LMC1982 Datasheet, PDF (2/14 Pages) National Semiconductor (TI) – Digitally-Controlled Stereo Tone and Volume Circuit with Two Selectable Stereo Inputs

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)
Voltage at any Pin
Input Current at any Pin (Note 3)
Package Input Current (Note 3)
Power Dissipation (Note 4)
Junction Temperature
Storage Temperature
Lead Temperature
15V
GND − 0.2V to V⁺ +
0.2V
5 mA
20 mA
500 mW
+125˚C
−65˚C to +150˚C
N Package,
(Soldering, 10 Seconds)
V Package,
(Vapor Phase, 60 Seconds)
Infrared, (15 Seconds)
ESD Susceptability (Note 5)
+260˚C
215˚C
220˚C
2 kV
Operating Ratings(Notes 1, 2)
Temperature Range
LMC1982CIN, LMC1982CIV
Supply Voltage Range (V⁺ − V^−)
T_MIN ≤ T_A ≤ T_MAX
−40˚C ≤ T_A ≤ +85˚C
6V to 12V
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 = T_J = +25˚C.
Symbol
Parameter
Conditions
Typical
Limit
Unit
(Note 6) (Note 7)
(Limit)
I_S
Supply Current
V_IN
Input Voltage
Clipping Level (1,.0% THD),
Select Out (Pins 6, 23)
15
25
mA (max)
2.3
2.0
V_rms (min)
THD Total Harmonic Distortion
Left and Right channels;
Output Pins 13, 16
V_IN = 0.3 V_rms;
f_IN = 100 Hz, 1 kHz, 10 kHz
V_IN = 2.0 V_rms;
f_IN = 100 Hz, 1 kHz
V_IN = 2.0 V_rms;
f_IN = 10 kHz
V_IN = 0.5 V_rms; Bass and Treble
Tone Controls Set at Maximum
0.008
0.1
% (max)
0.4
1.0
% (max)
0.5
1.0
% (max)
0.07
0.5
% (max)
V_IN = 0.3 V_rms; Volume
Attenuator at −20 dB, Bass and Treble
0.06
0.15
% (max)
Tone Controls Set at Maximum
DC Shifts
V_IN = 0.3 V_rms; Between Any
Two Adjacent Control Settings
2.0
4.0
mV (max)
V_IN = 0.3 V_rms;
All Mode and Input Positions
18
20
mV (max)
R_OUT AC Output Impedance
Pins 6, 23, (470Ω to Ground at Input)
Pins 13, 16
150
200
Ω (max)
26
40
Ω (max)
R_IN
AC Input Impedance
Pins 4, 5, 24, 25
50
72
kΩ (max)
35
kΩ (min)
Volume Attenuator Range
Pins 13, 16; Volume
0.5
1.5
dB (max)
Attenuation at 0100010XXX000000 (0 dB)
0100010XXX101XXX (80 dB);
80
78
dB (min)
(Relative to Attenuation at
82
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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