LN4890 查看數據表（PDF） - Unspecified

零件编号

产品描述 (功能)

生产厂家

LN4890

Low-Cost, Mono/Stereo, 1 W Differential Audio Power Amplifiers

Unspecified 

■ Electrical Characteristics

(VDD = 5V Unless otherwise specified. Limits apply for TA = 25°C.)

Parameter

Symbol

Condition

Min

Quiescent Power VIN = 0V, Io = 0A, No Load

—

IDD

Supply Current

VIN = 0V, Io = 0A, 8Ω Load

—

ISD

Shutdown Current

VSHUTDOWN = 0V

—

Shutdown Voltage

VSDIH

1.2

Input High

Shutdown Voltage

VSDIL

—

Input Low

VOS

Output Ofsett Voltage

—

Resistor Output

ROUT-GND

7.0

to GND

THD = 2% (max);

PO

Output Power ( 8Ω )

0.8

f = 1 kHz 8Ω Load

TWU

Wake-up time

—

Thermal Shutdown

TSD

150

Temperature

Total Harmonic

Po = 0.4 Wrms; f = 1kHz

THD+N

—

Distortion+Noise

Vripple = 200mV sine p-p

Power Supply

f=217Hz

PSRR

55

Rejection Ratio

Vripple = 200mV sine p-p

f=1kHz

TSDT

Shut Down Time

8Ω Load

—

LN4890

Typ

Max

Unit

4

8

mA

5

10

mA

0.1

2

μA

—

—

V

—

0.4

V

7

50

mV

8.5

9.7

kΩ

1.0

—

W

170

220

ms

170

190

℃

0.1

—

%

62

—

dB

66

1.0

—

ms

Rev.1.0 —Nov. 24, 2011

5

www.natlinear.com

Share Link: