AN7149N
ICs for Audio Common Use
s Absolute Maximum Ratings (Ta= 25˚C)
Parameter
Symbol
Rating
Unit
Supply Voltage
VCC
24
V
Supply Current
ICC
4
A
Power Dissipation
PD
41.7
W
Operating Ambient Temperature
Topr
– 30 ~ + 75
˚C
Storage Temperature
Tstg
– 55 ~ + 150
˚C
s Electrical Characteristics (VCC = 12V, RC = 3Ω, f = 1kHz, Ta = 25˚C)
Parameter
Symbol
Condition
Quiescent Circuit Current
Voltage Gain
Total Harmonic Distortion
Maximum Output Power
Output Noise Voltage
ICQ
GV
THD
PO
Vno
Vi = 0mV
PO = 1.0W
PO = 1.0W, f = 1kHz
THD = 10%, RL = 3Ω
THD = 10%, RL = 4Ω
THD = 10%, VCC = 9V,
RL = 3Ω
Rg = 10kΩ, f = 15Hz ~ 30kHz,
12dB/OCT
Channel Balance
CB
PO = 0.5W
Ripple Rejection Ratio
RR
PO = 0.5W
min.
47.5
4.7
40
typ.
13
49.5
0.2
5.3
4.3
2.9
max.
19
51.5
0.5
Unit
mA
dB
%
W
0.5
1.0 mV
0
1.0
dB
45
dB
PD – Ta
50
(1) Tc = Ta (θj– c = 3˚C/W)
(2) With a 100cm2 × 3mm Al
heat sink (black color coated)
40
or a 200cm2 × 2mm Al heat
(1)
sink (not lacquered)
(3) With a 100cm2 × 2mm Al
heat sink (not lacquered)
30
(4) Without heat sink
20
(2)
10
(3)
(4)
0
0
40
80
120
160
Ambient Temperature Ta (˚C)