LM4927 datasheet(3/14 Pages) NSC

3 / 14 page

Absolute Maximum Ratings (Note 2)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Supply Voltage

6.0V

Storage Temperature

−65˚C to +150˚C

Input Voltage

−0.3V to V

DD +0.3V

Power Dissipation (Note 3)

Internally Limited

ESD Susceptibility (Note 4)

2000V

ESD Susceptibility (Note 5)

200V

Junction Temperature

150˚C

Thermal Resistance

JA (SD)

63˚C/W

Soldering Information

See AN-1187

Operating Ratings

Temperature Range

MIN

≤ T

MAX

−40˚C

≤ T

≤ 85˚C

Supply Voltage

2.4V

≤ V

≤ 5.5V

Electrical Characteristics V

DD =5V (Notes 1, 2)

The following specifications apply for V

DD = 5V, AV = 1, and 8

Ω load unless otherwise specified. Limits apply for T

A = 25˚C.

Symbol

Parameter

Conditions

LM4927

Units

(Limits)

Typical

Limit

(Note 6)

(Note 7)

Quiescent Power Supply Current

IN = 0V, no load

IN = 0V, RL =8

Ω

2.2

4.5

mA (max)

Shutdown Current

SHUTDOWN = GND

0.1

µA (max)

Output Power

THD = 1% (max);f=1kHz

L =4

Ω

L =8

Ω

2.1

1.30

1.20

W (min)

THD = 10% (max);f=1kHz

L =4

Ω

L =8

Ω

2.5

1.6

THD+N

Total Harmonic Distortion+Noise

o = 1 Wrms; f = 1kHz

0.03

PSRR

Power Supply Rejection Ratio

ripple = 200mV sine p-p

f = 217Hz (Note 8)

dB (min)

f = 1kHz (Note 8)

CMRR

Common-Mode Rejection Ratio

f = 217Hz, V

CM = 200mVpp

Output Offset

IN =0V

SDIH

Shutdown Voltage Input High

1.4

V (min)

SDIL

Shutdown Voltage Input Low

0.4

V (max)

SNR

Signal-to-noise ratio

O = 1W, f = 1kHz

110

Internal Feedback Resistance

i = 40k

Ω

Ω (min)

Ω (max)

Gain

i = 40k

Ω

–0.68

1.4

dB (min)

dB (max)

Wake-up time from Shutdown

Cbypass = 1µF