LA4628_08 Datasheet, PDF (2/8 Pages) Sanyo Semicon Device – For General Audio 20W 2-Channel BTL Power Amplifier

LA4628
Operating Conditions at Ta = 25°C
Parameter
Symbol
Conditions
Recommended supply voltage
VCC
Recommended load resistance range
RL op
Allowable operating supply voltage range 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
13.5
V
4 to 8
Ω
9 to 20
V
Electrical Characteristics at Ta = 25°C, VCC = 13.5V, RL = 4Ω, f = 1kHz, Rg = 600Ω
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Quiescent current
Standby mode current drain
ICCO
Ist
With Rg = 0 and RL open.
Standby mode (amplifier off), with no power
supply capacitor.
70
130 250
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
PO2
VN offset
VNO
SVRR
CHsep
Ri
VO = 0dBm
PO = 1W, Filter = FLAT
VCC = 13.5V, THD = 10%, RL = 4Ω
VCC = 16.5V, THD = 10%, RL = 4Ω
Rg = 0
Rg = 0, BPF = 20Hz to 20kHz
Rg = 0, VR = 0dBm, fR = 100Hz
Rg = 10kΩ, VO = 0dBm
38
40
42
dB
0.06
0.2
%
16
20
W
30
W
-300
+300
mV
0.1
0.5
mV
40
50
dB
50
60
dB
21
30
39
KΩ
Standby pin applied voltage
VST
Amplifier on
2.5
VCC
V
(applied through an external 10kΩ resistor)
Package Dimensions
unit : mm (typ)
3113B
35
Infinite heat sink
32.5
30
θf = 3˚C/W
25
Pd max -- Ta
AI heat sink Mounting
torque 39N cm Flat
washer Silicone grease
applied
θf = 4˚C/W
20.83
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.6632-2/8