LMC1982 datasheet(2/14 Pages) NSC

2 / 14 page

Absolute Maximum Ratings (Notes 1, 2)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Supply Voltage (V

+ − GND)

15V

Voltage at any Pin

GND − 0.2V to V

+ +

0.2V

Input Current at any Pin (Note 3)

5 mA

Package Input Current (Note 3)

20 mA

Power Dissipation (Note 4)

500 mW

Junction Temperature

+125˚C

Storage Temperature

−65˚C to +150˚C

Lead Temperature

N Package,

(Soldering, 10 Seconds)

+260˚C

V Package,

(Vapor Phase, 60 Seconds)

215˚C

Infrared, (15 Seconds)

220˚C

ESD Susceptability (Note 5)

2 kV

Operating Ratings(Notes 1, 2)

Temperature Range

MIN ≤ TA ≤ TMAX

LMC1982CIN, LMC1982CIV

−40˚C

≤ T

A ≤ +85˚C

Supply Voltage Range (V

+ −V−)

6Vto12V

Electrical Characteristics

The following specifications apply for V

+ = 9V, f

IN = 1 kHz, input signal (300 mV) applied to INPUT 1, volume = 0 dB, bass =

0 dB, treble = 0 dB, enhanced stereo is off, and loudness is off unlessotherwise specified. All limits apply for T

A = TJ = +25˚C.

Symbol

Parameter

Conditions

Typical

Limit

Unit

(Note 6)

(Note 7)

(Limit)

Supply Current

mA (max)

Input Voltage

Clipping Level (1,.0% THD),

2.3

2.0

rms (min)

Select Out (Pins 6, 23)

THD

Total Harmonic Distortion

Left and Right channels;

Output Pins 13, 16

IN = 0.3 Vrms;

0.008

0.1

% (max)

IN = 100 Hz, 1 kHz, 10 kHz

IN = 2.0 Vrms;

0.4

1.0

% (max)

IN = 100 Hz, 1 kHz

IN = 2.0 Vrms;

0.5

1.0

% (max)

IN = 10 kHz

IN = 0.5 Vrms; Bass and Treble

0.07

0.5

% (max)

Tone Controls Set at Maximum

IN = 0.3 Vrms; Volume

Attenuator at −20 dB, Bass and Treble

0.06

0.15

% (max)

Tone Controls Set at Maximum

DC Shifts

IN = 0.3 Vrms; Between Any

2.0

4.0

mV (max)

Two Adjacent Control Settings

IN = 0.3 Vrms;

mV (max)

All Mode and Input Positions

OUT

AC Output Impedance

Pins 6, 23, (470

Ω to Ground at Input)

150

200

Ω (max)

Pins 13, 16

Ω (max)

AC Input Impedance

Pins 4, 5, 24, 25

Ω (max)

Ω (min)

Volume Attenuator Range

Pins 13, 16; Volume

0.5

1.5

dB (max)

Attenuation at 0100010XXX000000 (0 dB)

0100010XXX101XXX (80 dB);

dB (min)

(Relative to Attenuation at

dB (max)

the 0 dB Setting)

Volume Step Size

All Volume Attenuation Settings

from 0100010XXX101XXX (80 dB) to

2.0

1.5

dB (min)

0100010XXX000000 (0 dB) (Note 9)

2.5

dB (min)

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