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TB2905HQ Datasheet(PDF) 9 Page - Toshiba Semiconductor |
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TB2905HQ Datasheet(HTML) 9 Page - Toshiba Semiconductor |
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9 / 17 page  TB2905HQ 2005-08-17 9 Electrical Characteristics (unless otherwise specified, VCC =13.2 V, f =1 kHz, RL = 4 Ω, Ta = 25°C) Characteristics Symbol Test Circuit Test Conditions Min Typ. Max Unit Quiescent supply current ICCQ VIN = 0 200 300 mA POUT MAX (1) VCC = 14.4 V, max POWER 47 POUT MAX (2) VCC = 13.7 V, max POWER 43 POUT (1) VCC = 14.4 V, THD = 10% 29 Output power POUT (2) THD = 10% 23 25 W POUT MAX (1) VCC = 14.4 V, max POWER 80 POUT MAX (2) VCC = 13.7 V, max POWER 77 POUT (1) VCC = 14.4 V, THD = 10% 55 Output power (RL = 2 Ω) POUT (2) THD = 10% 42 45 W Total harmonics distortion THD POUT = 2 W 0.03 0.2 % Voltage gain GV VOUT = 0.775 Vrms 24 26 28 dB Interchannel voltage gain △GV VOUT = 0.775 Vrms −1.0 0 1.0 dB VNO (1) Rg = 0 Ω, DIN45405 130 Output noise voltage VNO (2) Rg = 0 Ω, BW = 20 Hz~20 kHz 120 270 µVrms Ripple rejection retio R.R. frip = 100 Hz, Rg = 620 Ω Vrip = 0.775 Vrms 50 60 dB Crosstalk C.T. Rg = 620 Ω VOUT = 0.775 Vrms 70 dB Output offset voltage VOFFSET -150 0 150 mV Input resistance RIN 90 k Ω Standby current ISB Standby state 2 10 µA VSB H POWER: ON, clipping detection on pin 25 7.5 VCC VSB M POWER: ON, offset detection on pin 25 2.5 6.0 Standby control voltage VSB L POWER: OFF 0 0.5 V VM H MUTE: OFF 2.5 6.0 Muting control voltage VM L MUTE: ON, R1 = 47 kΩ 0 0.5 V Muting attenuation ATT M MUTE: ON VOUT = 7.75 Vrms → Mute: OFF 80 90 dB Offset detection threshold voltage Voff-set Rpull-up = 47 kΩ, +V= 5.0 V Based on normal output DC voltage ±1.0 ±1.5 ±2.0 V |
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