LM4841 datasheet(3/31 Pages) NSC

3 / 31 page

Absolute Maximum Ratings (Note 10)

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 11)

Internally limited

ESD Susceptibility (Note 12)

All pins except Pin 28

2500V

Pin 28

6500V

ESD Susceptibility (Note 13)

200V

Junction Temperature

150˚C

Soldering 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 Reliability” for other methods of soldering surface

mount devices.

JC (typ) — LQA028A

3˚C/W

JA (typ) — LQA028A

42˚C/W

JC (typ) — MTC28

20˚C/W

JA (typ) — MTC28

80˚C/W

JC (typ) — MXA28A

2˚C/W

JA (typ) — MXA28A (exposed

DAP) (Note 4)

41˚C/W

JA (typ) — MXA28A (exposed

DAP) (Note 3)

54˚C/W

JA (typ) — MXA28A (exposed

DAP) (Note 5)

59˚C/W

JA (typ) — MXA28A (exposed

DAP) (Note 6)

93˚C/W

Operating Ratings

Temperature Range

MIN

≤ T

≤T

MAX

−40˚C

≤TA ≤ 85˚C

Supply Voltage

2.7V

≤ V

≤ 5.5V

Electrical Characteristics for Entire IC (Notes 7, 10)

The following specifications apply for V

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

Symbol

Parameter

Conditions

LM4841

Units

(Limits)

Typical

(Note 14)

Limit

(Note 15)

Supply Voltage

2.7

V (min)

5.5

V (max)

Quiescent Power Supply Current

IN = 0V, IO = 0A

mA (max)

Shutdown Current

shutdown = GND

0.7

2.0

µA (max)

Headphone Sense High Input Voltage

V (min)

Headphone Sense Low Input Voltage

0.8

V (max)

Un-Mute Threshold Voltage

Gain 1st Stage = 1

shutdown =VDD

IN applied to A or B input

rms

Electrical Characteristics for Volume Attenuators (Notes 7, 10)

The following specifications apply for V

DD = 5V. Limits apply for TA = 25˚C.

Symbol

Parameter

Conditions

LM4841

Units

(Limits)

Typical

(Note 14)

Limit

(Note 15)

RANGE

Attenuator Range

Gain with V

DCVol = 5V, No Load

±0.75

dB (max)

Attenuation with V

DCVol = 0V (BM &

SE)

-75

dB (min)

Mute Attenuation

mute = 5V, Bridged Mode (BM)

-78

dB (min)

mute = 5V, Single-Ended Mode (SE)

-78

dB (min)

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