LM4830 National Semiconductor, LM4830 Datasheet - Page 3

• Manufacturer Part Number: LM4830
• Description: Two-Way Audio Amplification System with Volume Control
• Manufacturer: National Semiconductor

Symbol
POWER AMPLIFIER, A1
I
I
V
e
P
THD
R
DIGITAL INPUTS
V
V
PREAMP, A2
R
V
e
THD
DD
SD
The following specifications apply for V
IN
IN
OS
O
IN
IH
IL
IN
OS
Electrical Characteristics
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
Soldering Information
Small Outline Package
Vapor Phase (60 sec.)
Quiescent Power Supply Current
Shutdown Current
Output Offset Voltage
Input Noise
Output Power, Bridged
Total Harmonic Distortion
Attenuation Step Size Error
Absolute Attenuation
Power Amp Input Resistance
High Input Voltage
Low Input Voltage
Mic1 and Mic2 Input Resistance
Output Offset Voltage
Input Noise
Total Harmonic Distortion
Parameter
DD
−0.3V to V
= 5V, unless otherwise specified. Limits apply for T
(Notes 1, 2)
−65˚C to +150˚C
Internally Limited
V
Bridged R
HS = 5V, SD = 0V, V
HS = 5V, SD = 5V, IC Off
V
IHF-A Weighting Filter, R
THD = 1% (max); f = 1 kHz, R
THD+N = 10%; f = 1 kHz, R
THD+N = 10%; f = 1 kHz, R
f = 1 kHz, Attenuation
0 dB to −30 dB
Attenuation
Attenuation
CMOS Compatible Only
CMOS Compatible Only
V
IHF-A Weighting Filter, R
A
A
32
(Refer to Figure 2 )
O
IN
IN
VCL
VCL
(Note 2)
Single-Ended Output, V
P
V
Bridged Output, V
P
= 0V, I
O
O
O1
= 0V
= 0V
DD
= 100, V
= −1, P
= 1.5W, R
= 1W, R
On Only, V
+ 0.3V
2000V
150˚C
215˚C
L
250V
O
6.0V
= 8
@
@
= 0A, R
O
L
0 dB
−30 dB
IN
= 50 mW, f = 1 kHz, R
L
= 8
= 10 mVrms, f = 1 kHz
Conditions
3
O
= 4
= 60 mV, R
O1
L
O1
Operating Ratings
Temperature Range
Supply Voltage
See AN-450 “Surface Mounting and their Effects on
Product Reliability” for other methods of soldering surface
mount devices.
=
–V
@
JC
JA
JC
JA
T
On Only
S
S
0 dB
O2
MIN
(typ) — M24B
(typ) — N24A
O1
(typ) — M24B
(typ) — N24A
Infrared (15 sec.)
= 25
= 25
, R
, R
L
L
= 8
= 4
L
L
L
T
L
= 8
A
= 8
= 32
= 32
T
MAX
L
=
A
= 25˚C.
(Note 6)
Typical
11.0
11.4
1.15
0.06
±
±
±
21.5
0.06
0.02
7.9
0.5
0.7
1.4
0.2
0.2
2.0
1.3
30
16
40
0.5
0.5
1.0
2
LM4830
(Note 7)
Limit
−40˚C
20.0
2.7V
50.0
10.0
5.8
2.0
1.0
4.5
0.5
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V
T
DD
mA (max)
mV (max)
A
mA (min)
µA (max)
µV (max)
(Limits)
W (min)
32˚C/W
79˚C/W
21˚C/W
61˚C/W
Units
220˚C
mA
mA
mV
µV
µV
dB
dB
dB
k
k
W
W
%
%
%
%
85˚C
5.5V
V
V