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

*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

3.6

2.7 to 3.6

2.7 to 5.0

Unit

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

8.5

2.7

10

μA

mA

μA

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

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

dBV

%

dBV

4.5

5.5

6.4

7

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

Ratings

typ

max

unit

No.A1283-3/14

LA74322LP

Electrical Characteristic: Serial Communication Condition Table

Address(0 1)

No. Symbol

D

8

0

1

0

1

D

7

0

1

0

1

D

6

1

D

5

0

1

0

1

D

4

0

D

3

0

D

2

1

0

1

0

1

0

1

D

1

0

1

0

1

0

1

D

8

1

0

1

0

1

0

1

0

1

D

7

1

0

1

0

1

0

1

0

1

D

6

1

0

1

Address(0 2)

D

5

0

1

0

1

0

D

4

1

0

1

0

1

0

1

0

1

0

1

D

3

1

0

1

0

1

0

1

0

1

0

1

D

2

1

D

1

0

1

0

1

D

8

0

D

7

1

0

1

0

1

0

1

D

6

1

0

1

0

1

0

1

Address(0 3)

D

5

0

1

0

1

0

D

4

0

1

0

1

0

D

3

0

1

0

1

0

D

2

0

1

0

1

0

D

1

0

1

0

1

0

D

8

0

1

0

1

0

D

7

0

1

0

1

0

D

6

0

1

0

1

0

Address(0 4)

D

5

0

1

0

1

D

4

0

1

0

1

D

3

0

1

0

1

D

2

0

1

0

1

D

1

0

1

0

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

-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

-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

OFF

Rch Input SW

ON

OFF

LA74322LP

B.B. input SW

OFF

VREF

Charge CTL

D16(10000)

0

ON

OFF

Rch EVR

Power

ON

OFF

EVR D16

Gain

ATT

1

D6

0

D5

0

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

参数名称	属性值
厂商名称	SANYO
零件包装代码	QFN
包装说明	,
针数	40
Reach Compliance Code	unknown
商用集成电路类型	CONSUMER CIRCUIT
JESD-30 代码	S-XQCC-N40
端子数量	40
封装主体材料	UNSPECIFIED
封装形状	SQUARE
封装形式	CHIP CARRIER
认证状态	Not Qualified
表面贴装	YES
端子形式	NO LEAD
端子位置	QUAD

LA75322LP

LA75322LP概述

LA75322LP规格参数

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