LM4954TLX National Semiconductor, LM4954TLX Datasheet - Page 3

• Manufacturer Part Number: LM4954TLX
• Manufacturer: National Semiconductor

Specifications of LM4954TLX

• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono
• Output Power (typ): 1.2x1@8OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.1@8Ohm@600mW%
• Single Supply Voltage (typ): 3/5V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 80dB
• Single Supply Voltage (min): 2.7V
• Single Supply Voltage (max): 9V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 9
• Package Type: uSMD
• Lead Free Status / RoHS Status: Not Compliant

I
I
V
P
THD+N
PSRR
V
V
T
∈
R
DD
SD
Symbol
WU
OS
o
SDIH
SDIL
OUT
PD
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 V
25˚C.
Supply Voltage (Note 1)
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
Quiescent Power Supply Current
Shutdown Current
Output Offset Voltage
Output Power (Note 11)
Total Harmonic Distortion + Noise
Power Supply Rejection Ratio
Shutdown High Input Voltage
Shutdown Low Input Voltage
Wake-up Time
Output Noise
Pull Down Resistor on Shutdown
Parameter
DD
−0.3V to V
= 7V, A
Internally Limited
−65˚C to +150˚C
DD
V
V
THD+N = 1% (max); f = 1kHz
THD+N = 10% (max); f = 1kHz
P
A
P
A
V
C
with 10Ω to GND
f
V
C
with 10Ω to ground
f
C
A-Wtg, A
Input terminated with 10Ω to GND,
Output Referred
A-Wtg, A
Input terminated with 10Ω to GND,
Output Referred
(Notes 1, 2)
Ripple
Ripple
IN
SD
O
V-BTL
O
V-BTL
Ripple
B
Ripple
B
B
V-BTL
= 7V
= 1Wrms; f = 1kHz
= 1Wrms; f = 1kHz
= 2.2µF, Input terminated
= 2.2µF, Input terminated
= 2.2µF
DD
= 0V, R
= GND (Note 9)
= 217Hz, Input Referred
= 1kHz, Input Referred
2000V
150˚C
+0.3V
= 6dB
= 26dB
= 200mVsine p-p,
= 200mVsine p-p,
200V
9.5V
= 6dB, and R
V-BTL
V-BTL
L
Conditions
(Notes 1, 2)
= 8Ω BTL
= 6dB
= 26dB
3
Operating Ratings
Thermal Resistance
Soldering Information
See AN-112 “microSMD Wafers
Level Chip Scale Package.”
Temperature Range
Supply Voltage
L
θ
T
= 8Ω unless otherwise specified. Limits apply for T
JA
MIN
(microSMD) (Note 10)
≤ T
A
≤ T
MAX
(Note 6)
Typical
0.01
130
100
2.4
3.0
0.1
0.4
10
71
71
20
75
3
LM4954
(Notes 1, 2)
(Notes 7, 8)
Limit
2.2
1.2
0.4
25
54
55
5
1
−40˚C ≤ T
2.7V ≤ V
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mA (max)
mV (max)
µA (max)
dB (min)
dB (min)
(Limits)
W (min)
V (max)
V (min)
180˚C/W
A
µV
µV
Units
DD
≤ 85˚C
ms
kΩ
W
%
%
RMS
RMS
A
≤ 9V
=