Philips CEM5000/00, Service Manual

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TENTATIVE 2
Note : Information in this document is subject to change without notice.
4. Maximum Ratings at Ta = 25
℃
℃ ℃
℃
Parameter Symbol Conditions Ratings Unit
Maximum supply Voltage Vcc max 1 No signal, t=1 minute 26 V
Vcc max 2 During operations 18 V
Maximum output current Io peak Per channel 4.5/ch A
Allowable Power dissipation Pd max With an infinity heat sink 50 W
Operating temperature Topr -40 to 85
℃
Storage temperature Tstg -40 to 150
℃
Thermal resistance between the junction and case
θ
j-c 1
℃
/W
5. Recommended operating range at Ta=25
℃
℃ ℃
℃
Parameter Symbol Conditions Ratings Unit
Recommended supply voltage Vcc 14.4 V
Recommended load resistance RL op 4 Ω
Operating supply voltage range Vcc op A range not exceeding Pdmax 9 to 16 V
6. Electrical Characteristics at Ta=25
℃
℃ ℃
℃
, Vcc=14.4V, RL=4Ω, f=1kHz, Rg=600Ω
Parameter Symbol Conditions min typ max Unit
Quiescent current Icco RL=∞, Rg=0Ω 200 400 mA
Standby current Ist Vst=0V 10 uA
Voltage gain VG Vo=0dBm 25 26 27 dB
Voltage gain difference ∆VG -1 +1 dB
Output power Po THD=10% 23 28 W
Pomax1 JEITA max 43 W
Pomax2 Vcc=15.2,JEITA max 48 W
Output offset voltage Vn offset Rg=0Ω -100 +100 mV
Total harmonic distortion THD Po=4W 0.03 0.2 %
Channel separation CHsep Vo=0dBm, Rg=10kΩ 55 65 dB
Ripple rejection ratio SVRR Rg=0Ω, fr=100Hz , Vccr=0dBm 45 65 dB
Output noise voltage VNO Rg=0Ω, B.P.F.=20Hz to 20kHz 80 200 uVrms
Input resistance Ri 40 50 65 kΩ
Mute attenuation Matt Vo=20dBm ,MUTE : ON 75 90 dB
Vstby H AMP : ON 2.5 Vcc V Standby Pin
Control voltage
Vstby L AMP : OFF 0.0 0.5 V
Vmute H MUTE : OFF OPEN - Mute Pin
Control voltage
Vmute L MUTE : ON 0.0 1.5 V
Output offset detection
Detection threshold voltage Vosdet ±1.2 ±1.8 ±2.4 V
Note : 0dBm = 0.775Vrms