ICs for Audio Common Use
1
Publication date: December 2001 SDC00036BEB
AN7515SH
Audio signal processing IC for notebook PC
a73 Overview
AN7515SH has a speaker power amplifier, head-
phone power amplifier, line amplifier, electric vol-
ume and a bass boost circuit for notebook PC. This
IC adopts a small thin package, enabling compact
and high integrated set.
a73 Features
• Possible speaker power is
1 W × 2-ch. : 8 Ω output at V
CC
= 5 V
0.65 W × 2-ch.: 4 Ω output at V
CC
= 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
• V
CC
of speaker and headphone can be adjusted
separately
• Thin package (1.0 mm)
a73 Applications
• Notebook PC
HSOP056-P-0300A (Lead-free package)
Unit: mm
14.00±0.10
0.20±0.05(0.25)
(1.00)
0° to 8°
0.50±0.10
0.15
±0.05
Seating plane Seating plane
(6.90)
(5.45)
56
29
281
(2.25)
(3.70)
6.10
±0.10
0.10
±0.10
8.10
±0.20
1.20 max.(1.00)
0.50
M0.10
0.10
Area of no resin flash
a73 Block Diagram
Speak
er amplif
ier
with bass boost 5 V
,

8
Ω
, 1
W
Head phone amplif
ier
Beep inputElectric v
olume
Line amplif
ier
Bass boost SW Speak
er amplif
ier
standby SW Head phone amplif
ier
standby SW Speak
er amplif
ier
mute SW Head phone amplif
ier
mute SW Line amplif
ier
mute SW
  