LM4801 datasheet(3/20 Pages) NSC

3 / 20 page

Absolute Maximum Ratings

Stereo Amplifier(Notes 1, 5)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Amplifier Supply Voltage (pins 5, 24)

6.0V

LDO-V

CC, LDO-OUT, LDO-SHDN,

ADJ, CC, FAULT (pins 11-15, 17,19)

−0.3V to 6.5V

Fault Sink Current

20mA

Storage Temperature

−65˚C to +150˚C

Input Voltage

−0.3V to V

DD +0.3V

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 (60 sec.)

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

JC (typ) — MXA28A

20˚C/W

JA (typ) — MXA28A (Note 2)

41˚C/W

Operating Ratings

Temperature Range

MIN

≤ T

MAX

−40˚C

≤ T

≤ 85˚C

Supply Voltage

Pins 5, 24

3.0V

≤ V

≤ 5.5V

Pin 17

2.5V

≤ V

≤ 6.0V

Stereo Amplifier Electrical Characteristics for Entire IC (Notes 1, 5)

The following specifications apply for V

DD = 5V unless otherwise noted. Limits apply for TA = 25˚C.

Symbol

Parameter

Conditions

LM4801

Units

(Limits)

Typical

Limit

(Note 6)

(Note 7)

Supply Voltage

V (min)

5.5

V (max)

Quiescent Power Supply Current

IN = 0V, IO = 0A (Note 8)

3.5

mA (max)

mA (min)

Shutdown Current

DD applied to the SHUTDOWN pin

0.07

µA (min)

Output Offset Voltage

IN = 0V

mV (max)

Output Power (Note 13)

THD+N = 1%, f = 1kHz, R

L =8

Ω

1.1

1.0

W (min)

THD+N = 10%, f = 1kHz, R

L =8

Ω

1.5

THD+N

Total Harmonic Distortion+Noise

20Hz

≤ f ≤ 20kHz, A

VD =2

L =8

Ω,P

O =1W

0.13

PSRR

Power Supply Rejection Ratio

DD = 5V, VRIPPLE = 200mVRMS,

L =8

Ω,C

B = 1.0µF

Inputs Floating

Inputs terminated with 10

Ω

TALK

Channel Separation

f = 1kHz, C

B = 1.0µF

SNR

Signal To Noise Ratio

DD = 5V, PO = 1W, RL =8

Ω

LDO Electrical Characteristics

Unless otherwise specified, all limits guaranteed for V

IN =VO +0.5V (Note 10), VSHDN =VIN,CIN =COUT = 2.2µF, CCC = 33nF,

J = 25˚C. Boldface limits apply for the operating temperature extremes: −40˚C and 85˚C.

Symbol

Parameter

Conditions

Min

(Note 7)

Typ

(Note 6)

Max

(Note 7)

Units

Input Voltage

2.5

6.0

∆V

Output Voltage Tolerance

100µA

≤ I

OUT

≤ 300mA

IN =VO + 0.5V (Note 7)

SET = OUT

-2

%of

OUT (NOM)

-3

Output Adjust Range

1.25

Maximum Output Current

Average DC Current Rating

300

LIMIT

Output Current Limit

330

770

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