參數(shù)資料
型號(hào)： LA4915
元件分類： 音頻／視頻放大
英文描述： 5 W, 2 CHANNEL, AUDIO AMPLIFIER, PDIP28
封裝： 0.500 INCH, DIP-28
文件頁數(shù)： 2/6頁
文件大?。?/td> 329K
代理商： LA4915
LA4915
No.8378-2/6
Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
10.5
V
Recommended load resistance
RL
AMP block
8
Recommended load resistance
RL
H/P block
32
Operating supply voltage range
VCC op
Not exceeding the package Pd
7 to 18
V
Electrical Characteristics
Operating Characteristics at Ta = 25
°C, VCC = 10.5V, RL = 8, f = 1kHz, Rg = 600,
See the specified board and circuit.
AMP block
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Quiescent current
ICCO
Rg = 0
35
65
120
mA
Standby current
Ist
0
10
A
Voltage gain
VG
VO = 0dBm
28
30
32
dB
Output power
PO
THD = 10%
4
5
W
Total harmonic distortion
THD
PO = 1W, LPF = 30kHz
0.04
0.4
%
Output noise voltage
VNO
Rg = 0, DIN AUDIO
0.05
0.3
mV
Channel selectivity
CHsep
Rg = 10k
, VO = 0dBm, DIN AUDIO
50
60
dB
Ripple rejection
SVRR
Rg = 0, fR = 100Hz, VR = 0dBm, DIN AUDIO
60
70
dB
Input resistance
Ri
21
30
39
k
Output offset voltage
VN offset
Rg = 0
-200
+200
mV
Standby OFF voltage
VST
AMP = ON, Application via 10k
3
VCC
V
Pin 7 inrush current
(DDL ON current)
I7Pin
Apply+5V to pin via 10k
, THD = 10%
100
150
200
A
*DDL : Stands for Dynamic Distortion Limiter.
Operating Characteristics at Ta = 25
°C, VCC = 10.5V, RL = 32, f = 1kHz, Rg = 600,
See the specified board and circuit.
H/P block
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Voltage gain
VG
VO = 0dBm
4.5
5.5
6.5
dB
Output power
PO
THD = 1%
25
30
mW
Total harmonic distortion
THD
VO = 0dBm, LPF = 30kHz
0.025
0.05
%
Channel selectivity
CH sep
Rg = 10k
, VO = 0dBm, DIN AUDIO
50
60
dB
Ripple rejection
SVRR
Rg = 0, fR = 100Hz, VR = 0dBm, DIN AUDIO
65
75
dB
Output noise voltage
VNO
Rg = 0, DIN AUDIO
0.01
0.04
mV
Standby OFF voltage
VST
H/P AMP = ON, Application via 10k
3
VCC
V
*1 : DIN AUDIO (20Hz to 20kHz)
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