 LM358 内部包括有两个独立的、高增益、内部频率补偿的双运算放大器,适合于电源电压范围很宽的单 电源使用,也适用于双电源工作模式,在推荐的工作条件下,电源电流与电源电压无关。它的使用范围包 括传感放大器、直流增益模块和其他所有可用单电源供电的使用运算放大器的场合。 LM358 的封装形式有塑封 8引线双列直插式、贴片式和圆形金属壳封装等。 图 14 电压跟随器 图 15 功率放大器外围电路 图 16 电压控制振荡器 VCO lm358应用电路图
图 4 直流耦合低通 RC 有源滤波器 图 5 LED驱动器 图 6 TTL驱动电路
图 1 DIP塑封 引脚 图 引脚 功能 图 2 圆形金属壳封装管脚图 图 3 内部电路原理图
图 7 RC有源带通滤波器 UTC LM358 LINEAR INTEGRATED CIRCUIT ；UTC LM358 线性集成电路 UTC UNISONIC TECHNOLOGIES CO.,LTD. 1 QW-R105-001,A DUAL OPERATIONAL AMPLIFIER ;双路运算放大器 DESCRIPTION ;描述 The UTC LM358 consists of two independent high gain, ;在UTC LM358包含两个独立的高增益 internally frequency compensated operational amplifier. ;内部频率补偿运算放大器 It can be operated from a single power supply and also split power supplies. ;它可以在一个单电源供电，也分为电源 FEATURES ;特征 *Internally frequency compensated for unity gain. ；内部频率增益补偿 *Wide power supply range 3V - 32V. ；宽电源电压范围：3V - 32V *Input common-mode voltage range include ground. ；输入共模电压范围包括地 *Large DC voltage gain. ；大型直流电压增益 APPLICATIONS ；应用 *General purpose amplifier. ；通用放大器 *Transducer amplifier. ；传感器放大器 DIP-8 SOP-8 PIN CONFIGURATIONS 1 2 3 4 8 7 6 5 OUTPUT2 INPUT1(+) INPUT2(-) VEE / GND OUTPUT 1 Vcc INPUT1(-) INPUT2(+) UTC LM358 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO.,LTD. 2 QW-R105-001,A BLOCK DIAGRAM ；框图 For one channel ；1通道 INPUT (-) INPUT (+) Vcc OUTPUT Vee T16 T18 T17 R1 R2 T13 T14 T15 T12 T10 T11 C1 T9 T8 T4 T3 T5 T6 T7 T1 T21 T20 T2 ABSOLUTE MAXIMUM RATINGS ；绝对最大额定值 PARAMETER SYMBOL VALUE UNIT ；参数符号价值单位 Supply Voltage Vcc +-16 or 32 V ；电源电压VCC + -16或32伏 Differential Input Voltage VI(DIFF) +-32 V ；差分输入电压VI（DIFF）+ -32 V Input Voltage VI -0.3 ~ +32 V ;输入电压VI -0.3?+32 V Output Short to Ground Continuous ;输出对地短路连续 Operating Temperature Range ;工作温度范围 TOPR 0 ~ +70 °C Storage Temperature Range TSTG -65 ~ +150 °C ；储存温度范围 TSTG-65?+150℃ UTC LM358 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO.,LTD. 3 QW-R105-001,A ELECTRICAL CHARACTERISTICS(Vcc=5.0V,VEE=GND,TA=25°C, unless otherwise specified￡ . ;电气特性（Vcc = 5.0V，VEE=接地，TA= 25℃，除非另有说明￡。 PARAMETER SYMBOL TEST CONDITION MIN TYP MAX UNIT ;参数符号测试条件最小值典型值最大值单位 Input Offset Voltage VIO VCM=0V toVCC-1.5V VO(P)=1.4V,RS=0W ;输入失调电压比 VCM= 0V到VCC - 1.5V VO(P)= 1.4V的，RS=0W 2.9 7.0mV 2.9 7.0 mV Input Offset Current IIO 5 50 nA ;输入失调电流IIO=5 50nA Input Bias Current IBIAS 45 250 nA;输入偏置电流IBIAS 45 250 nA Input Common Mode Voltage VI(R) VCC=30V 0 VCC-1.5 V ；输入共模电压VI（R）VCC= 30V 0 VCC- 1.5 V Power Supply Current ICC RL=μ,VCC=30V 0.8 2.0 mA ;电源电流 ICC RL =μ，VCC= 30V 0.8 2.0mA RL=μ,Full Temperature ;RL=u,全温度 Range ；范围 0.5 1.2 mA 0.5 1.2 mA Large Signal Voltage Gain GV VCC=15V,RL>=2KW ；大信号电压增益 GV VCC=15V,RL>=2KW VO(P)=1V to 11V 25 100 V/mV VO(P)=1V to 11V 25 100 V/mV Output Voltage Swing VO(H) VCC=30V,RL=2KW 26 V ；输出电压摆幅 VO(H) VCC=30V,RL=2KW 26 V VCC=30V,RL=10KW 27 28 V VO(L) C=5V,RL>=10KW 5 20 mV VCC=30V,RL=10KW 27 28 V VO(L) VCC=5V,RL>=10KW 5 20 mV Common Mode Rejection Ratio ；共模抑制比 CMRR 65 80 dB ；共模抑制比65 80dB Power Supply Rejection Ratio ；电源抑制比 PSRR 65 100 dB Channel Separation CS f=1KHZ to 20KHZ 120 dB ；通道隔离 Short Circuit Current to Ground ；短路电流对地 ISC 40 60 mA Output Current ISOURCE VI(+)=1V,VI(-)=0V ；输出电流 VCC=15V,VO(P)=2V 10 30 mA ISINK VI(+)=0V,VI(-)=1V VCC=15V,VO(P)=2V 10 15 mA VI(+)=0V,VI(-)=1V VCC=15V,VO(P)=200mV 12 100 mA Differential Input Voltage VI(DIFF) VCC V ；差分输入电压 UTC LM358 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO.,LTD. 4 QW-R105-001,A TYPICAL PERFORMANCE CHARACTERISTICS 0 5 10 15 5 0 10 15 Fig.1 Input Voltage Range ；输入电压范围 Power Supply Voltage ；电源电压 Input Voltage ；输入电压 Positive ；正面 Input Negative ；负 Input -50 -25 0 25 50 75 100 0 20 40 60 80 100 Vcc=+15V Vcc=+5V Vcc=+30V Fig.2 Input Current vs Temperature ；输入电流与温度的关系 Input Current (mA) ；输入电流 Temperature(￠XC) ；温度 0 10 20 30 40 0 10 20 30 40 Vcc Ic Ta= 0~+85￠XC Ta= -40￠XC Fig.3 Input Current vs Supply Voltage ；输入电流对供电电压 Input Current (mA) Supply Voltage (V) ；电源电压 0 7.5 15 22.5 30 0 40 80 120 160 Fig. 4 Voltage Gain vs Supply Voltage ；电压增益队电源电压 Voltage Gain . (dB) Supply Voltage (V) RL=20kW RL=2kW Fig. 5 Open Loop Gain vs Frequency ；开环增益随频率 Voltage Gain (dB) 0 20 40 60 80 120 100 100 101 2 10 103 104 105 106 107 Frequency (Hz) Vcc=30V Vcc=15V 0.1 mF 100M W Vcc Vin Vcc/2 2 10 103 104 105 106 0 20 40 60 80 100 120 Fig. 6 Common Mode Rejection Ratio vs Frequency ； 共模抑制比与频率 Common Mode Rejection Ratio (dB) Frequency (Hz) 100k W -7.5V 100 W 100W 100k W +7.5V Vin Vcc=+7.5V Vee=-7.5V UTC LM358 LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO.,LTD. 5 QW-R105-001,A Time. ( ms) Frequency (Hz) 6 10 104 10 3 5 10 0 5 10 15 Fig. 9 Gain vs Large Signal Frequency ；增益队大信号频率 Output Voltage Gain (Vp-p) 100k 2k 1k Vi +15V +7V Vcc Vcc/ 2 Io Vo Vcc=+5V Vcc=+15V Vcc=+30V 10-3 10-2 10-1 1 10 2 10 10-1 1 10 Fig. 11 Output Sink Current vs Output Voltage ；输出反向电流对输出电压 Output Voltage (V) Output Sink Current (mA) 10-1 10-2 10-3 10 2 1 10 1 2 3 4 5 6 7 8 Vcc Vcc/ 2 Io Vo Ta=25￠XC Fig. 10 Output Current Sinking vs Output Voltage ；输出灌电流输出电压队 Output Voltage Vo(V) Output Source Current (mA) ；输出电流 Fig. 8 Voltage Follower Response (Small Signal) ；电压跟随响应（小信号） Output Voltage (V) 0 1 2 3 4 5 6 7 8 9 300 350 400 450 Output Voltage1 (V) Input Voltage (V) Time (uS) RL=2kW Vcc=15V 0 1 2 3 2 3 1 0 0 10 20 30 40 50 Fig. 7 Voltage Follower Pulse Response ；电压跟随脉冲响应 -50 -25 0 25 50 75 100 0 20 40 60 Temperatureè (￠XC) Output Current Io (mA) Fig.12 Current Limiting vs Temperature ；限流与温度的关系 |
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