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LA4802 데이터시트(PDF) 2 Page - Sanyo Semicon Device |
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LA4802 데이터시트(HTML) 2 Page - Sanyo Semicon Device |
2 / 10 page No. 6657-2/10 LA4802T Parameter Symbol Conditions Ratings Unit Recommended supply voltage VCC 2.4 V Operating supply voltage range VCC op 1.8 to 3.6 V Recommended load resistance RL 16 to 32 Ω Operating Conditions at Ta = 25°C Item Symbol Conditions Ratings Unit min typ max Quiescent current ICCO1 Current when ST is off (with L.B. on and muting off) 0.05 1 µA ICCO2 Current when muting is on (with ST on and L.B. on) 530 900 µA ICCO3 Current when ST is on (with L.B. on and muting off) 950 1500 µA Operating current drain ICC1 PO = 0.1 mW (With 2 channels driven) 3.2 3.7 mA Voltage gain VG VO = –10 dBm 6.8 7.8 8.8 dB Channel balance ∆VG VO = –10 dBm –1 0 +1 dB Output power PO THD = 10% 25 38 mW Total harmonic distortion THD VO = –8 dBm, 20 kHz LPF 0.03 0.1 % Output noise voltage VNO Rg = 10 k Ω, IHF A –100 –90 dBm Crosstalk CT TUN1kHz, VO = –10 dBm 70 80 dB Ripple rejection ratio SVRR fr = 100 kHz, Vr = –20 dBm, TUN100Hz 60 70 dB Peak output voltage VOBEEP VIN = 2.4 Vp-p, f = 1 kHz, MUTE OFF 1.0 2.7 mV Muting attenuation VOFF THD = 1%, TUN1kHz –100 –120 dB Power on voltage sensitivity V1 ON Power on threshold voltage 1.6 V Power off voltage sensitivity V1 OFF Power off threshold voltage 0.5 V Mute on voltage sensitivity V20 ON Muting on threshold voltage 1.4 V Mute off voltage sensitivity V20 OFF Muting off threshold voltage 0.5 V Boost on voltage sensitivity V4 ON Boost on threshold voltage 0.5 V Boost off voltage sensitivity V4 OFF Boost off threshold voltage 1.4 V Ta = 25°C, VCC = 2.7 V, fIN = 1 kHz, RL = 47 kΩ (Characteristics when used as a line output), L.B OFF Operating current drain ICC2 VO = 0 dBm (With 2 channels driven) 1.5 2.0 mA Total harmonic distortion THD2 VO = 0 dBm, 20 kHz LPF 0.005 0.05 % Output noise voltage VNO2 Rg = 10 k Ω, IHF A –100 –90 dBm Crosstalk CT2 TUN1kHz, VO = –10 dBm 80 90 dB Ripple rejection ratio SVRR2 fr = 100 kHz, Vr = –20 dBm, TUN100Hz 65 78 dB Electrical Characteristics at Ta = 25°C, VCC = 2.4 V, fIN = 1 kHz, RL = 16 Ω Switch Threshold Voltages and Pin Influx Currents • Standby switch (pin 1) H : IC ON L : IC OFF 0 20 40 60 80 100 120 0 1 2 3 4 5 V1 (V) H L • Mute switch (pin 20), boost switch (pin 4) 0 20 40 0 30 0 1 2 3 4 5 V20, V4 (V) H L H : MUTE ON, L. B OFF L : MUTE OFF, L. B ON |
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