lm48555tlx National Semiconductor Corporation, lm48555tlx Datasheet - Page 3

• Manufacturer Part Number: lm48555tlx
• Description: Ceramic Speaker Driver
• Manufacturer: National Semiconductor Corporation

I
I
V
V
R
T
V
V
THD+N
ε
PSRR
I
V
CMRR
UVLO
R
DD
SD
SW
OS
WU
LH
LL
AMP
OUT
OS
PULLDOWN
DS(ON)
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
The following specifications apply for V
Figure 1), unless otherwise specified. Limits apply for T
Supply Voltage (V
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Symbol
Quiescent Power Supply Current
in Boosted Ringer Mode
Shutdown Current
Logic High Threshold Voltage
Logic Low Threshold Voltage
Pulldown Resistor on SD pin
Wake-up Time
Boost Converter Output Voltage
Output Voltage Swing
Total Harmonic Distortion + Noise
Output Noise
Power Supply Rejection Ratio
Switch Current Limit
Output Offset Voltage
Common Mode Rejection Ratio
Under-Voltage Lock Out
Switch ON resistance
DD
)
Parameter
DD
−0.3V to V
= 3.2V and the conditions shown in “Typical Audio Amplifier Application Circuit” (see
−65°C to +150°C
Internally limited
(Notes 1, 2)
(Notes 1, 2)
DD
+ 0.3V
2000V
200V
9.5V
V
V
V
V
SD = GND (Note 9)
CSS = 0.1μF
Voltage on
V
THD = 1% (max); f = 1kHz
V
A-Weighted Filter, V
V
A
Input referred
A
IN
DD
DD
DD
AMP
OUT
RIPPLE
V
= 25°C.
= 20dB
= 0V, No Load
= 5.0V
= 3.6V
= 3.2V
= 14V
Pin
= 200mV
3
P-P
Conditions
Operating Ratings
Junction Temperature
Thermal Resistance
θ
Temperature Range
Supply Voltage (V
, f = 1kHz
T
p-p
JA
MIN
, f = 217Hz,
(Note 10)
IN
≤
= 0V
T
A
≤
T
MAX
DD
(Note 10)
)
(Note 6)
Typical
15.7
0.05
100
7.5
0.1
0.5
2.5
0.3
10
12
80
70
80
70
8
2
LM48555
(Notes 7, 8)
−40°C
Limit
2.7V
1.2
0.4
8.5
7.5
0.5
4.5
2.6
15
53
15
72
65
1
≤
≤
T
V
www.national.com
A
DD
114°C/W
≤
mA (max)
V
mV (max)
µA (max)
kΩ (min)
dB (min)
dB (min)
(Limits)
% (max)
V (max)
V (max)
V (max)
≤
V (min)
V (min)
P-P
150°C
+85°C
Units
6.5V
mA
mA
ms
µV
Ω
A
(min)