AN7148 Просмотр технического описания (PDF) - Panasonic Corporation
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AN7148 Datasheet PDF : 4 Pages
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AN7148
ICs for Audio Common Use
s Absolute Maximum Ratings (Ta= 25˚C)
Parameter
Symbol
Supply Voltage
VCC
Supply Current
ICC
Power Dissipation
PD *
Operating Ambient Temperature
Topr
Storage Temperature
Tstg
* R θ j – c = 3˚C/W
Rating
24
3.5
41.7
– 30 ~ + 75
– 55 ~ + 150
s Electrical Characteristics (Ta = 25˚C)
Parameter
Symbol
Condition
min.
Quiescent Circuit Current
Output Noise Voltage
Voltage Gain (Gain)
Total Harmonic Distortion
Maximum Output Power (4Ω)
Channel Balance
Maximum Output Power (8Ω)
Maximum Output Power (3Ω)
ICQ
VCC = 9V, RL = 4Ω, Vin = 0mV
Vno *
GV
VCC = 9V, RL = 4Ω, Vin = 0mV,
Rg = 10kΩ
VCC = 9V, RL = 4Ω, Vin = 3mV,
f = 1kHz
42.5
THD
VCC = 9V, RL = 4Ω, Vin = 3mV,
f = 1kHz
PO (max.)
VCC = 9V, RL = 4Ω,
THD = 10%, f = 1kHz
1.75
CB
VCC = 9V, RL = 4Ω, Vin = 3mV,
f = 1kHz
PO (max.) 8
VCC = 9V, RL = 8Ω,
THD = 10%, f = 1kHz
PO (max.) 3
VCC = 9V, RL = 3Ω,
THD = 10%, f = 1kHz
Note) Operating Supply Voltage Range : VCC (opr.) = 6 ~ 18V
* Filter with band width of 15Hz ~ 30kHz (12dB/oct) should be used for Vno measurement.
Unit
V
A
W
˚C
˚C
typ.
13
0.25
max.
19
0.50
Unit
mA
mV
44.5 46.5
dB
0.20 0.75
%
2.10
W
0
1
dB
1.25
W
2.6
W
50
45
41.7W
40
(1)
35
PD – Ta
(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)
(3) With a 100cm2 × 2mm Al
heat sink (not lacquered)
(4) Without heat sink
30
25
20 17.9W
(2)
15 13.9W
10
(3)
5 3.0W
(4)
0
0 25 50 75 100 125 150
Ambient Temperature Ta (˚C)
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