-4-

Ω, ACF-Off (

Class D) mode, unless otherwise specified.

Item

Symbol

Conditions

Min.

Typ.

Max.

Unit

Output Power

Ω

f=1kHz,

THD+N=1%

3.80

W

Ω

5.30

Ω

f=1kHz,

THD+N=10%

4.70

Ω

6.40

Total Harmonic Distortion

plus Noise (BW: 20kHz)

THD+N

0.10

%

Output Noise

f=20Hz~20kHz, A加权, Av=24.5dB

83

Signal /Noise Ratio

SNR

A加权, Av=24.5dB,THD+N = 1%

95

dB

Power Supply Rejection

ratio

PSRR

f=1kHz

-70

dB

Efficiency

η

Ω+22uH, THD+N = 1%

81

%

=8Ω+33uH, THD+N = 1%

91

%

Output Offset Voltage

±7.5

mV

System Gain

Ω

24.5

dB

ACF maximum attenuation

gain

Aa

ACF-ON (Class D)

-10

0

dB

Ω, ACF-Off (

Class AB) mode, unless otherwise specified.

Item

Symbol

Conditions

Min.

Typ.

Max.

Unit

Output Power

Ω

f=1kHz,

THD+N=1%

3.70

W

Ω(6V)

3.92

Ω

f=1kHz,

THD+N=10%

4.50

Ω (6V)

5.20

Total Harmonic Distortion

plus Noise (BW: 20kHz)

THD+N

0.06

%

Output Noise

f=20Hz~20kHz, A加权, Av=24.5dB

110

Signal /Noise Ratio

SNR

A加权, Av=24.5dB,THD+N = 1%

90

dB

Efficiency

η

Ω+22uH, THD+N = 1%

66

%

=8Ω+33uH, THD+N = 1%

69

%

Output Offset Voltage

±6

mV

System Gain

Ω

24

dB

*6

All the values of analog characteristics were obtained by using our evaluation circumstance; Depending upon parts and

pattern layout to use, characteristics may be changed.

For AB ,6V 2

Ω load is SOP8-PP package.



℃~85℃, unless otherwise specified.

Item

Symbol

Conditions

Min.

Typ.

Max.

Unit

Start-up time (or wake up from shutdown

mode, or switch between Class AB and D)

100

ms

ACF Attack time

72

ms

ACF Release time

720

ms

Each mode setting time (Except shutdown

nor switch between Class AB and D)

0.1

ms

Carrier clock frequency

488

KHz

HM8881

Audio Amplifier