ICs for Audio Common Use
AN7147N
■ Absolute Maximum Ratings (Ta= 25˚C)
Parameter
Symbol
Rating
Unit
V
Supply Voltage
Supply Current
Power Dissipation
VCC
ICC
24
4
A
*
PD
41.7
W
˚C
˚C
– 30 ~ + 75
– 55 ~ + 150
Operating Ambient Temperature
Storage Temperature
Rθj – c = 3˚C/W
Topr
Tstg
*
■ Electrical Characteristics (VCC = 12V, RC = 3Ω, f = 1kHz, Ta = 25˚C)
Parameter
Quiescent Circuit Current
Voltage Gain
Symbol
ICQ
Condition
min.
42.5
typ.
13
max.
19
Unit
Vi = 0mV
PO = 1.0W
mA
dB
GV
44.5
0.2
0.4
0.3
5.3
4.3
2.9
46.5
0.75
PO = 1.0W, f= 1kHz
Total Harmonic Distortion
THD
PO = 1.0W, f= 100Hz
PO = 1.0W, f= 10kHz
THD= 10%, RL = 3Ω
THD= 10%, RL = 4Ω
THD= 10%, VCC = 9V, RL = 3Ω
%
4.7
Maximum Output Power
Output Noise Voltage
PO
W
Rg = 10kΩ, f= 15Hz ~ 30kHz,
12dB/OCT
0.25
Vno
mV
0.40
0
0.5
1
Rg = 10kΩ, Without Filter
PO = 0.5W
Channel Balance
CB
CS
dB
dB
Channel Separation
Ripple Rejection Ratio
Output Offset Voltage
40
45
50
50
0
PO = 0.5W
RR
dB
PO = 0.5W
VO (offset)
mV
200
Vi = 0
Note) Operating Supply Voltage Range : 5V to 22V
PD – Ta
50
(1) Tc= Ta (θj – c = 3˚C/W)
(2) With a 100cm2 × 3mm Al
heat sink (black color coated)
or a 200cm2 × 2mm Al heat
sink (not lacquered)
40
30
20
10
0
(1)
(3) With a 100cm2 × 2mm Al
heat sink (not lacquered)
(4) Without heat sink
(2)
(3)
(4)
0
40
80
120
160
Ambient Temperature Ta (˚C)