LM4894 National Semiconductor, LM4894 Datasheet - Page 3

• Manufacturer Part Number: LM4894
• Description: 1 Watt Fully Differential Audio Power Amplifier With Shutdown Select
• Manufacturer: National Semiconductor

I
I
P
THD+N
PSRR
CMRR
I
I
P
THD+N
PSRR
CMRR
DD
SD
DD
SD
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
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
Thermal Resistance
θ
θ
JC
JA
(LLP)
(LLP)
Quiescent Power Supply Current
Shutdown Current
Output Power
Total Harmonic Distortion+Noise
Power Supply Rejection Ratio
Common_Mode Rejection Ratio
Quiescent Power Supply Current
Shutdown Current
Output Power
Total Harmonic Distortion+Noise
Power Supply Rejection Ratio
Common-Mode Rejection Ratio
Parameter
Parameter
DD
DD
−0.3V to V
= 5V, A
= 3V, A
Internally Limited
−65˚C to +150˚C
DD
DD
V
V
THD = 1% (max); f = 1 kHz
P
V
V
V
THD = 1% (max); f = 1kHz
P
V
(Note 2)
IN
shutdown
o
ripple
IN
shutdown
o
ripple
V
= 0.4 Wrms; f = 1kHz
V
= 0.25Wrms; f = 1kHz
= 5V
f = 217Hz
= 3V
DD
= 0V, I
= 0V, I
f = 217Hz (Note 9)
f = 1kHz (Note 9)
f = 217Hz (Note 10)
f = 1kHz (Note 10)
f = 217Hz
LM4894LD, R
LM4894, R
f = 217Hz (Note 9)
f = 1kHz (Note 9)
f = 217Hz (Note 10)
f = 1kHz (Note 10)
= 1, and 8Ω load unless otherwise specified. Limits apply for T
= 1, and 8Ω load unless otherwise specified. Limits apply for T
12˚C/W
63˚C/W
= 200mV sine p-p
2000V
= 200mV sine p-p
150˚C
+0.3V
200V
6.0V
= GND
= GND
o
o
(Notes 1, 2, 8)
Conditions
= 0A
= 0A
Conditions
(Notes 1, 2, 8)
L
= 8Ω
3
L
= 4Ω (Note 11)
Operating Ratings
Soldering Information
See AN-1112 "microSMD Wafers Level Chip Scale
Package."
See AN-1187 "Leadless
Leadframe Package (LLP)."
Temperature Range
Supply Voltage
θ
θ
θ
T
JA
JC
JA
MIN
(micro SMD)
(MSOP)
(MSOP)
≤ T
A
≤ T
MAX
(Note 6)
Typical
(Note 6)
Typical
0.325
0.35
3.5
0.1
87
83
80
78
49
0.1
1.4
0.1
87
83
83
80
50
4
1
LM4894
LM4894
(Note 7)
(Note 7)
Limit
0.850
Limit
63
6
1
8
1
−40˚C ≤ T
2.2V ≤ V
A
A
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= 25˚C.
= 25˚C.
mA (max)
mA (max)
µA (max)
DD
µA (max)
dB (min)
(Limits)
(Limits)
W (min)
220˚C/W
190˚C/W
A
Units
Units
56˚C/W
≤ 85˚C
dB
dB
dB
≤ 5.5V
W
%
%