ICs for Information Equipment
1
AN7090FHQ
Peripheral analog IC for audio signal processing
n Overview
The AN7090FHQ is a one chip IC of audio signal
processing analog circuit for use in various information
systems including microcomputer.
Small-sizing of system and low power dissipation are
possible.
n Features
• Built-in head phone amplifier
• Built-in external/internal microphone switching circuit
• Enables power save mode
n Applications
• Note-type personal computer, desk-top personal com-
puter, portable information terminal and others
n Block Diagram
LQFP048- P-0707
Unit : mm
9.00±0.40
9.00±0.40
1.70 max.1.40±0.10(0.625)
(0.625)
0.10±0.10
7.00±0.20
7.00±0.20
(0.75)
36 25
1
(0.75)
12
0.20
+0.10
–0.05
24
1348
37
0.50
Seating plane
(1.00)
0.50±0.20
0 to 10
0.15
+
0
.1
0
–
0
.0
5
SPOR
13
SPOL
48
GND
14
PGND
47
HPOR
15
HPOL
46
PV
DD
16
GND
45
GND
17
NV
DD
44
NV
DD
18
PV
DD
43
LIJL
19
CDL2
42
LIJR
20
CDL1
41
GND
21
CIGN
40
LINR
22
CDR2
39
LINL
23
CDR1
38
MV
DD
24
GND
37
0 dB
POW
MV
RE
25
PGND
12
EMIC
26
OUTR
11
MGND
27
LOIR
10
IMIC
28
VINR
9
MSEL
29
SENB
8
MGAI
30
PV
DD
7
MICO
31
NV
DD
6
MDET
32
MOUT
5
33
VINL
4
CDOL
34
LOIL
3
COGN
35
OUTL
2
CDOR
36
PON
1
0 dB
POW
0 dB
Mute
47 dB
27 dB
0 dB0 dB
0 dB 0 dB
0 dB
43 dB
23 dB