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PA34CX

更新时间： 2023-07-15 00:00:00
品牌 Logo 应用领域
凌云 - CIRRUS 局域网放大器
页数 文件大小 规格书
6页 253K
描述
Operational Amplifier, 1 Func, 10000uV Offset-Max, BIPolar, PZFM7, STAGGERED, PLASTIC, TO-220, 7 PIN

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PA34CX 技术参数

生命周期：Active零件包装代码：SFM
包装说明：TO-220,针数：3
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：5.6
放大器类型：OPERATIONAL AMPLIFIER标称共模抑制比：85 dB
最大输入失调电压：10000 µVJESD-30 代码：R-PZFM-T7
负供电电压上限：-20 V标称负供电电压 (Vsup)：-15 V
功能数量：1端子数量：7
最高工作温度：125 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：TO-220
封装形状：RECTANGULAR封装形式：FLANGE MOUNT
认证状态：Not Qualified标称压摆率：1.2 V/us
供电电压上限：20 V标称供电电压 (Vsup)：15 V
表面贴装：NO技术：BIPOLAR
温度等级：AUTOMOTIVE端子形式：THROUGH-HOLE
端子位置：ZIG-ZAG标称均一增益带宽：600 kHz
Base Number Matches：1

PA34CX 数据手册

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POWER OPERATIONAL AMPLIFIER  
PA34  
M
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HTTP://WWW.APEXMICROTECH.COM (800) 546-APEX (800) 546-2739  
Not recommended for new design in.  
FEATURES  
• LOW COST  
• WIDE COMMON MODE RANGE Includes negative supply  
• WIDE SUPPLY VOLTAGE RANGE  
Single supply: 5V to 40V  
Split supplies: 2ꢀ5V to 20V  
• HIGH EFFICIENCY — |Vs–2ꢀ8V| at 2ꢀ5A typ  
• HIGH OUTPUT CURRENT — 2ꢀ5A min  
• INTERNAL CURRENT LIMIT  
• LOW DISTORTION  
• PACKAGING OPTIONS  
7 TO-220 Plastic Package (PA34CD)  
7 TO-220 with Staggered Lead Form (PA34CX)  
7 DDPAK Surface Mount Package (PA34CC)  
TYPICAL APPLICATION  
Ref: APPLICATION NOTE 20: "Bridge Mode Operation of Power Amplifiers"  
R2  
R3  
+28V  
9K  
+28V  
10K  
R4  
APPLICATIONS  
• HALF & FULL BRIDGE MOTOR DRIVERS  
• AUDIO POWER AMPLIFIER  
10K  
R1  
5K  
R5  
–
–
Unit B  
+
10K  
M
Unit A  
+
• IDEAL FOR SINGLE SUPPLY SYSTEMS  
5V Peripherals, 12V Automotive, 28V Avionic  
PA34  
1Ω  
.1µF  
PA34  
1Ω  
.1µF  
R6  
10K  
COMMAND  
INPUT  
0/10V  
DESCRIPTION  
The PA34 consists of a monolithic power operational  
amplifier in three standard package designs. The surface  
mount version of the PA34, the PA34CC, is an industry  
standard non-hermetic plastic 7-pin DDPAK.The through hole  
versions of the PA34, the PA34CD and PA34CX, are industry  
standard non-heremetic plastic 7-pin TO-220 packages. The  
PA34CX is a staggered lead formed PA34CD and offers  
industry standard 100 mil spacing. This allows for easier PC  
board layout. (Please reference to the lead form datasheet  
drawing LF005 for package dimensions of the PA34CX.  
The wide common mode input range includes the negative  
rail, facilitating single supply applications. It is possible  
to have a "ground based" input driving a single supply  
amplifier with ground acting as the "second" or "bottom"  
supply of the amplifier.  
BIDIRECTIONAL MOTOR DRIVE  
E
R1 and R2 set up amplifier A in a non-inverting gain of  
2.8. Amp B is set up as a unity gain inverter driven from the  
output of amp A. Note that amp B inverts signals about the  
reference node, which is set at mid-supply (14V) by R5 and  
R6. When the command input is 5V, the output of amp A is  
14V. Since this is equal to the reference node voltage, the  
output of amp B is also 14V, resulting in 0V across the motor.  
Inputs more positive than 5V result in motor current flow from  
left to right. Inputs less positive than 5V drive the motor in  
the opposite direction. (See PA21/25/26/37 Datasheet for  
additional application description.)  
The output stage is also well protected. They possess  
internalcurrentlimitcircuits.Whilethedeviceiswellprotected,  
the Safe Operating Area (SOA) curve must be observed.  
Proper heatsinking is required for maximum reliability.  
The monolithic amplifier is directly attached to the metal  
tabs of the PA34CC, PA34CD, and PA34CX. The metal tabs  
are directly tied to -Vs.  
EXTERNAL CONNECTIONS  
PA34CD  
PA34CX  
PA34CC  
VBOOST  
EQUIVALENT SCHEMATIC  
+VS  
+IN  
– IN  
OUT  
ISENSE  
RS  
– VS  
APEX MICROTECHNOLOGY CORPORATION • TELEPHONE (520) 690-8600 • FAX (520) 888-3329 • ORDERS (520) 690-8601 • EMAIL prodlit@apexmicrotech.com  
235  
123456

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