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

Power Dissipation

Internally limited

ESD Susceptibility (Note 4)

2000V

Pin 5

1500V

ESD Susceptibility (Note 5)

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.

θ

29˚C/W

θ

95˚C/W

Operating Ratings

Temperature Range

T

−40˚C

≤TA ≤ 85˚C

Supply Voltage

4.5

≤ V

Electrical Characteristics for Entire IC

(Notes 1, 2)

The following specifications apply for V

Symbol

Parameter

Conditions

LM4834

Units

(Limits)

Typical

(Note 6)

Limit

(Note 7)

V

DD

Supply Voltage

4.5

V (min)

5.5

V (max)

I

DD

Quiescent Power Supply Current

V

17.5

26

mA (max)

I

SD

Shutdown Current

V

0.6

2.0

µA (max)

Electrical Characteristics for Volume Attenuators

(Notes 1, 2)

The following specifications apply for V

Symbol

Parameter

Conditions

LM4834

Units

(Limits)

Typical

(Note 6)

Limit

(Note 7)

C

RANGE

Attenuator Range

Gain with V

2.6

3.65

dB (max)

Attenuation with V

-75

-88

dB (min)

A

M

Mute Attenuation

V

-92

-105

dB (max)

V

Amp

-92

-105

dB (max)

Electrical Characteristics for Microphone Preamp and Power Supply

(Notes 1, 2)

The following specifications apply forV

Symbol

Parameter

Conditions

LM4834

Units

(Limits)

Typical

(Note 6)

Limit

(Note 7)

V

OS

Offset Voltage

V

0.9

mV

SNR

Signal to Noise Ratio

V

4.7V, A-Wtd Filter

123

dB

V

SWING

Output Voltage Swing

4.72

V

E

NO

Input Referred Noise

A-Weighted Filter

1.2

µV

PSRR

Power Supply Rejection Ratio

f = 120 Hz, V

C

28

dB

V

S

Mic Power Supply

R

2.5

2.5

V (min)

www.national.com

2