LA74308LP

No.A0898-2/16

Operating Conditions at Ta = 25

°C

Parameter

Symbol

Conditions

Ratings

Unit

VCCA

3.0

V

Recommended operating voltage

VCCSP

3.3

V

VCCAop

2.7 to 3.6

V

Allowable operating voltage range

VCCSPop

Take care not to exceed Pd max.

2.7 to 3.6

V

Electrical Characteristics at Ta=25

°C, VCCA=3.0V, VCCSP=3.3V, f=1kHz, with the VREF capacitance charging

circuit in the OFF MODE

Ratings

Parameter

Symbol

Conditions

min

typ

max

Unit

Circuit current

VCCA current dissipation at no

signal 1

ICCA1

VCCA=3.0V:REC BLOCK(MIC/ALC/REC AMP)

POWER SAVE MODE

4.9

6.6

8.3

mA

VCCA current dissipation at no

signal 2

ICCA2

VCCA=3.0V, LINE/SP AMP POWER SAVE MODE

6.2

8.3

10.4

mA

VCCA standby current dissipation 1

ICCAS1

VCCA=3.0V, during standby control V3=0V

1

μA

VCCA standby current dissipation 2

ICCAS2

VCCA=3.0V, BIAS MODE

800

μA

VCCSP current dissipation at no

signal 1

ICCS1

VCCSP=3.3V, SPK POWER ON MODE

1

2

4

mA

VCCSP current dissipation at no

signal 2

ICCS2

VCCSP=3.3V, SPK POWER SAVE MODE

0.05

0.1

mA

VCCSP standby current dissipation 1

ICCSS1

VCCSP=3.3V, during standby control

(0V applied to pin 3)

9

μA

VCCSP standby current dissipation 2

ICCSS2

VCCSP=3.3V, BIAS MODE

9

μA

REC output system

REC reference output LEVEL

VOR

ALC IN, VIN=-53dBV

-11

-9.5

-8

dBV

REC reference output distortion

HDR1

ALC IN, VIN=-53dBV, THD: from 2nd to 5th harmonic

0.1

0.2

%

ALC characteristics

ALM

ALC IN, VIN=-20dBV

-3

-1.8

dBV

ALC distortion

ALMD

ALC IN, VIN=-20dBV, THD: from 2nd to 5th harmonic

0.3

1

%

ALC IN max input level

VINRMX

ALC IN LEVEL at which REC output THD

(from 2nd to 5th harmonic) becomes 3% or less.

-7

dBV

REC output noise voltage

VNOR

ALC IN, no input, JIS-A Filter

-70

-60

dBV

LINE output system (LINE load = as measured at the 22k

Ω end)

LINE reference output LEVEL

VOL

PB IN, VIN=-17dBV

-11

-9.5

-8

dBV

LINE reference output distortion

HDL

PB IN, VIN=-17dBV, THD: from 2nd to 5th harmonic

0.1

0.2

%

LINE reference output noise voltage

VNOL

PB IN, no input, JIS-A Filter

-77

-69

dBV

PB IN max input LEVEL

VINPMX

PB IN LEVEL at which LINE output THD

(from 2nd to 5th harmonic) becomes 1% or less.

-9

dBV

LINE output frequency

characteristics 1

FEQP1

PB IN, VIN=-10dBV, comparison of f=3kHz/1kHz

-3.5

-2

dB

LINE output frequency

characteristics 2

FEQP2

PB IN, VIN=-10dBV, comparison of f=4kHz/1kHz

-10

-6

dB

LINE output frequency

characteristics 3

FEQP3

PB IN, VIN=-10dBV, comparison of f=8kHz/1kHz

-55

-30

dB

SP output system (SP load = as measured at the 8

Ω end)

SP reference output LEVEL1

(Vol.MAX)

VOSP1

PB IN, VIN=-17dBV, Vol=MAX (EVR DATA=31)

-6

-3

0

dBV

SP reference output distortion

THDSP

PB IN, VIN=-17dBV, Vol=MAX,

THD: from 2nd to 5th harmonic

0.4

1

%

SP reference output LEVEL2

(Vol.TYP)

VOSP2

PB IN, VIN=-17dBV, Vol=TYP (EVR DATA=14)

-18

-12

-6

dBV

SP reference output LEVEL3

(Vol.MIN)

VOSP3

PB IN, VIN=-17dBV,Vol=MIN (EVR DATA=0)

JIS-A Filter

-80

-70

dBV

SP reference output noise voltage

VNOSP

PB IN no input, Vol=MAX, JIS-A Filter

-70

-64

dBV

SP maximum ratings output

VOMSP

PB IN, Vol=MAX, LEVEL at which THD=10%

200

320

mW

Continued on next page.