lm4891mm National Semiconductor Corporation, lm4891mm Datasheet - Page 3

• Manufacturer Part Number: lm4891mm
• Description: 1 Watt Audio Power Amplifier
• Manufacturer: National Semiconductor Corporation

I
I
P
THD+N
PSRR
I
I
P
THD+N
PSRR
I
I
DD
SD
DD
SD
DD
SD
Symbol
Symbol
Symbol
o
o
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
Electrical Characteristics V
The following specifications apply for V
Electrical Characteristics V
The following specifications apply for V
25˚C.
Supply Voltage (Note 11)
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
Thermal Resistance
θ
θ
θ
JC
JA
JA
(SOP)
(SOP)
(micro SMD)
Quiescent Power Supply Current
Shutdown Current
Output Power
Total Harmonic Distortion+Noise
Power Supply Rejection Ratio
Quiescent Power Supply Current
Shutdown Current
Output Power
Total Harmonic Distortion+Noise
Power Supply Rejection Ratio
Quiescent Power Supply Current
Shutdown Current
Parameter
Parameter
Parameter
DD
DD
DD
−0.3V to V
= 5V, A
= 3.3V, A
= 2.6V, A
Internally Limited
−65˚C to +150˚C
DD
DD
DD
V
V
THD = 2% (max); f = 1 kHz
P
V
V
V
THD = 1% (max); f = 1kHz
P
V
V
V
(Note 2)
IN
shutdown
o
ripple
IN
shutdown
o
ripple
IN
shutdown
V
= 0.4 Wrms; f = 1kHz
= 0.15Wrms; f = 1kHz
= 5V
= 3.3V
= 2.6V
DD
= 0V, I
= 0V, I
= 0V, I
150˚C/W
220˚C/W
= 2, and 8Ω load unless otherwise specified. Limits apply for T
V
V
35˚C/W
= 200mV sine p-p
= 200mV sine p-p
2000V
150˚C
= 2, and 8Ω load unless otherwise specified. Limits apply for T
= 2, and 8Ω Load unless otherwise specified. Limits apply for T
+0.3V
250V
6.0V
= V
= V
= V
o
o
o
Conditions
Conditions
Conditions
= 0A
= 0A
= 0A
(Notes 1, 2, 8)
DD
DD
DD
(Notes 1, 2, 8)
(Notes 1, 2, 8)
3
Operating Ratings
Soldering Information
See AN-1112 "microSMD Wafers Level Chip Scale
Package".
See AN-1187 "Leadlesss
Leadframe Package (LLP)".
Temperature Range
Supply Voltage
θ
θ
θ
T
JC
JA
JA
MIN
(MSOP)
(LLP)
(MSOP)
≤ T
A
≤ T
MAX
66 (f = 1kHz)
62 (f = 1kHz)
(Note 6)
(Note 6)
(Note 6)
Typical
Typical
Typical
217Hz)
217Hz)
62 (f =
60 (f =
0.1
0.1
3.5
0.1
0.4
0.1
2.6
0.1
4
1
LM4891
LM4891
LM4891
(Note 7)
(Note 7)
(Note 7)
Limit
Limit
Limit
10
−40˚C ≤ T
2.2V ≤ V
A
www.national.com
A
= 25˚C.
mA (max)
mA (max)
mA (max)
µA (max)
µA (max)
µA (max)
DD
A
(Limits)
(Limits)
(Limits)
190˚C/W
220˚C/W
A
= 25˚C.
Units
Units
Units
=
56˚C/W
≤ 85˚C
dB
dB
≤ 5.5V
W
%
W
%