HM4990

4

ELECTRICAL CHARACTERISTICS

VDD=5V.

The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for

TA=25°C.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

Quiescent current

VIN=0V, IO=0A, No Load

2.5

5

mA

VIN=0V, IO=0A, 8Ω Load

3

7

mA

Shutdown current

0.1

2.0

μA

Output offset voltage

7

50

mV

SD pin HIGH input voltage

1.5

V

SD pin LOW input voltage

0.5

V

Resistor output to GND

16

kΩ

Output power (8Ω)

THD+N=1%，f=1KHz

0.9

1.25

W

Wake-up time

CB=1uF

130

ms

THD+N

Total Harmonic Distortion+Noise

PO = 0.5Wrms; f=1KHz

0.2

%

PSRR

Power Supply Rejection Ratio

Input grounded, f=217HZ

55

66

dB

Input grounded, f=1KHZ

55

76

VDD=3V.

The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for

TA=25°C.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

Quiescent current

1.6

4

mA

2

5

mA

Shutdown current

0.1

2.0

μA

Output offset voltage

7

50

mV

SD pin HIGH input voltage

1.3

V

SD pin LOW input voltage

0.4

V

Resistor output to GND

16

KΩ

Output power (8Ω)

THD+N=1%， f=1KHz

425

mW

Wake-up time

130

ms

THD+N

Total Harmonic Distortion+Noise

0.16

%

PSRR

Power Supply Rejection Ratio

Input grounded, f=217Hz

55

66

dB

Input grounded, f=1KHz

55

76