Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Supply Voltage

3.8V

Storage Temperature

−65˚C to +150˚C

Input Voltage

−0.3V to V

Power Dissipation (Note 2)

Internally limited

ESD Susceptibility(Note 3)

2000V

ESD Susceptibility (Note 4)

200V

Junction Temperature

150˚C

Solder Information

Small Outline Package Vapor

Phase (60sec)

215˚C

Infrared (15 sec)

220˚C

See AN-450 “Surface Mounting and their Effects on

Product Reliablilty” for other methods of soldering

surface mount devices.

Thermal Resistance

θ

175˚C/W

θ

73˚C/W

Operating Ratings

Temperature Range

T

MIN

≤ T

A

≤ T

MAX

−40˚C

≤ T

A

≤ +85˚C

Supply Voltage

1.5V

≤ V

DD

≤ 3.6V

Electrical Characteristics V

The following specifications apply for the circuit shown in Figure 2 for Single Ended Outputs (A

for BTL Outputs (A

Symbol

Parameter

Conditions

LM4925

Units

(Limits)

Typical

Limit

(Note 6)

(Note 7)

I

DD

Quiescent Power Supply Current

V

1.0

1.6

mA (max)

I

SD

Shutdown Current

V

0.1

1

µA (max)

V

OS

Output Offset Voltage

2

10

mV (max)

P

O

Output Power (Note 9)

R

Ω, BTL, Fig. 3,

THD+N = 1%, f = 1kHz

410

350

mW (min)

R

Ω, Fig. 2, SE per Channel,

THD+N = 1%, f = 1kHz

40

30

mW (min)

THD+N

Total Harmonic Distortion + Noise

R

Ω, BTL, P

Fig. 3, f = 1kHz

0.1

0.5

% (max)

R

Ω, SE, P

Fig.2, f = 1kHz

0.05

V

NO

Output Voltage Noise

20Hz to 20kHz, A-weighted,

Input Referred,

Single Ended Output, Fig. 2

10

µV

RMS

Crosstalk

R

Ω, Fig. 2

58

dB

PSRR

Power Supply Rejection Ratio

V

C

Ω

f = 100Hz, BTL, Fig. 3

70

dB

V

C

Ω

f = 100Hz, SE, Fig. 2

68

dB

V

IH

Control Logic High

1.5V

≤ V

DD

≤ 3.6V

0.7V

DD

V (min)

V

IL

Control Logic Low

1.5V

≤ V

DD

≤ 3.6V

0.3V

DD

V (max)

Mute

Attenuation

1V

R

70

dB (min)

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