ICs for Information Equipment
AN7090FHQ
Peripheral analog IC for audio signal processing
s
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.
9.00±0.40
7.00±0.20
36
37
25
24
(0.75)
7.00±0.20
9.00±0.40
Unit : mm
s
Features
•
Built-in head phone amplifier
•
Built-in external/internal microphone switching circuit
•
Enables power save mode
48
1
12
0.20
+0.10
–0.05
13
(0.75)
0.50
(0.625)
1.40±0.10
1.70 max.
•
Note-type personal computer, desk-top personal com-
puter, portable information terminal and others
Seating plane
LQFP048- P-0707
s
Block Diagram
MGND
COGN
MDET
CDOR
CDOL
MGAI
MICO
MSEL
MV
RE
IMIC
EMIC
35
34
33
29
26
36
32
31
30
28
GND
CDR1
CDR2
CIGN
CDL1
CDL2
PV
DD
NV
DD
GND
HPOL
PGND
SPOL
37
38
39
40
0 dB
27
25
Mute
47 dB
27 dB
43 dB
23 dB
24
23
22
21
0 dB
0 dB
41
42
43
44
45
46
47
48
0 dB
20
19
18
17
16
POW
0 dB
POW
0 dB
15
14
13
0 dB
0 dB
11
6
OUTL
LOIL
7
10
1
5
9
OUTR
SENB
VINL
MOUT
PGND
PON
VINR
NV
DD
PV
DD
LOIR
12
2
3
4
8
(0.625)
0.10±0.10
s
Applications
0.15
–0.05
+0.10
(1.00)
0° to 10°
0.50±0.20
MV
DD
LINL
LINR
GND
LIJR
LIJL
NV
DD
GND
PV
DD
HPOR
GND
SPOR
1
AN7090FHQ
s
Pin Descriptions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Description
Power on control
Line-out jack L-channel
Line-out input L-channel
VR-input L-channel
Mono out
−5V
DD
(power)
+5V
DD
(power)
Speaker enable
VR-input R-channel
Line-out input R-channel
Line-out jack R-channel
Power GND
Speaker-out R-channel
GND (power)
Headphone-out R-channel
+5V
DD
GND
−5V
DD
Line-in jack L-channel
Line-in jack R-channel
GND
Line-in output R-channel
Line-in output L-channel
Mic. amp. V
DD
Pin No.
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
ICs for Information Equipment
Description
Mic. V
REF
External mic. input
Mic. GND
Internal mic. input
Mic. select (int./ext.)
Mic. gain
Mic. output
Mic. mute
Mic. NF
CD-out L-channel
CD-out GND
CD-out R-channel
GND
CD-in R-channel 1
CD-in R-channel 2
CD-in GND
CD-in L-channel 1
CD-in L-channel 2
+5V
DD
−5V
DD
GND
Headphone-out L-channel
Power GND
Speaker-out L-channel
s
Absolute Maximum Ratings
Parameter
Supply voltage
Supply current
Power dissipation
*2
Operating ambient temperature
*1
Storage temperature
*1
Symbol
V
CC
I
CC
P
D
T
opr
T
stg
Rating
±6
15
180
−20
to
+70
−55
to
+125
Unit
V
mA
mW
°C
°C
Note) *1 : T
a
=
25°C except operating ambient temperature and storage temperature.
*2 : T
a
=
75°C
2
ICs for Information Equipment
s
Recommended Operating Range
Parameter
Supply voltage
Symbol
V
CC
Range
±4.5
to
±5.0
typ. to
±5.5
AN7090FHQ
Unit
V
s
Electrical Characteristics at V
CC
= ±5
V, f
=
1 kHz, T
a
=
25°C
Parameter
Line-out jack block
Line-out gain
*1
Line-out total harmonic distortion
*1
Line-out output residual noise
*2
Cross talk 1
*1
Speaker-out block
Sp-out gain
*1
Sp-out total harmonic distortion 2
*1
Sp-out residual noise
*2
Sp-out mute attenuation 1
*1
Cross talk 2
*1
Headphone amplifier block
Rated output
*1
HP-out total harmonic distortion 3
*1
HP-out residual noise
*2
HP-out mute attenuation 2
*1
Cross talk 3
*1
Line-in jack block
L-jack gain
*1
L-jack total harmonic distortion 4
*1
L-jack output residual noise
*2
Cross talk 4
*1
CD-ROM block
CD in gain
*1
CD in total harmonic distortion 5
*1
CD in output residual noise
*2
Cross talk 5
*1
Note) *1 : Using the DIN audio filter.
*2 : Using the A curve filter.
Symbol
Conditions
V
IN
=
1 V[rms], f
=
1 kHz
Min
−1
−1
Typ
Max
Unit
VLO
LR
0
0.01
−90
−70
1
0.02
−80
−60
dB
%
dB
dB
VLOTH V
IN
=
1 V[rms], f
=
1 kHz
VLOSN V
IN
=
0 V[rms], R
g
=
4.7 kΩ
CT1
V
IN
=
1 V[rms], f
=
1 kHz
V
IN
=
1 V[rms], f
=
1 kHz
VSP
LR
0
0.01
−85
−85
−70
1
0.02
−80
−80
−60
dB
%
dB
dB
dB
VSPTH V
IN
=
1 V[rms], f
=
1 kHz
VSPSN V
IN
=
0 V[rms], R
g
=
4.7 kΩ
VMU1
CT2
V
IN
=
1 V[rms], f
=
1 kHz
V
IN
=
1 V[rms], f
=
1 kHz
HP
THD4
f
=
1 kHz, distortion : 1%,
load : 32
Ω
THD3
HS/N
VMU2
CT3
V
IN
=
1 V[rms], f
=
1 kHz,
load : 32
Ω
V
IN
=
0 V[rms], f
=
1 kHz,
R
g
=
4.7 kΩ, load : 32
Ω
V
IN
=
1 V[rms], f
=
1 kHz,
load : 32
Ω
V
IN
=
1 V[rms], f
=
1 kHz,
load : 32
Ω
V
IN
=
1 V[rms], f
=
1 kHz
V
IN
=
1 V[rms], f
=
1 kHz
V
IN
=
0 V[rms], R
g
=
4.7 kΩ
V
IN
=
1 V[rms], f
=
1 kHz
80
100
0.01
−85
−85
−70
120
0.02
−80
−80
−60
mW
%
dB
dB
dB
VLJ
THDJ
LJSN
CT4
−1
−1
0
0.01
−90
−70
1
0.02
−80
−60
dB
%
dB
dB
VCDIN V
IN
=
1 V[rms], f
=
1 kHz
CDTHD5 V
IN
=
1 V[rms], f
=
1 kHz
CDSN
CT5IN
V
IN
=
0 V[rms], R
g
=
4.7 kΩ
V
IN
=
1 V[rms], f
=
1 kHz
0
0.01
−85
−70
1
0.02
−80
−60
dB
%
dB
dB
3
AN7090FHQ
ICs for Information Equipment
s
Electrical Characteristics at V
CC
= ±5
V, f
=
1 kHz, T
a
=
25°C (continued)
Parameter
Internal-mic. block
Mic.-out voltage 1
*1
Mic.-out voltage 2
*1
Mic.-out output residual noise
*2
Mic.-out mute attenuation 3
*1
External-mic. block
Mic.-out voltage 1
*1
Mic.-out voltage 2
*1
Mic.-out output residual noise
*2
Mic.-out mute attenuation 4
*1
Mic. use V
REF
voltage
Mic. use V
REF
DC voltage
*
1
Symbol
Conditions
V
IN
=
3 mV[rms], f
=
1 kHz
V
IN
=
3 mV[rms], f
=
1 kHz
Min
Typ
Max
Unit
V
INT0
V
INT1
0.3
0.03
0.7
0.07
−80
0.02
−75
1
0.1
−75
0.1
−70
V[rms]
V[rms]
dB
%
dB
MICSN1 V
IN
=
0 V[rms], R
g
=
2.2 kΩ
VMIMU1 V
IN
=
3 mV[rms], f
=
1 kHz
V
IN
=
5 mV[rms], f
=
1 kHz
V
IN
=
5 mV[rms], f
=
1 kHz
Mic.-out total harmonic distortion 6
*1
THDM6 V
IN
=
25 mV[rms], f
=
1 kHz
V
EXT0
V
EXT1
0.3
0.03
2.3
0.7
0.07
−80
0.02
−75
2.5
1
0.1
−75
0.1
−70
2.7
0.01
V[rms]
V[rms]
dB
%
dB
V
V[p-p]
MICSN2 V
IN
=
0 V[rms], R
g
=
2.2 kΩ
VMIMU2 V
IN
=
5 mV[rms], f
=
1 kHz
MICV
REFDC
Flow out current at pin 25 :
3.3 mA
1
Mic.-out total harmonic distortion 7
*1
THDM7 V
IN
=
25 mV[rms], f
=
1 kHz
Mic. use V
REF
voltage ripple noise
*
Circuit current
Circuit current at no load 1
Circuit current at no load 2
Circuit current at power save 1
Circuit current at power save 2
Low-level mic. balance
High-level mic. balance
Note) *1 : Using the DIN audio filter.
*2 : Using the A curve filter.
MICV
REFRI
Flow out current at pin 25 :
3.3 mA
I
TOTA1
I
TOTA2
I
PWON1
I
PWON2
No input signal (+V
CC
side)
No input signal (−V
CC
side)
No input signal (+V
CC
side)
No input signal (−V
CC
side)
5
5
0.3
0.3
7
7
1
1
0
0
10
10
5
5
30
200
mA
mA
mA
mA
mV[rms]
mV[rms]
MICBL V
EXT1
−
V
INT1
MICBH V
EXT0
−
V
INT0
4
ICs for Information Equipment
s
Terminal Equivalent Circuits
Pin No.
1
Equivalent circuit
Description
AN7090FHQ
Pin voltage
(V)
PON :
Switching control pin of power
save mode
1
−V
CC
−V
CC
1.3 V 1.6 V
−V
CC
0.8 V
−V
CC
2
V
CC
500
Ω
OUTL :
Output pin of L-channel line-
out jack
0
2
100 kΩ
−V
CC
3
47
LOIL :
Input pin of L-channel line-out
jack
0
V
CC
3
20 kΩ
−V
CC
47
5
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