lm48557tlx National Semiconductor Corporation, lm48557tlx Datasheet - Page 5

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lm48557tlx

Manufacturer Part Number
lm48557tlx
Description
Mono, Bridge-tied Load, Ceramic Speaker Driver With I2c Volume Control And Reset
Manufacturer
National Semiconductor Corporation
Datasheet
Symbol
V
I
I
I
|V
V
V
A
A
R
V
V
THD+N
2
DD
SD
DD
CV
IH
IL
V
V(MUTE)
IN
O
IN
OS
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics V
The following specifications apply for A
Limits apply for T
Supply Voltage (Note 1)
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Rating-Human Body Model
ESD Rating-Machine Model
Junction Temperature
|
DD
(Note 4)
(Note 5)
Supply Voltage Range
I
Quiescent Power Supply
Current
Shutdown Current
Differential Output Offset
Voltage
Logic High Input Threshold
Logic Low Input Threshold
Gain
Mute Attenuation
Input Resistance
Common Mode Input Voltage
Range
Output Voltage
Total Harmonic Distortion +
Noise
2
C Supply Voltage Range
A
= 25°C.
Parameter
V
−0.3V to V
= 6dB, R
−65°C to +150°C
Internally Limited
V
Shutdown Enabled
V
V
RESET, V
RESET, V
Minimum Gain Setting
Volume Control = 000001
Maximum Gain Setting
Volume Control = 111111
Volume Control = 000000
R
f = 1kHz
f = 5kHz
R
f = 1kHz
f = 5kHz
V
IN
IN
IN
O
L
L
DD
= 1µF + 22Ω, THD+N = 1%
= 2.2µF + 10Ω, THD+N = 1%
= 4V
= 0V, R
= 0V, A
= 0V, A
(Notes 1, 2)
L
DD
= 4.2V
= 1µF + 22Ω, C1 = 2.2µF, C2 = 2.2µF, f = 1kHz, unless otherwise specified.
RMS
150°C
5.25V
+0.3V
DD
DD
150V
L
V
V
, f = 1kHz, A
2kV
=
= 0dB
= 48dB
= 2.7V to 4.5V
= 2.7V to 4.5V
Conditions
(Notes 1, 2)
5
V
Operating Ratings
Thermal Resistance
 θ
Soldering Information
See AN-1112 "Micro SMD Wafer Level Chip Scale
Package."
Temperature Range
T
Supply Voltage
= 48dB
MIN
PV
I
2
JA
CV
DD
(typ) - (TLA1611A)
DD
T
and SV
A
T
MAX
DD
(Note 7)
-25.5
15.6
Min
2.7
1.7
1.4
5.5
47
-1
1
LM48557
(Note 6)
0.01
16.4
0.05
Typ
–90
-25
5.8
4.0
5.6
2.9
40
48
5
3
3
1.7V
−40°C
2.7V
(Note 7)
-24.5
Max
160
4.5
4.5
0.4
12
49
I
8
1
1
2
CV
V
T
www.national.com
A
DD
DD
63°C/W
+85°C
Units
4.5V
4.5V
V
V
V
V
V
V
MΩ
mA
mV
mV
µA
dB
dB
dB
RMS
RMS
RMS
RMS
%
V
V
V
V
P-P
P-P

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