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AN7535NSA

Part Number	AN7535NSA
Manufacturer	Panasonic Semiconductor
Description	Headphone amplifier
Published	Mar 26, 2005
Detailed Description	ICs for Audio Common Use AN7535NSA Headphone amplifier IC for portable equipment 7.8±0.3 Unit : mm 13 s Overview The ...
Datasheet	AN7535NSA PDF File

Overview

ICs for Audio Common Use AN7535NSA Headphone amplifier IC for portable equipment 7.
8±0.
3 Unit : mm 13 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.
24 6.
1±0.
3 8.
1±0.
3 1 12 0.
525±0.
1 1.
2±0.
2 (0.
5) (0.
325) 0.
65 0.
22−0.
05 Seating plane +0.
1 • 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.
0.
525±0.
1 s Features 0.
15 Seating plane SSOP024-P-0300B s Applications • Potable CD and MD players, etc.
s Block Diagram 24 23 22 21 20 1 19 1 18 17 16 15 14 Mute VREF Beep 8/12 dB Ripple Filter 10 11 12 1 2 3 4 5 6 7 8 9 8/12 dB 13 0.
1±0.
1 1 AN7535NSA s Pin Descriptions Pin No.
1 2 3 4 5 6 7 8 9 10 11 12 VCC1 Ripple filter Supply voltage Headphone amplifier ch.
1 output pin N.
C.
Center amplifier output pin Output GND Headphone amplifier ch.
2 output pin Line amplifier ch.
1 output pin Line amplifier supply voltage Line amplifier ch.
2 output pin N.
C.
Description Pin No.
13 14 15 16 17 18 19 20 21 22 23 24 ICs for Audio Common Use Description Line amplifier ch.
2 NF pin Line amplifier ch.
2 input pin Headphone amplifier ch.
2 input pin Headphone amplifier ch.
1 input pin Line amplifier ch.
1 input pin Line amplifier ch.
1 NF pin Input GND Headphone amplifier gain change-over pin Beep input pin Internal reference voltage Mute pin Mute time-constant s Absolute maximum ratings Parameter Supply voltage*2 voltage*2 Symbol VCC VCC-LINE ICC ICC-LINE PD Topr Tstg Rating 7 7 200.
0 20.
0 370 −20 to + 75 −55 ...

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AN7535NSA Headphone amplifier - Panasonic Semiconductor

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