Audio signal processor
Description
ICs for Audio Common Use
AN7515SH
Audio signal processing IC for notebook PC
I Overview
AN7515SH has a speaker power amplifier, headphone power amplifier, line amplifier, electric volume and a bass boost circuit for notebook PC.
This IC adopts a small thin package, enabling compact and high integrated set.
14.
00±0.
10 (6.
90) (5.
45) 56 29
0.
15±0.
05
Unit: mm
Area of no resin flash
(1.
00)
(3.
70) 6.
10±0.
10 8.
10±0.
20
(2.
25)
I Features
• Possible speaker power is 1 W × 2-ch.
: 8 Ω output at VCC = 5 V 0.
65 W × 2-ch.
: 4 Ω output at VCC = 3.
3 V • A gain and frequency response of bass boost can be adjusted with external components • Each amplifiers has a standby and mute switch • Pin compatible with AN7516SH with Spatializer function except for Spatializer pins • VCC of speaker and headphone can be adjusted separately • Thin package (1.
0 mm)
0° to 8° 0.
50±0.
10
1.
20 max.
1 (0.
25) 0.
50 0.
20±0.
05
28 0.
10 M
(1.
00) 0.
10±0.
10
0.
10
Seating plane
Seating plane
HSOP056-P-0300A (Lead-free package)
I Applications
• Notebook PC
I Block Diagram
Head phone amplifier Head phone amplifier standby SW Head phone amplifier mute SW
Speaker amplifier standby SW
Speaker amplifier with bass boost 5 V, 8 Ω, 1 W
Speaker amplifier mute SW
Electric volume
Bass boost SW
Line amplifier
Line amplifier mute SW
Beep input
Publication date: December 2001
SDC00036BEB
1
AN7515SH
I Application Circuit Example
2.
5 V to 5.
5 V Line out [R-ch.
]
C19 1 µF
29 30
28 27 26 25 Linemute 24 23 HPmute 22 21 20 19 18 17 16 15
Volume
C18 1 µF C17 1 µF
Line in [R-ch.
] Line in [L-ch.
]
C20 1 µF Line out [L-ch.
] Beep control (line) Mute (line) C21 1 µF Beep control (HP) Mute (HP) C22 1 µF C24 47 µF
31
32 VR2 10 kΩ R5 50 kΩ 33 34 VR3 10 kΩ R6 50 kΩ 35 36 37 38
C16 1 µF J-3 C15 1 µF J-4
Head phone in [L-ch.
] Head phone in [R-ch.
]
C14 1 µF R4 33 kΩ Beep in
To Pin17 Electric volume adjuster variable register
VR4 50 kΩ 1 µF C25 47 µF
39 40 41 42
R.
F.
VCC2 (HP) VCC1 (HP)
...
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