ML22Q623 datasheet(12/118 Pages) ROHM

12 / 118 page

FEDL22Q62X-02

ML22Q62X

● Analog Part Characteristics

SPVDD

≥DV

DD=IOVDD=2.7 to 5.5V, DGND=SPGND=0V, Ta=-40 to +70°C, Load capacitance of output pin =15pF(max.)

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

RC4MHz clock frequency

Frc

Ta=-40 to +70°C

3.89

4.096

4.31

MHz

AIN pin input resistance

RAIN

Input gain 0dB

kΩ

AIN pin input voltage range

VAIN

—

SPVDD×2/3

Vp-p

Line amplifier output

resistance1

RLA1

SPVDD = 3.3 to 5.5V

When 1/2SPVDD ± 1 mA is

applied

—

100

Ω

Line amplifier output

resistance2

RLA2

SPVDD = 2.7 to 3.6V

When 1/2SPVDD ± 1 mA is

applied

—

300

Ω

Line amplifier

output-load-resistance

RLA

For SPGND

—

kΩ

Line amplifier Out put Voltage

Range

VAO

No output load

SPVDD /6

—

SPVDD×5/6

SG pin output voltage

VSG

—

0.95x

SPVDD /2

1.05x

SPVDD /2

SG pin output resistance

RSG

—

135

kΩ

SPP/SPM pins Output-Load

Resistance

RLSP1

—

Ω

To the SPP and SPM pins

Short circuit detection

ROCDAB

Class AB speaker amplifier

4.5V

≤SPVDD≤5.5V

0.1

—

Ω

ROCDD

Class D speaker amplifier

4.5V

≤SPVDD≤5.5V

0.1

—

Ω

Speaker amplifier output power

PSPO1

SPVDD =5.0V,

f=1kHz RSPO

=8Ω,

THD=10%

0.8

—

Speaker amplifier output power

PSPO2

SPVDD =3.0V,

f=1kHz RSPO

=8Ω,

THD=10%

0.1

0.3

—

During no-signal SPM-SPP

Output offset voltage

VOF

AVOL=0dB

8 Ω load

-50

—

*1 Applies to the SPP when outputting LINE.

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