LM4941SD/NOPB National Semiconductor, LM4941SD/NOPB Datasheet - Page 3

• Manufacturer Part Number: LM4941SD/NOPB
• Description: IC AMP AUDIO PWR 1.54W MONO 8LLP
• Manufacturer: National Semiconductor
• Series: Boomer®, PowerWise®r
• Type: Class ABr

Specifications of LM4941SD/NOPB

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 1.54W x 1 @ 8 Ohm
• Voltage - Supply: 2.4 V ~ 5.5 V
• Features: Depop, Differential Inputs, Shutdown, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 8-LLP
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono
• Output Power (typ): 1.54x1@8OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.04@8Ohm@0.7W%
• 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: 95dB
• Single Supply Voltage (min): 2.4V
• Single Supply Voltage (max): 5.5V
• 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: 8
• Package Type: LLP EP
• Amplifier Class: AB
• No. Of Channels: 1
• Output Power: 1.25W
• Supply Voltage Range: 2.4V To 5.5V
• Load Impedance: 8ohm
• Operating Temperature Range: -40°C To +85°C
• Amplifier Case Style: LLP
• Rohs Compliant: Yes
• For Use With: LM4941SDBD - BOARD EVALUATION LM4941
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4941SD; LM4941SDTR

I
I
P
THD+N
PSRR
CMRR
V
V
V
SNR
T
DD
SD
Symbol
WU
O
OS
SDIH
SDIL
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
Electrical Characteristics V
Quiescent Power Supply Current
Shutdown Current
Output Power
Total Harmonic Distortion + Noise
Power Supply Rejection Ratio
Common-Mode Rejection Ratio
Output Offset Voltage
Shutdown Voltage Input High
Shutdown Voltage Input Low
Signal-to-Noise Ratio
Wake-up Time from Shutdown
Parameter
−0.3V to V
−65°C to +150°C
Internally Limited
DD
V
V
V
THD+N = 1% (max); f = 1 kHz
THD+N = 10% (max); f = 1 kHz
P
V
f = 217Hz, V
f = 20Hz–20kHz , V
V
P
C
(Notes 1, 2)
IN
IN
SHDN
O
RIPPLE
IN
O
BYPASS
R
R
= 5V
= 0.7 W; f = 1kHz
= 1W, f = 1kHz
DD
= 0V, no load
= 0V, R
= 0V
f = 217Hz (Note 9)
f = 1kHz (Note 9)
L
L
2000V
= 8Ω
= 8Ω
150°C
+0.3V
= GND
200V
= 200mV
6.0V
= 1μF
L
Conditions
(Notes 1, 2)
CM
= 8Ω
= 200mV
3
P-P
CM
Sine
Temperature Range
Supply Voltage
Thermal Resistance
θ
θ
Soldering Information
See AN-1187
Operating Ratings
= 200mV
T
JA
JA
MIN
P-P
(TM)
(LLP)
≤
Sine
T
A
pp
≤
T
MAX
(Note 6)
Typical
1.25
1.54
0.04
108
1.7
1.7
0.1
95
90
70
70
12
2
LM4941
(Notes 7, 8)
Limit
1.15
2.3
0.8
1.4
0.4
80
6
−40°C
2.4V
≤
≤
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V
T
DD
mA (max)
mV (max)
µA (max)
100°C/W
dB (min)
A
(Limits)
W (min)
V (max)
V (min)
71°C/W
Units
≤
≤
mA
ms
dB
dB
dB
dB
W
%
85°C
5.5V