LA4625_08 Datasheet, PDF (2/8 Pages) Sanyo Semicon Device – 2-channel 13.5W BTL Audio Power Amplifier

LA4625
Operating Conditions at Ta = 25°C
Parameter
Symbol
Conditions
Recommended supply voltage
VCC
Recommended load resistance range
RL op
Allowable operating supply voltage
VCC op
Note : With VCC, RL, and the output level in ranges such that the Pd max for the heat sink used is not exceeded.
Ratings
Unit
12
V
4 to 8
Ω
7.2 to 20
V
Electrical Characteristics at Ta = 25°C, VCC = 12V, RL = 4Ω, f = 1kHz, Rg = 600Ω
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Quiescent current
Standby mode current drain
ICCO
Ist
Rg = 0
Standby mode (amplifier off), with no power
supply capacitor.
65
120
240 mA
10
60
µA
Voltage gain
Total harmonic distortion
Output power
Output offset voltage
Output noise voltage
Ripple rejection ratio
Channel separation
Input resistance
VG
THD
PO1
VN offset
VNO
SVRR
CHsep
Ri
VO = 0dBm
PO = 1W, Filter = FLAT
THD = 10%
Rg = 0
Rg = 0, BPF = 20Hz to 20kHz
Rg = 0, VR = 0dBm, fR = 100Hz
Rg = 10kΩ, VO = 0dBm
38
10
-300
40
50
21
40
42
dB
0.06
0.2
%
13.5
W
+300 mV
0.1
0.5 mV
50
dB
60
dB
30
39
kΩ
Standby pin applied voltage
VST
Amplifier on
2.5
(applied through an external 10kΩ resistor)
VCC
V
Package Dimensions
unit : mm (typ)
3113B
Pd max -- Ta
35
Infinite heat sink
32.5
30
AI heat sink Mounting
torque 39N • cm Flat
washer Silicone grease
θf = 3˚C/W
25
applied
20.83 ^{θf = 4˚C/W}
20
θjc = 2˚C/W
15 θf = 7˚C/W
13.9
10.4 ^{θf = 10˚C/W}
10
5 _{Νο Fin}
3.1
0
-20 0 20 40 60 80 100 120 140 160
Ambient temperature, Ta -- ˚C
No.6631-2/8