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TDA7237 데이터시트(PDF) 3 Page - STMicroelectronics |
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TDA7237 데이터시트(HTML) 3 Page - STMicroelectronics |
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3 / 5 page ![]() ELECTRICAL CHARACTERISTICS (VCC = 10V; Tamb = 25°C; f = 1KHz, unless otherwise specified.) Symbol Parameter Test Condition Min. Typ. Max. Unit VS Supply Voltage 9 11 V ZI Input Impedance 15 23 30 K Ω SVR Supply Voltage Rejection f = 10KHz 35 45 dB Isg Output Short Circuit Current to GND each pin 40 mA all pins 300 mA Output Short Circuit Current to VCC each pin 20 mA all pins 150 mA Is Supply Current 35 50 mA SR Slew Rate RL = 10KW; CL = 1000pF 3 V/ µs S/N Signal to Noise Ratio (1) 83 91 dB THD Total Harmonic Distortion VO = 4VRMS; RL = 10KW; CL = 1000pF 0.07 0.1 % CS Channel Separation (2) 70 80 dB VIDC DC Input Voltage 5.8 6.25 6.6 V VODC DC Output Voltage 3.9 4.75 5.3 V VCDC DC Cext Voltage pin 18 5.8 6.25 6.6 V ZO Output Impedance 50 100 Ω Gv Voltage Gain 15.9 16.7 17.5 dB Notes: 1) Bw = 20Hz to 20KHz with 60dB/decade Rolloff (referred to 1.4VRMS) 2) All input AC grounded via 10 µF capacitor TDA7237 3/5 |
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