CXAS42244 CXAS42245 CXAS42246由一个独立的、高增益、内部频率补偿运算放大器组成，该运算放大器设计用于在宽电压范围内从单个电源操作。也可以通过分离电源进行操作。CXAS42244 CXAS42245 CXAS42246的输入共模范围可以超出导轨，CXAS42244 CXAS42245 CXAS42246具有导轨对导轨输出电压摆动。静态电流通常为5.5mA。CXAS42244 CXAS42245 CXAS42246还具有快速回转和稳定时间，以及1300mA（源/汇）的高输出驱动能力。这些特性使得该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。
宽电源工作范围+4.5V至+19.5V
·输入公共电压范围超出轨道
“轨对轨输出电压摆动
·高源/汇容量1300mA
·低输入偏移电压3mV（典型）
·宽-3dB带宽35MHz
静态电流：5.5mA
·大直流电压增益80dB（典型）
“转换率80V/μs”单位增益稳定
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[ CXAS42244 ]
目录
7.相关产品
产品概述 返回TOP
The CXAS42244 CXAS42245 CXAS42246 consists of one independent, high gain, internally frequency compensated operational amplifiers which was 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 CXAS42244 CXAS42245 CXAS42246 can be beyond the rails, and the CXAS42244 CXAS42245 CXAS42246 is with rail-to-rails output voltage swing. The quiescent current is 5.5mA, typically. The CXAS42244 CXAS42245 CXAS42246 also feature fast slewing and settle-times, as well as high output drive capability of 1300mA (source/sink). These features make this amplifier ideal for use as reference buffers for TFT-LCD. Other applications include battery power, portable devices, and anywhere low power consumption is important. The CXAS42244 CXAS42245 CXAS42246 is housed in a TDFN3X3-8 package.
产品特点 返回TOP
„ Wide Supply Operation Range +4.5V to +19.5V
„ Input Common Voltage Range Beyond the Rails
„ Rail-to-Rail Output Voltage Swing
„ High Source/Sink Capability 1300mA
„ Low Input Offset Voltage 3mV (Typical)
„ Wide -3dB Bandwidth 35MHz
„ Quiescent Current: 5.5mA
„ Large DC Voltage Gain 80dB (Typical)
„ Slew-Rate 80V/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 |
|
