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KA3014 数据表(PDF) 11 Page - Fairchild Semiconductor |
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KA3014 数据表(HTML) 11 Page - Fairchild Semiconductor |
11 / 26 page KA3014 11 Electrical Charateristics (Continued) (BTL DRIVE PART, Ta=25 °C, VCC1=12V, VMBTL=12V, RL=24Ω) Calculation of Gain & Torque Limit Current 0.255 is GM times R1 and it is a fixed value within IC. Vmax (see above block diagram) is set to 350mV. Parameter Symbol Condition Min. Typ. Max. Units BTL DRIVE PART (Ta=25 °°°°C, VCC1=12V, VMBTL=12V, RL=24Ω Ω Ω Ω) Quiescent circuit current ICC –– 9 12 mA Output offset voltage VOO – −30 – 30 mV Maximum output Amplitude voltage VOM – 9.5 10.5 – V Voltage gain GVC VIN=0.1VRMS, 1kHz 10.5 12.0 13.5 dB Ripple rejection ratio RR VIN=0.1VRMS, 120kHz – 60 – dB Slew rate SR 120Hz, 2Vpp – 1.0 – V/ µs Mute off voltage VMOFF –– – 0.5 V Mute on voltage VMON –2.5 – – V VARIABLE-REGULATOR Regulator output range ∆VREG IL=100mA 2.0 – 5.25 V Load regulation ∆VR1 IL=0 → 200mA −40 0 10 mV Line regulation ∆VCC IL=200mA, VCC=6V → 9V −20 0 30 mV Regulator output voltage 1 VREG1 IL=100mA 4.75 5.0 5.25 V Regulator output voltage 2 VREG2 IL=100mA 3.135 3.3 3.465 V EC ECR + − Gm − + + Absolute Values Current / Voltage Convertor R1 Vin + − Driver VM Vmax Max. output current limiting + − VM VM Negative Feedback loop IO RS VS − + CS1 (Pin 9) Output Current sense Power Transistors Commutation Distributor U V W H1 H2 H3 IO Gain 0.255 R S --------------- = Itl mA [] Vmax R S ---------------- 350 mV [] R S ------------------------ == |
类似零件编号 - KA3014 |
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类似说明 - KA3014 |
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