LA74322LP

No.A1283-2/14

Operating Conditions at Ta = 25

°C

Parameter

Symbol

Conditions

Ratings

Unit

Recommended supply voltage (VCCA)

VCCA

3.0

V

Recommended supply voltage (VCCHP)

VCCHP

3.0

V

Recommended supply voltage (VCCSP)

VCCSP

3.6

V

Allowable operating voltage range (VCCA)

VCCAop

2.7 to 3.6

V

Allowable operating voltage range (VCCHP)

VCCHPop

2.7 to 3.6

V

Allowable operating voltage range (VCCSP)

VCCSPop

*2

2.7 to 5.0

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

Ratings

No.

Parameter

Symbol

Conditions

min

typ

max

Unit

Circuit current

1

VCCA current dissipation

ICCA

VCCA=3.0V, MIC1 ON,

audio source system (stereo) OFF, receiver

system ON

9.5

mA

2

VCCA STANDBY

current dissipation

ICCAS

VCCA=3.0V, 0V applied to STANBDY pin

10

μA

3

VCCHP current dissipation 1

ICCHP1

VCCHP=3.0V:

Receiver SPK AMP POWER SAVE MODE

8.5

mA

4

VCCHP current dissipation 2

ICCHP2

VCCHP=3.0V:

H/P AMP POWER SAVE MODE

2.7

mA

5

VCCHP STANDBY

current dissipation

ICCHPS

VCCHP=3.0V,

0V applied to STANBDY pin

10

μA

6

VCCSP current dissipation 1

ICCSP1

VCCSP=5.0V: SPK POWER ON MODE

6.5

mA

7

VCCSP current dissipation 2

ICCSP2

VCCSP=5.0V: SPK POWER SAVE MODE

0.3

mA

8

VCCSP STANDBY

current dissipation

ICCSPS

VCCSP=5.0V, 0V applied to STANBDY pin

10

μA

MIC output system

9

INT MIC voltage gain

VGIMIC

INT MIC input, VIN=-29dBV

10

dB

10

INT MIC output distortion

HDIMIC

INT MIC input, VIN=-29dBV,

THD: from 2nd to 5th harmonic

0.03

%

11

INT MIC output noise voltage

VNIMIC

INT MIC no input, JIS-A Filter

-100

dBV

12

INT MIC maximum input level

VMIMIC

INT MIC input, INT MIC input level at which up to

5th order distortions of MIC output are reduced to

3% or less

-20

dBV

13

INT MIC supply voltage

VVIMIC

At 6.2k

Ω load

1.7

V

14

EXT MIC voltage gain

VGEMIC

EXT MIC input, VIN=-29dBV

10

dB

15

EXT MIC output distortion

HDEMIC

EXT MIC input, VIN=-29dBV,

THD: from 2nd to 5th harmonic

0.03

%

16

EXT MIC output noise voltage

VNEMIC

EXT MIC no input, JIS-A Filter

-100

dBV

17

EXT MIC maximum input level

VMEMIC

EXT MIC input, EXT MIC input level at which up

to 5th order distortions of MIC output are reduced

to 3% or less

-20

dBV

18

EXT MIC supply voltage

VVEMIC

At 6.2k

Ω load

1.7

V

REC output system: ALC1 level=-17dBV mode

19

REC reference output level

VOREC

ALC1 input, VIN=-40dBV

-16.5

dBV

20

REC reference output distortion

HDREC

ALC1 input, VIN=-40dBV, THD: from 2nd to 5th

harmonic

0.03

%

21

ALC1 level characteristics

VOALC1

ALC1 input, VIN=-14dBV (reference+26dB)

-10

dBV

22

ALC1 distortion characteristics

VDALC1

ALC1 input, VIN=-14dBV (reference+26dB),

THD: from 2nd to 5th harmonic

0.3

%

23

REC output noise voltage

VNOR

ALC1 no input, JIS-A Filter

-83

dBV

24

ALC1 maximum input level

VMXALC

ALC1 input, ALC1 input level at which up to 5th

order distortions of REC output are reduced to

3% or less

-10

dBV

Continued on next page.