LA4800 datasheet(2/11 Pages) SANYO

Part #	LA4800

Description	3 V Stereo Headphone Power Amplifier

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Manufacturer	SANYO [Sanyo Semicon Device]

Direct Link	https://www.sanyo-av.com/us/

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Operating Characteristics at Ta = 25°C, V

CC = 2.5 V, RL =16 Ω,f=1kHz unless otherwise noted.

Values in parentheses indicate V

CC = 3.0 V

Parameter

Symbol

Conditions

min

typ

max

Unit

Quiescent supply current

ICCO1

IC OFF

0.05

1.0

µA

ICCO2

Mute ON

1.6

(1.65)

3.0

mA

ICCO3

No input signal

6.2

(6.8)

9.0

mA

Voltage gain

VG

VO = –10 dBm

10.3

11.8

13.3

dB

Channel balance

VRL

VO = –10 dBm

–1

0

1

dB

Output power

PO

VCC = 3.0 V, THD = 10%

15

25

mW

Total harmonic distortion

THD

VO = 0.35 V

0.075

0.2

%

Output noise voltage

VNO

Rg=1k

Ω, DIN AUDIO

7.8

15

µV

Crosstalk

CT

f = 1 kHz, TUN, VO = –10 dBm

35

45

dB

Ripple rejection

R.R

VCC = 1.7 V, f = 100 Hz, VCR = –20 dBm,

TUN = 100 Hz

65

76

dB

Mute attenuation

VOFF

THD = 1%

–80

–96

dB

Beep tone output voltage

VO BEEP

VI = –13.5 dBm (sine wave)

1.5

3.0

mV

Output DC offset voltage

VDC OFF

VI =0V,Rg=1kΩ

–20

0

20

mV

Power ON current sensitivity

l1ON

VCC = 1.7 V, V5 ^ 1.0 V

50

60

µA

Power OFF voltage sensitivity

V1 OFF

VCC = 1.7 V, V5 % 0.1 V

0.5

0.6

V

Mute OFF current sensitivity

l16 OFF

VCC = 1.7 V, V5 ^ 1.0 V

4.5

6.0

µA

Mute OFF voltage sensitivity

V16 OFF

VCC = 1.7 V

1.0

1.25

1.5

V

Mute ON voltage sensitivity

V16 ON

VCC = 1.7 V

0.9

1.0

V

Ambient temperature, Ta − °C

LA4800V

No.4335-2/11

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