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 (Note 10)

6.0V

Storage Temperature

−65˚C to +150˚C

Input Voltage

−0.3V to V

Power Dissipation (Notes 3, 11)

Internally Limited

ESD Susceptibility (Note 4)

2000V

ESD Susceptibility (Note 5)

200V

Junction Temperature

150˚C

Thermal Resistance

θ

56˚C/W

θ

190˚C/W

Operating Ratings

Temperature Range

T

MIN

≤ T

A

≤ T

MAX

−40˚C

≤ T

A

≤ 85˚C

Supply Voltage

2.0V

≤ V

DD

≤ 5.5V

Electrical Characteristics V

(Notes 1, 2)

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

Symbol

Parameter

Conditions

LM4903

Units

(Limits)

Typical

Limit

(Note 6)

(Notes 7, 8)

I

DD

Quiescent Power Supply Current

V

3

7

mA (max)

V

Ω Load

4

10

mA (max)

I

SD

Shutdown Current

V

0.8

2.0

µA (max)

V

SDIH

Shutdown Voltage Input High

1.5

V (min)

V

SDIL

Shutdown Voltage Input Low

1.3

V (max)

V

OS

Output Offset Voltage

7

50

mV (max)

R

OUT

Resistor Output to GND (Note 9)

8.5

9.7

k

Ω (max)

7.0

k

Ω (min)

P

o

Output Power

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

1.07

0.9

W

T

WU

Wake-up time

100

mS (max)

THD+N

Total Harmonic Distortion+Noise

P

0.2

%

PSRR

Power Supply Rejection Ratio

V

Input terminated with 10

Ω

60 (f =

217Hz)

64 (f = 1kHz)

55

dB (min)

Electrical Characteristics V

(Notes 1, 2)

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

Symbol

Parameter

Conditions

LM4903

Units

(Limits)

Typical

Limit

(Note 6)

(Notes 7, 8)

I

DD

Quiescent Power Supply Current

V

2

7

mA (max)

V

Ω Load

3

9

mA (max)

I

SD

Shutdown Current

V

0.1

2.0

µA (max)

V

SDIH

Shutdown Voltage Input High

1.3

V (min)

V

SDIL

Shutdown Voltage Input Low

1.0

V (max)

V

OS

Output Offset Voltage

7

50

mV (max)

R

OUT

Resistor Output to GND (Note 9)

8.5

9.7

k

Ω (max)

7.0

k

Ω (min)

P

o

Output Power (8

Ω)

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

390

mW

(4

Ω)

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

525

T

WU

Wake-up time

75

mS (max)

THD+N

Total Harmonic Distortion+Noise

P

0.1

%

PSRR

Power Supply Rejection Ratio

V

Input terminated with 10

Ω

70 (f =

217Hz)

65 (f = 1kHz)

55

dB (min)

www.national.com

3