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uA741M,uA741I,uA741C(单运放)是高增益运算放大器,用于军事,工业和商业应用.这类单片硅集成电路器件提供输出短路保护和闭锁自由运作。
这些类型还具有广泛的共同模式,差模信号范围和低失调电压调零能力与使用适当的电位。
uA741M,uA741I,uA741C芯片引脚和工作说明:
1和5为偏置(调零端),2为正向输入端,3为反向输入端,4接地,6为输出,7接电源 8空脚
温度等级
Package 封装 | ||||
Part Number零件型号 | Temperature Range 工作温度范围 | N |
D | |
UA741C | 0℃ - +70℃ | • |
• | |
UA741I | -40℃ - +105℃ | • |
• | |
UA741M | -55℃ - +125℃ | • |
• | |
例如 : UA741CN |
ABSOLUTE MAXIMUM RATINGS最大额定值
Symbol符号 |
Parameter 参数 |
UA741M |
UA741I | UA741C |
Unit单位 |
VCC |
Supply voltage 电源电压 |
|
±22 |
V | |
Vid |
Differential Input Voltage 差分输入电压 |
|
±30 |
V | |
Vi |
Input Voltage 输入电压 |
|
±15 |
V | |
Ptot | Power Dissipation 功耗 | 500 |
mW | ||
Toper |
Output Short-circuit Duration输出短路持续时间 |
Infinite无限制 | |||
Operating Free-air Temperature Range工作温度 |
-55 to +125 |
-40 to +105 | 0 to +70 |
℃ | |
Tstg | Storage Temperature Range储存温度范围 | -65 to +150 |
ELECTRICAL CHARACTERISTICS VCC = ±15V, Tamb = +25°C (unless otherwise specified) 电气特性
虚拟通道连接= ± 15V , Tamb = 25 ℃ (除非另有说明)
Symbol符号 |
Parameter 参数 |
最小. | 典型. | 最大. | Unitd 单位 | ||
Vio |
Input Offset Voltage (Rs ≤ 10KΩ) 输入失调电压 |
- |
mV | ||||
Tamb = +25℃ | - | 1 | 5 | ||||
Tmin ≤ Tamb ≤ Tmax | - | - | 6 | ||||
Iio |
Input Offset Current 输入失调电流 |
nA | |||||
Tamb = +25℃ | - | 2 | 30 | ||||
Tmin ≤ Tamb ≤ Tmax | - | - | 70 | ||||
Iib |
Input Bias Current 输入偏置电流 |
nA | |||||
Tamb = +25℃ | - | 10 | 100 | ||||
Tmin ≤ Tamb ≤ Tmax | - | - | 200 | ||||
Avd |
Large Signal Voltage Gain (Vo=±10V, RL=2KΩ) 大信号电压增益 |
V/mV | |||||
Tamb = +25℃ | 50 | 200 | - | ||||
Tmin ≤ Tamb ≤ Tmax | 25 | - | |||||
SVR |
Supply Voltage Rejection Ratio (Rs ≤ 10KΩ) 电源电压抑制比 |
dB | |||||
Tamb = +25℃ | 77 | 90 | - | ||||
Tmin ≤ Tamb ≤ Tmax | 77 | - | - | ||||
ICC |
Supply Current, no load 电源电流(空载) |
mA | |||||
Tamb = +25℃ | - | 1.7 | 2.8 | ||||
Tmin ≤ Tamb ≤ Tmax | - | - | 3.3 | ||||
Vicm |
Input Common Mode Voltage Range 输入共模电压范围 |
V | |||||
Tamb = +25℃ | ±12 | - | - | ||||
Tmin ≤ Tamb ≤ Tmax | ±12 | - | - | ||||
CMR |
Common Mode Rejection Ratio (RS ≤ 10KΩ)共模抑制比 |
dB | |||||
Tamb = +25℃ | 70 | 90 | - | ||||
Tmin ≤ Tamb ≤ Tmax | 70 | - | - | ||||
IOS |
Output short Circuit Current输出短路电流 |
10 | 25 | 40 | mA | ||
±Vopp | Output Voltage Swing输出电压摆幅 | Tamb=+25℃ | RL=10KΩ | 12 | 14 | - | V |
RL=2KΩ | 10 | 13 | - | ||||
Tmin≤Tamb ≤Tmax | RL=10KΩ | 12 | - | - | |||
RL=2KΩ | 10 | - | - | ||||
SR |
Slew Rate Vi=±10V,RL=2KΩ,CL=100pF,unity Gain 转换率 单位增益 |
0.25 | 0.5 | - |
V/μs | ||
tr |
Rise Time Vi = ±20mV, RL =2KΩ,CL = 100pF, unity Gain 上升时间 单位增益 |
- | 0.3 | - |
μs | ||
Kov |
Overshoot Vi=20mV,RL=2KΩ,CL=100pF,unity Gain 超虚拟 单位增益 |
- | 5 | - |
% | ||
Ri |
Input Resistance 输入阻抗 |
0.3 | 2 | - |
MΩ | ||
GBP |
Gain Bandwith Product Vi = 10mV, RL =2KΩ,CL = 100pF, f =100kHz 带宽增益 |
0.7 | 1 | - |
MHz | ||
THD |
Total Harmonic Distortion f = 1kHz, Av = 20dB, RL=2KΩ,Vo=2Vpp, CL=100pF,Tamb=+25℃ 总谐波失真 |
- | 0.06 | - |
% | ||
en |
Equivalent Input Noise Voltage f=1kHz,Rs=100Ω 等效输入噪声电压 |
- | 23 | - |
nV | ||
¢m |
Phase Margin 相位裕度 |
- | 50 | - |
Degrees |
本文译自ST公司的UA741 |
UA741C,UA741CDT,741
ST