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