an5265.pdf
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ICs for Audio Common Use
AN5265
TV Sound Output Circuit
Overview
The AN5265 is a semiconductor integrated circuit de-
signed for TV sound output circuit.
Unit : mm
8.4±0.25
±0.3
±0.25
0.25
1.5±0.25
±
3.75
±
0.25
Features
•
DC volume adjustment method employed. Controlled
with DC voltage.
•
Fin-attached 9-lead SIP package employed
9
8
7
6
5
4
3
2
1
5.6±0.25
9-lead HSIP Package (HSIP009-P-0000)
n
Pin Descriptions
Pin No.
1
2
3
4
5
Pin Description
Supply Voltage 1
Sound Input
Mute
Volume adjustment
Filter
6
7
8
9
Feedback
GND
Sound output
Supply voltage 2
n
Block Diagram
DC Volume
Control
Audio Output
Amp.
Mute
1
2
3
4
5
6
7
8
9
V
CC1
Vol
+
GND
V
CC2
Input
Feed back
Output
n
6.3
7.1
5.8
n
AN5265
ICs for Audio Common Use
n
Absolute Maximum Ratings
(Ta= 25˚C)
Parameter
Symbol
Rating
Unit
V
1 – 7
V
9 – 7
V
3 – 7
V
4 – 7
V
6 – 7
I
4
I
8
14.4
V
Supply Voltage
26
V
Voltage
0
0
7
V
1 – 7
V
Circuit Voltage
V
0
–10
V
9 – 7
3
V
Current
Circuit Current
mA
(peak)
–1.2
1.2
A
(peak)
Power Dissipation
P
D
1.6
W
Operating Ambient Temperature
T
opr
– 20 ~ + 70
˚C
Storage Temperature
T
stg
– 55 ~ + 150
˚C
n
Electrical Characteristics
(Ta= 25˚C)
Parameter
Symbol
Condition
min.
typ.
max.
Unit
Circuit Current
I
1
Pin1= Pin4 = 12V, Pin7= 0V, Pin9 = 18V
Pin1= 12V, Pin4 = Pin7= 0V, Pin9 = 18V
Pin1= 12V, Pin4 = Pin7= 0V, Pin9 = 18V
Pin1= 12V, Pin4 = Pin7= 0V, Pin9 = 18V
Pin1= 12V, Pinr= Pin4 = 0V, Pin9 =18V, Pin6 – 8 : 10k½
f= 1kHz, THD= 10%, V
4
= 12V, R
L
= 16½
7.1
9.5
11.9
mA
Circuit Voltage
Circuit Voltage
Circuit Voltage
V
2 – 7
V
5 – 7
V
6 – 7
5.4
8.5
8.8
V
V
V
Circuit Voltage
V
8 – 7
8.8
V
Max. Output Power
Po
max.
2.0
2.3
W
Voltage Gain
G
V
f= 1kHz, V
i
= 0.1Vrms, V
4
= 12V
28.5
30.5
32.5
dB
Total Harmonics Distortion
THD
f= 1kHz, P
O
= 1W,V
4
= 12V
0.8
1.2
%
Max. Attenuation Amount
A
tt
f= 1kHz, V
i
= 0.1Vrms, V
4
= Ratio between 12 and 0 V
–95
–85
dB
Output Noise Voltage
V
no
V
i
= 0Vrms, V
4
= 0V
0.6
1.0 mVrms
Muting Operation Voltage
V
3 – 7
f= 1kHz, V
4
= 12V, V
8
= 0Vrms
2.45
2.65
2.85
V
P
D
– Ta
12
11
10
9
Tc=Ta
8
7
6
n
Application Circuit
5
4
3
Without heat
sink
2
AN5265
1
–20 0 20 40 60 80 100 120 140 160 180
1
2
3
4
5
6
7
8
9
Ambient Temperature Ta (˚C)
1µF
V
CC
=12V
10µF
V
CC
=18V
100µF
10k
½
100µF
680½
R
L
=16½
4.7½
100µF
AF Input Mute
10µF
0.047µF
0
Plik z chomika:
aos.artur
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