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PDF AN7535NSA Data sheet ( Hoja de datos )
| Número de pieza | AN7535NSA | |
| Descripción | Headphone amplifier IC for portable equipment | |
| Fabricantes | Panasonic Semiconductor | |
| Logotipo |  |
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ICs for Audio Common Use
AN7535NSA
Headphone amplifier IC
for portable equipment
s Overview
The AN7535NSA is an audio signal processing
IC in which line amplifiers and beep circuit are built
in the headphone amplifiers for use in portable
equipment. Its headphone output block is using the
center amplifier method which eliminates the need
for coupling capacitor so that the circuit is most
suitable for rationalization of audio circuit.
s Features
• Output coupling capacitor is not required (Center
amplifier method)
• Built-in line amplifiers
• Built-in headphone amplifier gain change-over
circuit (8 dB/12 dB)
• Built-in mute circuit
• Built-in beep circuit
• Built-in circuit against a shock noise generated
when power supply is momentary cut off.
s Applications
• Potable CD and MD players, etc.
7.8±0.3
24 13
Unit : mm
1 12
(0.5)
(0.325)
0.65
0.22+−00..105
Seating plane
SSOP024-P-0300B
Seating plane
s Block Diagram
Mute
VREF Beep
Ripple Filter
1
1 page  
ICs for Audio Common Use
AN7535NSA
s Terminal Equivalent Circuits
Pin No.
Equivalent circuit
13
50 kΩ
1
2 Internal circuit 10 kΩ
2
100 kΩ
250 kΩ
Description
VCC1
Internally stabilized power supply
Ripple filter
Internally stabilized power supply
DC (V)
2.4
2.17
3
4
3
4
7
5
6
3
VCC
2.6
Headphone amplifier side supply voltage
Headphone amplifier ch.1 output pin
1.1
16
14.4 kΩ
21.8 kΩ 14.4 kΩ
VREF R = 1.1 V
N.C.
Headphone amplifier center output pin
1.1
6
7
7
8
3
8
7
1.5 kΩ
3 kΩ 2 kΩ
VREF C = 1.1 V
15
14.4 kΩ
21.8 kΩ 14.4 kΩ
VREF L = 1.1 V
Output GND
Headphone amplifier ch.2 output pin
0
1.1
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet AN7535NSA.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| AN7535NSA | Headphone amplifier IC for portable equipment | Panasonic Semiconductor |
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