參數(shù)資料
型號: LA3220
元件分類: 音頻/視頻放大
英文描述: 2 CHANNEL, AUDIO PREAMPLIFIER, DIP14
封裝: DIP-14
文件頁數(shù): 2/8頁
文件大?。?/td> 143K
代理商: LA3220
LA3220
No.912-2/9
Electrical Characteristics at Ta
= 25°C, VCC = 5V, RL = 10kΩ (PB), Rg = 680Ω (REC), See specified Test Circuit.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Quiescent current
ICCO
4.5
10
mA
Open voltage gain
VGO
85
dB
PB
40
dB
Voltage gain
VG
REC
58
dB
Maximum output voltage
VO max
THD = 1%, PB
0.9
1.2
V
Total harmonic distortion
THD
VO = 0.5V, PB
0.1
1.0
%
Input resistance
ri
21
30
k
Ω
Channel separation
CHsep
Rg = 2.2k
Ω, VO = 0dBm, PB
40
50
dB
Equivalent input noise voltage
VNI
Rg = 2.2k
Ω, B.P.F. = 20Hz to 20kHz, PB
1.0
2.0
μV
ALC width
VIN = -60dBm, REC
35
45
dB
ALC balance
VIN = -20dBm, REC
0
2.0
dB
ALC diatortion
VIN = -20dBm, REC
0.5
2.0
%
Package Dimensions
unit : mm (typ)
3003B
Block Diagram
SANYO : DIP14(300mil)
1
7
14
8
(3
.0
)
3.65m
ax
0.51m
in
19.0
(1.88)
2.54
1.2
0.48
0.25
7.62
6.4
3.4
Pd max – Ta
0
600
400
500
100
200
300
700
– 20
80
75
60
20
40
0100
Ambient temperature, Ta – °C
Allowable
power
dissipation,
Pd
max
m
W
+
-
ALC
2
DC
ALC OUT2
IN2
NF2
PC2
OUT2
VCC
ALC IN
ALC OUT
IN1
NF1
PC1
OUT1
GND
ALC
1
AMP2
+
-
AMP2
8
9
10
11
12
13
14
7
6
5
4
3
2
1
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