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参数资料
| 型号： | LA4814V |
| 厂商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 2 CHANNEL, AUDIO AMPLIFIER, PDSO14 |
| 封装： | 0.225 INCH, SSOP-14 |
| 文件页数： | 10/17页 |
| 文件大小： | 576K |
| 代理商： | LA4814V |
LA4814V
No.A0972-2/17
Specifications
Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
8V
Allowable power dissipation
Pd max
*
1.85
W
Maximum junction temperature
Tj max
150
°C
Operating temperature
Topr
-40 to +85
°C
Storage temperature
Tstg
-40 to +150
°C
* Mounted on SANYO evaluation board : Double-sided board with dimensions of 60mm
× 60mm × 1.6mm
Operating Conditions at Ta
= 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
5V
Single ended mode
4 to 32
Ω
Recommended load resistance
RL
BTL mode
6 to 32
Ω
Single ended mode
2.7 to 7
V
BTL mode, RL = 8 to 32Ω
2.7 to 7
V
Operating supply voltage range
VCC op
BTL mode, RL = 6Ω
2.7 to 5.5
V
* Determine the supply voltage to be used with due consideration of allowable power dissipation.
Electrical Characteristics at Ta
= 25°C, VCC = 5.0V, RL = 4Ω, fin = 1kHz
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Quiescent current drain
ICCOP
No signal
8.6
15
mA
Standby current drain
ISTBY
No signal, V8 = Low
0.1
10
μA
Maximum output power
POMAX
THD = 10%
220
350
mW
BTL maximum output power
POMXB
BTL mode, RL = 8Ω, THD = 10%
700
mW
Voltage gain
VG
VIN = -30dBV
8.2
9.7
11.2
dB
Voltage gain use range
VGU
3
20
dB
Channel balance
CHB
VIN = -30dBV
-2
0
2
dB
Total harmonic distortion
THD
VIN = -30dBV
0.35
1
%
Output noise voltage
VNOUT
Rg = 620
Ω, 20 to 20kHz
15
50
μVrms
Channel separation
CHSEP
VOUT = -10dBV, 20 to 20kHz
-70
-81
dBV
Ripple rejection ratio
SVRR
Rg = 620
Ω, fr = 100Hz, Vr = -20dBV
53
dB
Output DC offset voltage
VOF
Rg = 620
Ω, V3-V12, in BTL mode
-30
0
30
mV
Reference voltage
VREF
2.2
V
Pin 8 control HIGH voltage
V8H
(Power amplifier operation mode)
1.6
VCC
V
Pin 8 control LOW voltage
V8L
(Power amplifier standby mode)
0
0.3
V
Pin 9 control HIGH voltage
V9H
(Second amplifier standby mode)
1.6
VCC
V
Pin 9 control LOW voltage
V9L
(Second amplifier operation mode)
0
0.3
V
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