LA4742 Datasheet, PDF (2/9 Pages) Sanyo Semicon Device – 45 W Four-Channel Bridge Circuit Power Amplifier

Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Recommended load resistance
Operating supply voltage range
Symbol
V_CC
R_L
V_CC op
LA4742
Conditions
Ratings
Unit
14.4
V
4
Ω
9 to 18
V
Operating Characteristics at Ta = 25°C, V_CC = 14.4 V, f = 1 kHz, R_L = 4 Ω, Rg = 600 Ω
Parameter
Quiescent current
Standby current
Output offset voltage
Voltage gain
Voltage gain difference
Output power
Total harmonic distortion
Channel separation
Ripple rejection ratio
Output noise voltage
Muting attenuation
Symbol
Conditions
I_CCO R_L = ∞, Rg = 0
Ist Vst = 0 V
V_Noffset
VG
∆VG
Rg = 0
V_O = 0 dBm
P_O1 THD = 10 %
P_O max1 V_CC = 13.7 V, V_IN = 5 Vrms
P_O max2
THD
CHsep
SVRR
V_NO
Mute(att)
V_IN = 5 Vrms
P_O = 4 W
V_O = 0 dBm, Rg = 10 kΩ
f_r = 100 Hz, V_R = 0 dBm, Rg = 0
Rg = 0, B.P.F. = 20 Hz to 20 kHz
V_O = 20 dBm
min
100
Ratings
typ
200
–100
25
26
–1
23
28
40
45
0.05
55
65
50
60
100
70
80
max
350
10
+100
27
+1
0.4
200
Unit
mA
µA
mV
dB
dB
W
W
W
%
dB
dB
µVrms
dB
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