MSOP-8/SOP-8/SOT-23-8 |
|
|
3 |
5.5 |
4 |
66 |
6 |
2.5 |
5 |
Rail-to-Rail Input/Output |
TSSOP-14 |
|
|
4.5 |
16 |
2 |
50 |
5.5 |
4 |
3 |
Rail-to-Rail Input/Output |
SOP-8/MSOP-8/SOP-8(FD) |
|
|
4.5 |
16 |
4 |
50 |
5.5 |
4 |
3 |
Rail-to-Rail Input/Output |
TSSOP-14/TQFN4X4-16 |
|
|
4.5 |
16.5 |
4 |
300 |
30 |
30 |
3 |
Rail-to-Rail Output |
TSSOP-14(FD) |
|
|
4.5 |
20 |
1 |
65 |
150 |
30 |
2 |
Rail-to-Rail Input/Output |
TSOT-23-5/SC-70-5 |
|
|
4.5 |
20 |
2 |
65 |
150 |
30 |
2 |
Rail-to-Rail Input/Output |
SOP-8(FD)/MSOP-8 |
|
|
4.5 |
20 |
4 |
65 |
150 |
30 |
2 |
Rail-to-Rail Input/Output |
TSSOP-14/(FD) |
|
|
4.5 |
19.5 |
1 |
400 |
80 |
35 |
3 |
Rail-to-Rail Output |
TDFN3X3-8 |
|
|
4.5 |
20 |
1 |
400 |
50 |
35 |
3 |
Rail-to-Rail Input/Output |
TDFN3X3-8/MSOP-8(FD) |
|
|
4.5 |
20 |
4 |
400 |
50 |
35 |
3 |
Rail-to-Rail Output |
TSSOP-14(FD)/TQFN4X4-16 |
|
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