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