LA74309FA datasheet(2/5 Pages) SANYO

2 / 5 page

LA74309FA

No.A2050-2/5

Operating Conditions at Ta = 25

°C

Parameter

Symbol

Conditions

Ratings

Unit

Recommended power supply voltage

VCC

3.3

Operating voltage range of VCC

VCCop

3.1 to 3.6

Electrical Characteristics at Ta=25

°C, VCC=3.3V, f=1kHz

Parameter

Symbol

Conditions

Ratings

Unit

min

typ

max

Circuit current

VCC no signal current dissipation

ICC

VCC=3.3V, Active mode (Pin3=3V)

3.9

5.3

6.7

VCC standby current dissipation

ICCS

VCC=3.3V, Standby mode (Pin3=0V)

μA

REC output system

Standard REC output level

VOR

VIN=-49dBV at ALC IN pin (=Standard level)

-10

-9

-8

dBV

Standard REC output distortion

HDR

ALC IN, VIN=-49dBV, THD from to 5th harmonic

0.1

0.2

ALC characteristics

ALM

ALC IN, VIN=-17dBV (=Standard level +32dB)

-3

-1

dBV

ALC THD

ALMD

ALC IN, VIN=-17dBV (=Standard level +32dB),

THD from to 5th harmonic

0.25

ALC IN maximum input level

VINRMX

REC output THD

≤3%

-10

dBV

REC output noise level

VNOR

No signal at MIC IN pin, with JIS-A Filter

-53

-47

dBV

REC output frequency

characteristics 1

FEQR1

ALC IN, VIN=-17dBV, The output level ratio at

f=11kHz/1kHz

-5

-3

-1

REC output frequency

characteristics 2

FEQR2

ALC IN, VIN=-17dBV, The output level ratio at

f=22kHz/1kHz

-18

-12

REC output frequency

characteristics 3

FEQR3

ALC IN, VIN=-17dBV, The output level ratio at

f=100kHz/1kHz

-55

-45

MIC output system

MIC voltage gain

VGMIC

VIN=-39dBV at MIC IN pin

MIC output THD

HDMIC

MIC IN, VIN=-39dBV, THD from to 5th harmonic

0.03

0.1

MIC IN maximum input level

VINMMX

MIC output THD=3%

-30

dBV

MIC VCC output DC voltage

VMIC

With 6.2k

Ω load

1.5

1.7

1.9

Package Dimensions

unit : mm (typ)

3428

SANYO : Micro10

3.0

0.25

0.16

0.5

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