Ordering number : EN*A1283
Monolithic Linear IC
LA74322LP
Overview
Audio I/O Interface
for Cell Phone
The LA74322LP is an audio I/O interface IC for cell phones that integrates, on a single chip, amplifiers for a monaural
speaker, EVR stereo headphone, internal and external microphones, and a receiver speaker.
Features
•
INT & EXT MIC amplifiers selectable (MIC power supply built-in)
•
ALC amplifier (ALC level: 3 levels selectable)
•
Base band/audio source input selector switch
•
ALC (through switch, ALC level: 4 levels selectable)
•
EVR stereo headphone amplifier
•
Monaural speaker amplifier
•
Receiver speaker amplifier (mono) standby control
•
I
2
C bus supported (first mode)
Specifications
Maximum Ratings
at Ta=25°C
Parameter
Supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
Pd max
Topr
Tstg
Ta≤70°C, Mounted on a specified board *1
Conditions
Ratings
5.5
TBD
-20 to +70
-55 to +150
Unit
V
mW
°C
°C
*1:
Mounted on a specified board: TBD
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer
'
s products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer
'
s products or
equipment.
73008 TI IM No.A1283-1/14
LA74322LP
Operating Conditions
at Ta = 25°C
Parameter
Recommended supply voltage (VCCA)
Recommended supply voltage (VCCHP)
Recommended supply voltage (VCCSP)
Allowable operating voltage range (VCCA)
Allowable operating voltage range (VCCHP)
Allowable operating voltage range (VCCSP)
Symbol
VCCA
VCCHP
VCCSP
VCCAop
VCCHPop
VCCSPop
*2
Conditions
Ratings
3.0
3.0
3.6
2.7 to 3.6
2.7 to 3.6
2.7 to 5.0
Unit
V
V
V
V
V
V
*2:
Take care not to exceed Pd max.
Electrical Characteristics
at Ta=25°C, VCCA=VCCHP=3.0V, VCCSP=5.0V, f=1kHz, ALC1 LEVEL=-17dBV
MODE, ALC2 LEVEL=-11dBV MODE
No.
Circuit current
1
VCCA current dissipation
ICCA
VCCA=3.0V, MIC1 ON,
audio source system (stereo) OFF, receiver
system ON
2
3
4
5
6
7
8
VCCA STANDBY
current dissipation
VCCHP current dissipation 1
VCCHP current dissipation 2
VCCHP STANDBY
current dissipation
VCCSP current dissipation 1
VCCSP current dissipation 2
VCCSP STANDBY
current dissipation
ICCAS
ICCHP1
ICCHP2
ICCHPS
ICCSP1
ICCSP2
ICCSPS
VCCA=3.0V, 0V applied to STANBDY pin
VCCHP=3.0V:
Receiver SPK AMP POWER SAVE MODE
VCCHP=3.0V:
H/P AMP POWER SAVE MODE
VCCHP=3.0V,
0V applied to STANBDY pin
VCCSP=5.0V: SPK POWER ON MODE
VCCSP=5.0V: SPK POWER SAVE MODE
VCCSP=5.0V, 0V applied to STANBDY pin
6.5
0.3
10
10
8.5
2.7
10
μA
mA
mA
μA
mA
mA
μA
Parameter
Symbol
Conditions
min
Ratings
typ
max
Unit
9.5
mA
MIC output system
9
10
11
12
INT MIC voltage gain
INT MIC output distortion
INT MIC output noise voltage
INT MIC maximum input level
VGIMIC
HDIMIC
VNIMIC
VMIMIC
INT MIC input, VIN=-29dBV
INT MIC input, VIN=-29dBV,
THD: from 2nd to 5th harmonic
INT MIC no input, JIS-A Filter
INT MIC input, INT MIC input level at which up to
5th order distortions of MIC output are reduced to
3% or less
13
14
15
16
17
INT MIC supply voltage
EXT MIC voltage gain
EXT MIC output distortion
EXT MIC output noise voltage
EXT MIC maximum input level
VVIMIC
VGEMIC
HDEMIC
VNEMIC
VMEMIC
At 6.2kΩ load
EXT MIC input, VIN=-29dBV
EXT MIC input, VIN=-29dBV,
THD: from 2nd to 5th harmonic
EXT MIC no input, JIS-A Filter
EXT MIC input, EXT MIC input level at which up
to 5th order distortions of MIC output are reduced
to 3% or less
18
EXT MIC supply voltage
VVEMIC
At 6.2kΩ load
1.7
V
-20
dBV
1.7
10
0.03
-100
V
dB
%
dBV
-20
dBV
10
0.03
-100
dB
%
dBV
REC output system:
ALC1 level=-17dBV mode
19
20
21
22
23
24
REC reference output level
REC reference output distortion
ALC1 level characteristics
ALC1 distortion characteristics
REC output noise voltage
ALC1 maximum input level
VOREC
HDREC
VOALC1
VDALC1
VNOR
VMXALC
ALC1 input, VIN=-40dBV
ALC1 input, VIN=-40dBV, THD: from 2nd to 5th
harmonic
ALC1 input, VIN=-14dBV (reference+26dB)
ALC1 input, VIN=-14dBV (reference+26dB),
THD: from 2nd to 5th harmonic
ALC1 no input, JIS-A Filter
ALC1 input, ALC1 input level at which up to 5th
order distortions of REC output are reduced to
3% or less
-10
dBV
-16.5
0.03
-10
0.3
-83
dBV
%
dBV
%
dBV
Continued on next page.
No.A1283-2/14
LA74322LP
Continued from preceding page.
No.
Parameter
Symbol
Conditions
min
EVR output system:
ALC2 level=-11dBV mode
25
26
27
28
29
EVR reference output level 1
(VOl=Max)
EVR reference output distortion
EVR reference output level 2
(VOl=Typ)
EVR reference output level 3
(VOl=Min)
EVR maximum input level
VOEVR1
HDEVR
VOEVR2
VOEVR3
VMXEVR
Audio source pin input, VIN=-25dBV,
EVR=Max
Audio source pin input, VIN=-25dBV,
EVR=Max, THD: from 2nd to 5th harmonic
Audio source pin input, VIN=-25dBV,
EVR=Typ (5Bit: 11011)
Audio source pin input, VIN=-25dBV,
EVR=Min, JIS-A Filter
ALC2=Through MODE, audio source input level
at which up to 5th order distortions of EVR output
are reduced to 3% or less l
H/P output system:
Measured at HP load = 16Ω, ALC2=Through mode
30
31
32
33
H/P reference output level
H/P reference output distortion
H/P output noise voltage
H/P maximum input level
VOHP
HDHP
VNHP
VMXHP
Base band input, VIN=-11dBV, EVR=Max
Base band input, VIN=-11dBV,
THD: from 2nd to 5th harmonic
No base band input, EVR=Max,
JIS-A Filter
Base band input, base band input level at which
up to 5th order distortions of H/P output are
reduced to 3% or less
SPK output system:
Measured at SPK load = 8Ω, ALC2 level=-11dBV mode
34
35
36
37
SPK reference output level
SPK reference output distortion
SPK output noise voltage
SPK maximum output power
VOSPK
VDSPK
VNSPK
VMXSPK
Audio source pin input, VIN=-30dBV, VOl=Max
Audio source pin input, VIN=-30dBV,
VOl=Max, THD: from 2nd to 5th harmonic
No input at audio source pin, EVR=Max,
JIS-A Filter
Audio source pin input, SPK output power at
which up to 5th order distortions of SPK output
are reduced to 3% or less, ALC2=Through
MODE
38
39
40
41
SPK ALC level 1
SPK ALC level 2
SPK ALC level 3
SPK ALC level 4
VOSPK1
VOSPK2
VOSPK3
VOSPK4
Audio source pin input, VIN=-10dBV, VOl=Max,
LC2=-13dBV MODE
Audio source pin input, VIN=-10dBV, VOl=Max,
ALC2=-12dBV MODE
Audio source pin input, VIN=-10dBV, VOl=Max,
ALC2=-11dBV MODE
Audio source pin input, VIN=-10dBV, VOl=Max,
ALC2=-10.5dBV MODE
Receiver SPK output system:
Measured at SPK load = 32Ω
42
43
44
45
46
47
Receiver SPK reference output
level 1 (VOl=Max)
Receiver SPK reference output
distortion
Receiver SPK reference output
level 2 (VOl=Typ)
EVR reference output level 3
(VOl=Min)
Receiver SPK
output noise voltage
Receiver SPK
maximum output power
Control system
48
49
50
Serial CLOCK frequency
Serial input LOW level
Serial input HIGH level
FCLK
SERLO
SERHI
I
2
C bus first mode
0
2.4
400
0.6
3.5
kHz
V
V
VMXRSP
VORSP3
VNRSP
VORSP2
VDRSP
Base band input, VIN=-22dBV, VOl=Max,
THD: from 2nd to 5th harmonic
Base band input, VIN=-22dBV,
VOl=Typ (5Bit: 11011)
Base band input, VIN=-22dBV, EVR=Min,
JIS-A Filter
Base band no input, EVR=Max,
JIS-A Filter
Base band input, SPK output power at which up
to 5th order distortions of SPK output are
reduced to 3% or less
110
mW
VORSP1
Base band input, VIN=-22dBV, VOl=Max
-4
0.9
-10
-80
-80
dBV
%
dBV
dBV
dBV
4.5
5.5
6.4
7
dBV
dBV
dBV
dBV
1000
mW
-4
0.9
-70
dBV
%
dBV
-10
dBV
-19
0.1
-100
dBV
%
dBV
-3
dBV
-17.3
0.003
-22.5
-96
dBV
%
dBV
dBV
Ratings
typ
max
unit
No.A1283-3/14
LA74322LP
Electrical Characteristic: Serial Communication Condition Table
Address(0 1)
No. Symbol
D
8
0
0
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D
7
0
0
1
1
1
1
1
1
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D
5
0
0
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
D
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
D
2
1
1
0
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D
1
1
1
0
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D
8
1
1
0
1
1
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
D
7
1
1
0
1
1
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
D
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
1
1
1
1
1
1
1
1
Address(0 2)
D
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
0
0
0
0
D
4
1
1
0
1
1
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
1
0
0
0
1
0
0
0
0
1
1
1
1
1
1
D
3
1
1
0
1
1
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
1
0
0
0
1
0
0
0
0
1
1
1
1
1
1
D
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D
1
1
1
1
1
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
D
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
D
7
1
1
0
1
1
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
D
6
1
1
0
1
1
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
Address(0 3)
D
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
D
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
D
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
D
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
D
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
D
8
0
0
1
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
D
7
0
0
1
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
D
6
0
0
1
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
Address(0 4)
D
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
1
1
D
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
1
1
D
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
1
1
D
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
1
1
D
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
1
1
1
2
3
4
5
6
7
8
9
ICCA
ICCAS
ICCHP1
ICCHP2
ICCHPS
ICCSP1
ICCSP2
ICCSPS
VGIMIC
10 HDIMIC
11 VNIMIC
12 VMIMIC
13 VVIMIC
14 VGEMIC
15 HDEMIC
16 VNEMIC
17 VMEMIC
18 VVEMIC
19
20
VOREC
HDREC
21 VOALC1
22 VDALC1
23
VNOR
24 VMXALC
25 VOEVR1
26
HDEVR
27 VOEVR2
28 VOEVR3
29 VMXEVR
30
31
32
33
34
35
36
VOHP
HDHP
VNHP
VMXHP
VOSPK
VDSPK
VNSPK
37 VMXSPK
38 VOSPK1
39 VOSPK2
40 VOSPK3
41 VOSPK4
42 VORSP1
43
VDRSP
44 VORSP2
45 VORSP3
46
VNRSP
47 VMXRSP
↑
It is SW of Lch SPK setting.
Here always sets “1” = OFF.
No.A1283-4/14
Data byte (Underline is initial setting)
Address
D6
D5
D4
D3
D2
LSB
D1
MSB
D8
D7
MIC1 & 2 Power Save CTL
MIC1 or 2 Input Select
1,0
OFF
ALC1 DET
discharge
OFF
ON
OFF
ON
ALC2 DET
discharge
OFF
-17dBV
-
-
Lch ALC2 CTL
Power Save & Through SW
1,0
-
-
ALC2
ON
OFF
ALC2
1,1
D4
0
1
D3
0
ON
1
OFF
Lch SPK
Power
ON
Through
SW
OFF
-10.5dBV
-
-
-
ON
ON
-11dBV
-
-
ON
-
OFF
ON
OFF
-12dBV
-
ON
-
-
Through SW
OFF
ON
*Note
Please set OFF.
ON
OFF
Rch SPK
Power
Rch ALC2 CTL
Power Save & Through SW
-
ON
Lch Speaker
Power Save CTL
D2
0
1
ON
-
OFF
ALC2 LEVEL
=-13/-12/-11/-10.5dBV CTL
1,0
OFF
OFF
-13dBV
ON
-
1,1
D6,D5
0,0
0,1
-
-
OFF
-19dBV
-
ON
-
-
OFF
-21dBV
ON
-
-
-
Lch H/P
ON
OFF
1,1
D6,D5
0,0
0,1
1,0
1,1
D4
0
1
D3
0
1
D2
0
1
D1
Rch H/P
ALC1 & REC AMP Power Save CTL
ALC1 LEVEL=-21/-19/-17dBV CTL
ALC1 DET
Discharge CTL
ALC2 DET
Discharge CTL
Lch H/P
Power Save CTL
Rch H/P
Power Save CTL
0
ON
1
OFF
D8,D7
0,0
0,1
(0 1)
00000001
MIC1
ON
OFF
MIC2
OFF
ON
Sound source & Base Band (B.B.)
Input Select
Rch Speaker
Power Save CTL
D1
0
1
D8,D7
0,0
0,1
Serial Data Specification (I
2
C bus communication)
[Slave Address: 1 1 1 0 1 0 0 0]
(0 2)
00000010
Lch Input SW
ON
ON
ON
OFF
Rch Input SW
ON
OFF
LA74322LP
B.B. input SW
OFF
OFF
VREF
Charge CTL
D16(10000)
0
ON
OFF
Rch EVR
Power
ON
OFF
EVR D16
Gain
ATT
1
D6
0
D5
0
1
1
AMP
D4
Lch EVR
Power Save CTL
Rch EVR
Power Save CTL
D08(01000)
0
EVR D08
Gain
ATT
EVR Setting (Sound source & Base Band) 5bit
(0 3)
00000011
D04(00100)
1
AMP
D3
EVR D04
Gain
0
ATT
1
AMP
D2
D02(00010)
0
EVR D2
Gain
ATT
1
AMP
D1
D01(00001)
0
EVR D1
Gain
ATT
1
AMP
D8
0
1
D7
VREF
charge SW
OFF
ON
Lch EVR
Power
Receiver Speaker
Power Save CTL
Receiver
Input Select SW
Receiver EVR
Power Save CTL
D16(10000)
D08(01000)
D5
OFF
ON
EVR D16
Gain
0
ATT
1
AMP
D4
EVR D08
Gain
0
ATT
1
AMP
EVR Setting (Receiver) 5bit
D04(00100)
D3
EVR D04
Gain
0
ATT
1
AMP
D2
EVR D2
Gain
D02(00010)
0
ATT
1
AMP
D1
1
EVR D1
Gain
D01(00001)
0
ATT
1
AMP
(0 4)
00000100
0
ON
OFF
Receiver
EVR
1
D6
0
D8
0
1
D7
No.A1283-5/14
Receiver
Speaker
ON
OFF
Input
Select SW
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