PANASONIC AN7090

ICs for Information Equipment
AN7090FHQ
Peripheral analog IC for audio signal processing
■ Overview
Unit : mm
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
25
24
12
0.50
0.20+0.10
–0.05
■ Applications
Seating plane
• Note-type personal computer, desk-top personal computer, portable information terminal and others
+0.10
1
(0.625)
0.10±0.10
(0.75)
13
0.15–0.05
48
• Built-in head phone amplifier
• Built-in external/internal microphone switching circuit
• Enables power save mode
(0.625)
1.40±0.10
1.70 max.
■ Features
(0.75)
7.00±0.20
9.00±0.40
37
(1.00)
0° to 10°
0.50±0.20
LQFP048- P-0707
MVRE
EMIC
25
26
MGND
27
IMIC
28
MGAI
MICO
MDET
MSEL
29
30
31
32
COGN
CDOL
33
34
19
43
18
44
17
45
16
POW
46
POW
0 dB
47
15
0 dB
14
48
13
MVDD
LINL
LINR
GND
LIJR
LIJL
NVDD
GND
PVDD
HPOR
GND
SPOR
12
PGND
11
OUTR
10
LOIR
9
VINR
SENB
PVDD
8
0 dB
7
0 dB
NVDD
SPOL
42
6
PGND
20
5
HPOL
0 dB
0 dB
MOUT
GND
41
VINL
NVDD
21
0 dB
4
PVDD
40
LOIL
CDL2
23
22
3
CDL1
23 dB
0 dB
2
CIGN
39
24
43 dB
27 dB
38
OUTL
CDR2
47 dB
Mute
1
CDR1
37
PON
GND
35
36
CDOR
■ Block Diagram
1
AN7090FHQ
ICs for Information Equipment
■ Pin Descriptions
Pin No.
Description
Pin No.
Description
1
Power on control
25
Mic. VREF
2
Line-out jack L-channel
26
External mic. input
3
Line-out input L-channel
27
Mic. GND
4
VR-input L-channel
28
Internal mic. input
5
Mono out
29
Mic. select (int./ext.)
6
−5VDD (power)
30
Mic. gain
7
+5VDD (power)
31
Mic. output
8
Speaker enable
32
Mic. mute
9
VR-input R-channel
33
Mic. NF
10
Line-out input R-channel
34
CD-out L-channel
11
Line-out jack R-channel
35
CD-out GND
12
Power GND
36
CD-out R-channel
13
Speaker-out R-channel
37
GND
14
GND (power)
38
CD-in R-channel 1
15
Headphone-out R-channel
39
CD-in R-channel 2
16
+5VDD
40
CD-in GND
17
GND
41
CD-in L-channel 1
18
−5VDD
42
CD-in L-channel 2
19
Line-in jack L-channel
43
+5VDD
20
Line-in jack R-channel
44
−5VDD
21
GND
45
GND
22
Line-in output R-channel
46
Headphone-out L-channel
23
Line-in output L-channel
47
Power GND
24
Mic. amp. VDD
48
Speaker-out L-channel
■ Absolute Maximum Ratings
Parameter
Supply voltage
Supply current
Power dissipation
*2
Operating ambient temperature
Storage temperature
*1
*1
Symbol
Rating
Unit
VCC
±6
V
ICC
15
mA
PD
180
mW
Topr
−20 to +70
°C
Tstg
−55 to +125
°C
Note) *1 : Ta = 25°C except operating ambient temperature and storage temperature.
*2 : Ta = 75°C
2
ICs for Information Equipment
AN7090FHQ
■ Recommended Operating Range
Parameter
Supply voltage
Symbol
Range
Unit
VCC
±4.5 to ±5.0 typ. to ±5.5
V
■ Electrical Characteristics at VCC = ±5 V, f = 1 kHz, Ta = 25°C
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
VIN = 1 V[rms], f = 1 kHz
−1
0
1
dB
VLOTH VIN = 1 V[rms], f = 1 kHz

0.01
0.02
%
VLOSN VIN = 0 V[rms], Rg = 4.7 kΩ

−90
−80
dB
Line-out jack block
Line-out gain *1
VLOLR
Line-out total harmonic distortion
Line-out output residual noise
Cross talk 1
*1
*2
*1
CT1
VIN = 1 V[rms], f = 1 kHz

−70
−60
dB
VSPLR
VIN = 1 V[rms], f = 1 kHz
−1
0
1
dB
VSPTH VIN = 1 V[rms], f = 1 kHz

0.01
0.02
%
VSPSN VIN = 0 V[rms], Rg = 4.7 kΩ

−85
−80
dB
Speaker-out block
Sp-out gain *1
Sp-out total harmonic distortion 2
Sp-out residual noise
*2
Sp-out mute attenuation 1
Cross talk 2
*1
*1
*1
VMU1
VIN = 1 V[rms], f = 1 kHz

−85
−80
dB
CT2
VIN = 1 V[rms], f = 1 kHz

−70
−60
dB
HPTHD4 f = 1 kHz, distortion : 1%,
80
100
120
mW

0.01
0.02
%

−85
−80
dB

−85
−80
dB

−70
−60
dB
Headphone amplifier block
Rated output *1
load : 32 Ω
HP-out total harmonic distortion 3 *1
THD3
VIN = 1 V[rms], f = 1 kHz,
load : 32 Ω
HP-out residual noise *2
HS/N
VIN = 0 V[rms], f = 1 kHz,
Rg = 4.7 kΩ, load : 32 Ω
HP-out mute attenuation 2 *1
VMU2
VIN = 1 V[rms], f = 1 kHz,
load : 32 Ω
Cross talk 3 *1
CT3
VIN = 1 V[rms], f = 1 kHz,
load : 32 Ω
Line-in jack block
L-jack gain *1
L-jack total harmonic distortion 4
L-jack output residual noise
Cross talk 4
*1
*2
*1
VLJ
VIN = 1 V[rms], f = 1 kHz
−1
0
1
dB
THDJ
VIN = 1 V[rms], f = 1 kHz

0.01
0.02
%
LJSN
VIN = 0 V[rms], Rg = 4.7 kΩ

−90
−80
dB
CT4
VIN = 1 V[rms], f = 1 kHz

−70
−60
dB
VCDIN VIN = 1 V[rms], f = 1 kHz
−1
0
1
dB
CDTHD5 VIN = 1 V[rms], f = 1 kHz

0.01
0.02
%
CD-ROM block
CD in gain *1
CD in total harmonic distortion 5
CD in output residual noise
Cross talk 5
*2
*1
*1
CDSN
VIN = 0 V[rms], Rg = 4.7 kΩ

−85
−80
dB
CT5IN
VIN = 1 V[rms], f = 1 kHz

−70
−60
dB
Note) *1 : Using the DIN audio filter.
*2 : Using the A curve filter.
3
AN7090FHQ
ICs for Information Equipment
■ Electrical Characteristics at VCC = ±5 V, f = 1 kHz, Ta = 25°C (continued)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Internal-mic. block
Mic.-out voltage 1 *1
VINT0
VIN = 3 mV[rms], f = 1 kHz
0.3
0.7
1
V[rms]
Mic.-out voltage 2 *1
VINT1
VIN = 3 mV[rms], f = 1 kHz
0.03
0.07
0.1
V[rms]
MICSN1 VIN = 0 V[rms], Rg = 2.2 kΩ

−80
−75
dB
THDM6 VIN = 25 mV[rms], f = 1 kHz

0.02
0.1
%
VMIMU1 VIN = 3 mV[rms], f = 1 kHz

−75
−70
dB
Mic.-out output residual noise *2
Mic.-out total harmonic distortion 6
*1
Mic.-out mute attenuation 3 *1
External-mic. block
Mic.-out voltage 1 *1
VEXT0
VIN = 5 mV[rms], f = 1 kHz
0.3
0.7
1
V[rms]
Mic.-out voltage 2 *1
VEXT1
VIN = 5 mV[rms], f = 1 kHz
0.03
0.07
0.1
V[rms]
MICSN2 VIN = 0 V[rms], Rg = 2.2 kΩ

−80
−75
dB
THDM7 VIN = 25 mV[rms], f = 1 kHz

0.02
0.1
%
VMIMU2 VIN = 5 mV[rms], f = 1 kHz

−75
−70
dB
MICVREFDC Flow out current at pin 25 :
2.3
2.5
2.7
V


0.01
V[p-p]
Mic.-out output residual noise *2
Mic.-out total harmonic distortion 7
*1
Mic.-out mute attenuation 4 *1
Mic. use VREF voltage
1
Mic. use VREF DC voltage *
3.3 mA
Mic. use VREF voltage ripple noise
*1
MICVREFRI Flow out current at pin 25 :
3.3 mA
Circuit current
Circuit current at no load 1
ITOTA1
No input signal (+VCC side)
5
7
10
mA
Circuit current at no load 2
ITOTA2
No input signal (−VCC side)
5
7
10
mA
Circuit current at power save 1
IPWON1
No input signal (+VCC side)
0.3
1
5
mA
Circuit current at power save 2
IPWON2
No input signal (−VCC side)
0.3
1
5
mA
MICBL VEXT1 − VINT1

0
30
mV[rms]
MICBH VEXT0 − VINT0

0
200
mV[rms]
Low-level mic. balance
High-level mic. balance
Note) *1 : Using the DIN audio filter.
*2 : Using the A curve filter.
4
ICs for Information Equipment
AN7090FHQ
■ Terminal Equivalent Circuits
Pin No.
Equivalent circuit
Description
1
Pin voltage
(V)
PON :
Switching control pin of power
save mode

OUTL :
Output pin of L-channel lineout jack
0
LOIL :
Input pin of L-channel line-out
jack
0
1
1.3 V 1.6 V
−VCC
−VCC
−VCC
0.8 V
−VCC
2
VCC
500 Ω
2
100 kΩ
−VCC
3
47
VCC
3
−VCC
20 kΩ
47
5
AN7090FHQ
ICs for Information Equipment
■ Terminal Equivalent Circuits (continued)
Pin No.
Equivalent circuit
Description
4
VCC
VCC
4
Pin voltage
(V)
VINL :
Input pin of L-channel VR
0
MOUT :
Mono output pin of L-channel
and R-channel VR
0
20 kΩ
20 kΩ
−VCC
12
VCC
20 kΩ
20 kΩ
−VCC
9
−VCC
5
VCC
500 Ω
5
100 kΩ
−VCC
12
6

NVDD :
−VDD for power stage
−5
7

PVDD :
+VDD for power stage
+5
SENB :
Speaker enable

8
3.8 V
60 kΩ
8
500 Ω
−VCC
6
ICs for Information Equipment
AN7090FHQ
■ Terminal Equivalent Circuits (continued)
Pin No.
Equivalent circuit
9
Description
VCC
VCC
4
Pin voltage
(V)
VINR :
Input pin of R-channel VR
0
LOIR :
Input pin of R-channel line-out
jack
0
OUTR :
Output pin of R-channel lineout jack
0
PGND :
Ground pin
0
20 kΩ
20 kΩ
−VCC
12
VCC
20 kΩ
20 kΩ
−VCC
9
−VCC
10
VCC
10
−VCC
20 kΩ
12
11
VCC
500 Ω
11
100 kΩ
−VCC
12
12

7
AN7090FHQ
ICs for Information Equipment
■ Terminal Equivalent Circuits (continued)
Pin No.
Equivalent circuit
Description
13
VCC
500 Ω
Pin voltage
(V)
SPOR :
Output pin of R-channel
speaker
0
GND :
Ground pin
0
HPOR :
Output pin of R-channel headphone
0
13
100 kΩ
−VCC
12

14
15
VCC
5Ω
15
5Ω
1 kΩ
−VCC
14
16

PVDD :
VDD
+5
17

GND :
Ground pin
0
18

NVDD :
−VDD
−5
LIJL :
Input pin of L-channel line-in
jack
0
19
VCC
19
−VCC
47 kΩ
21
8
ICs for Information Equipment
AN7090FHQ
■ Terminal Equivalent Circuits (continued)
Pin No.
20
Equivalent circuit
Description
VCC
Pin voltage
(V)
LIJR :
Input pin of R-channel line-in
jack
0
GND :
Ground pin
0
LINR :
Output pin of R-channel linein jack
0
LINL :
Output pin of L-channel linein jack
0
MVDD :
Power supply for mic. amp.
+5
MVRE :
Power supply for mic.
2.5
20
−VCC
47 kΩ
21

21
22
VCC
500 Ω
22
100 kΩ
−VCC
23
21
VCC
500 Ω
23
100 kΩ
−VCC
21

24
25
VCC
100 Ω
25
2.5 V
50 kΩ
−VCC
9
AN7090FHQ
ICs for Information Equipment
■ Terminal Equivalent Circuits (continued)
Pin No.
26
Equivalent circuit
Description
VCC
Pin voltage
(V)
EMIC :
Input pin of external mic. amp.
0
MGND :
Ground pin for mic.
0
IMIC :
Input pin of internal mic. amp.
0
MSEL :
Mic. selector (int./ext.)

MGAI :
Mic. gain control

26
−VCC
47 kΩ
27

27
28
VCC
28
−VCC
47 kΩ
27
29
3.8 V
21 kΩ
29
500 Ω
−VCC
30
3.8 V
21 kΩ
30
500 Ω
−VCC
10
ICs for Information Equipment
AN7090FHQ
■ Terminal Equivalent Circuits (continued)
Pin No.
Equivalent circuit
31
Description
VCC
500 Ω
Pin voltage
(V)
MICO :
Output pin of mic. amp.
0
MDET :
Mic. mute control

Mic. NF :
Negative feedback pin of mic.
amp.
0
CDOL :
Output pin of L-channel CDROM
0
31
100 kΩ
−VCC
27
32
3.8 V
21 kΩ
32
500 Ω
−VCC
33
VCC
VCC
33
−VCC
28 kΩ
2.1 kΩ
−VCC
−VCC
34
VCC
500 Ω
34
100 kΩ
−VCC
35
11
AN7090FHQ
ICs for Information Equipment
■ Terminal Equivalent Circuits (continued)
Pin No.
Equivalent circuit
Description
35
22 kΩ
COGN :
Ground pin
0
CDOR :
Output pin of R-channel CDROM
0
GND :
Ground pin
0
CDR1 :
Input pin of R-channel CDROM1
0
CDR2 :
Input pin of R-channel CDROM2
0
CIGN :
Ground pin
0
22 kΩ
35
36
Pin voltage
(V)
40
VCC
500 Ω
36
100 kΩ
−VCC
35

37
38
VCC
VCC
22 kΩ
38
−VCC
39
22 kΩ
VCC
22 kΩ
−VCC
39
−VCC
22 kΩ
22 kΩ
35
40
12
40
Refer to pin 35.
ICs for Information Equipment
AN7090FHQ
■ Terminal Equivalent Circuits (continued)
Pin No.
41
Equivalent circuit
Description
VCC
VCC
Pin voltage
(V)
CDL1 :
Input pin of L-channel CDROM1
0
CDL2 :
Input pin of L-channel CDROM2
0
22 kΩ
41
−VCC
22 kΩ
−VCC
22 kΩ
VCC
42
42
−VCC
22 kΩ
22 kΩ
35
40
43

PVDD :
+power supply
+5
44

NVDD :
−power supply
−5
45

GND :
Ground pin
0
HPOL :
Output pin of L-channel headphone
0
PGND :
Ground pin
0
SPOL :
Output pin of L-channel
speaker
0
46
VCC
5Ω
46
5Ω
1 kΩ
−VCC

47
48
45
VCC
500 Ω
48
100 kΩ
−VCC
47
13
AN7090FHQ
ICs for Information Equipment
■ Technical Information
• Description of each control pin
Parameter
Pin No.
Low
High
POWERON
1
Power save mode on
Power save mode off
SPKENB
8
Headphone output mute
Speaker output mute
MICGAIN
30
Mic. amp. gain low
Mic. amp. gain high
MICSEL
29
External mic. selection
Internal mic. selection
MICDET
32
Mic. amp. output mute on
Mic. amp. output mute off
EMIC
MVRE
25
27
26 10 µF
MGND
IMIC
10 µF
28
29
30
20
10 µF 42
19
43
18
44
17
45
16
100 µF 46
15
MVDD
LINL
LINR
GND
LIJR
LIJL
NVDD
10 µF
47
14
10 µF 48
13
GND
PVDD
100 µF
12
11
10
9
8
PON
10 kΩ
10 µF
OUTL
10 µF
LOIL
10 µF
VINL
10 µF
MOUT
22 µF
NVDD
22 µF
PVDD
10 µF
SENB
10 kΩ
VINR
10 µF
LOIR
10 µF
OUTR
10 µF
PGND
HPOR
GND
10 µF
10 µF
14
MICO
10 µF
10 kΩ
MGAI
10 µF
10 kΩ
MSEL
10 µF
10 µF 41
1
SPOL
31
21
7
PGND
10 kΩ
MDET
10 µF
40
6
HPOL
32
22
5
GND
33
10 µF 39
4
NVDD
CDOL
23
3
CDL2
10 µF
PVDD
16 µF
10 µF 38
CIGN
CDL1
COGN
24
2
CDR2
34 10 µF
37
GND
CDR1
35
36 10 µF
CDOR
■ Application Circuit Example
SPOR