SG2012D中文说明书_V2.0.doc

高输出驱动轨对轨输入输出运算放大器SG2012D特征 30mA输出驱动能力 轨对轨输入和输出 低功耗，每运放1.1mA工作电流 2.5V到5.5V的工作电压范围 10MHz增益带宽 高回转率：10V/s 100dB电压增益（RL=100k） 85dB电源抑制比，较强抗RF及手机噪声 过驱动输入没有相位翻转 在780pF电容负载下有一致稳定的增益 SOP8封装应用 在无线耳机应用中RF功放偏置控制 便携式/电池供电设备音频应用 便携式耳机扬声器驱动（32） 音频无绳汽车电话 便携式/笔记本电脑/TFT屏 音频接口/声卡 置顶盒 D/A转化缓冲器 变换/线性驱动 马达驱动 音响及无线音响概述SG2012D是双通道，高输出驱动CMOS运放，在2.7V到5.5V单电源工作条件下，具有200mA的峰值驱动电流、轨对轨输入和输出能力。该放大器具有10V/s的高回转率，和10MHz的增益带宽（GBWP）。SG2012D可以驱动典型的耳机级负载（32），还可以在无线耳机应用中偏置RF功放（PA）。框图引脚分布No.符号功能描述I/O1OUT1运放1输出O2IN1-运放1负端输入I3IN1+运放1正端输入I4VSS地G5IN2+运放2正端输入I6IN2-运放2负端输入I7OUT2运放2输出O8VDD电源P极限参数 (TA=25)参数符号参数范围单位电源电压VDD6V其它引脚(VSS-0.3V)(VDD+0.3V)功率消耗PD714mW工作温度Topr-40+125贮存温度Tstg-65+150直流电气特性(VDD = 2.7V, VSS = 0V, VCM = VDD/2, VOUT = (VDD/2), RL = connected to (VDD/2), )（TA = +25C, unless otherwise noted.)符号参数测试条件Min.Typ.Max.单位VDDOperating Supply Voltage Range2.55.5VVOSInput Offset Voltage0.856mVIBInput Bias CurrentVCM = VSS to VDD50pAIOSInput Offset CurrentVCM = VSS to VDD50pARINInput Resistance1000MVCMCommon-Mode Input Voltage RangeVDD=2.7V to 5.5VVSSVDDVCMRRCommon-Mode Rejection RatioVSSVCM VDD5270dBPSRRPower-Supply Rejection Ratio7385dBAVOLLarge-Signal Voltage GainVSS+0.2VVOUT VDD-0.2VRL = 100k100dBRL = 2k8598RL = 2007480VOUT1Output Voltage SwingRL =32VDD-VOH400500mVVOL-VSS360500RL = 200VDD-VOH80120VOL-VSS70120RL = 2kVDD-VOH814VOL-VSS714IOUTOutput Source/Sink CurrentVDD=2.7V, VIN=100mV70mAVDD=5.0V, VIN=100mV200VOUT2Output VoltageIL = 10mAVDD=2.7VVDD-VOH128200mVVOL-VSS112175IL = 30mAVDD=5VVDD-VOH240320VOL-VSS224300IDDQuiescent Supply Current (per Amplifier)VDD = 5.5V, VCM = VDD/21.22.3mAVDD = 2.7V, VCM = VDD/21.12.0直流电气特性(VDD = 2.5V, VSS = 0V, VCM = VDD/2, VOUT = (VDD/2), RL = connected to (VDD/2), TA = -40 to +125C, unless otherwise noted.)符号参数测试条件Min.Typ.Max.单位VDDOperating Supply Voltage Range2.55.5VVOSInput Offset Voltage8mVVOS/TOffset-Voltage Tempco3V/VCMCommon-Mode Input Voltage RangeVSSVDDVCMRRCommon-Mode Rejection RatioVSSVCM VDD46dBPSRRPower-Supply Rejection RatioVDD=2.5V to 5.5V70dBAVOLLarge-Signal Voltage GainVSS+0.2VVOUT VDD-0.2VRL = 2k76dBRL = 20067VOUT1Output Voltage SwingRL =32TA = +25VDD-VOH650mVVOL-VSS650RL = 200VDD-VOH150VOL-VSS150RL = 2kVDD-VOH20VOL-VSS20VOUT2Output VoltageIL = 10mAVDD=2.5VVDD-VOH250mVVOL-VSS230IL = 30mATA = -40to +85VDD=5VVDD-VOH400VOL-VSS370IDDQuiescent Supply Current (per Amplifier)VDD = 5.5V, VCM = VDD/22.8mAVDD = 2.5V, VCM = VDD/22.5交流电气特性(VDD = 2.5V, VSS = 0V, VCM = VDD/2, VOUT = (VDD/2), RL = connected to (VDD/2), TA = +25C, unless otherwise noted.)符号参数测试条件Min.Typ.Max.单位GBWPGain-Bandwidth ProductVCM=VDD/210MHzFPBWFull-Power BandwidthVOUT=2VP-P, VDD= 5V0.8MHzSRSlew Rate10V/sPMPhase Margin70DegreesGMGain Margin15dBTHD+NTotal Harmonic Distortion PlusNoisef=10kHz, VOUT=2VP-P, AVCL = 1V/V0.0005%CINInput Capacitance8pFenVoltage-Noise Densityf=1kHz15