Panasonic AN7062N Datasheet
ICs for Audio Common Use
■ Overview
The AN7062N is a high voltage integrated circuit designed for pre-driver of 60W-class Hi-Fi audio amp.
Stereo operation is enabled due to two amplifiers built-in.
■ Features
•
High voltage
•
Low noise : V
ni
= 2.5µV (typ.)
•
Low distortion : THD= 0.003% (typ.)
•
Good channel separation
•
Wide operating supply voltage range
AN7062N
High Voltage Input Amplifier Circuit for Hi-Fi Power Amplifier
1
2
3
4
5
6
7
8
3 ~ 15˚
7.62±0.25
0.3
+ 0.1
– 0.25
3.8±0.25
(3.45)
0.51min.
2.54
1.2±0.25
0.5±0.1
Unit : mm
6.3±0.25
18
17
16
15
14
13
12
11
21.7±0.3
9 10
18-Lead DIP Package (DIP018-P-300E)
■ Block Diagram
4 5 6 7 8 9 11 12 13 14 15
16
17
1 18 10
3
2
GND –V
CC1
+V
CC
–V
CC2
(L.F.B)(L.F.B)
Current Mirror
Cascade
Bootstrap
Emitter
Follower
Differential
Amplifier
Current Mirror
Cascade
Bootstrap
Differential
Amplifier
Emitter
Follower
Current Mirror
Current Source
ICs for Audio Common Use
AN7062N
■ Absolute Maximum Ratings (Ta= 25˚C)
+ V
CC
– V
CC
I
CC
P
D
T
opr
T
stg
Supply Voltage
Supply Voltage
Supply Current
Power Dissipation
Operating Ambient Temperature
Storage Temperature
V
V
mA
mW
˚C
˚C
Parameter Symbol Rating Unit
+ 74
– 16
10
800
– 25 ~ + 75
– 55 ~ + 150
■ Electrical Characteristics (V
CC
= ± 70V, f = 20kHz, Ta = 25˚C)
Plus Side Supply Current
Minus Side Supply Current
I
tot – 1
I
tot – 2
Vi = 0mV
V
i
= 0mV
2.5
1.5
5
2.8
7.5
4.5mAmA
Parameter Symbol Condition min. typ. max. Unit
Output Noise Voltage
Total Harmonic Distortion
Open Circuit Voltage Gain
Output Noise Voltage
V
no2
THD
G
VO
V
no1
Vi = 0mV, Rg = 0Ω
V
O
= 30V
V
O
= 30V
V
i
= 0mV, Rg = 0Ω,
DIN – A Filter, f = 20Hz ~ 20kHz,
–12dB/OCT
0.14
0.5
0.003
95
1.5
0.01
mV
%
dB
1 mV
PD – Ta
0
0
0.6
0.8
1.0
Ambient Temperature Ta (˚C)
Power Dissipation P
D
(W)
0.4
0.2
40 120 160 200
80
Loading...