lm4905 National Semiconductor Corporation, lm4905 Datasheet - Page 3

• Manufacturer Part Number: lm4905
• Description: 1 Watt Audio Power Amplifier
• Manufacturer: National Semiconductor Corporation

I
I
V
V
V
P
T
THD+N
PSRR
I
I
V
V
V
P
T
THD+N
PSRR
DD
SD
DD
SD
Symbol
Symbol
WU
WU
SDIH
SDIL
OS
o
SDIH
SDIL
OS
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 the circuit shown in Figure 1, unless otherwise specified. Limits apply for T
Electrical Characteristics V
The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T
Supply Voltage (Note 10)
Storage Temperature
Input Voltage
Power Dissipation (Notes 3, 11)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
Quiescent Power Supply Current
Shutdown Current
Shutdown Voltage Input High
Shutdown Voltage Input Low
Output Offset Voltage
Output Power
Wake-up time
Total Harmonic Distortion+Noise
Power Supply Rejection Ratio
Quiescent Power Supply Current
Shutdown Current
Shutdown Voltage Input High
Shutdown Voltage Input Low
Output Offset Voltage
Output Power
Wake-up time
Total Harmonic Distortion+Noise
Power Supply Rejection Ratio
Parameter
Parameter
−0.3V to V
Internally Limited
−65˚C to +150˚C
DD
DD
V
V
V
THD = 1% (max); f = 1 kHz
P
V
Input terminated with 10Ω
V
V
V
THD = 1% (max); f = 1 kHz
P
V
Input terminated with 10Ω
(Note 2)
IN
IN
SD
o
ripple
IN
IN
SD
o
ripple
= 0.5 Wrms; f = 1kHz
= 0.25 Wrms; f = 1kHz
= 5V
= 3V
DD
= 0V, I
= 0V, I
= 0V, I
= 0V, I
= V
= V
= 200mV sine p-p
= 200mV sine p-p
2000V
150˚C
+0.3V
200V
GND
GND
6.0V
o
o
o
o
Conditions
Conditions
= 0A, No Load
= 0A, 8Ω Load
= 0A, No Load
= 0A, 8Ω Load
(Notes 1, 2)
(Notes 1, 2)
3
Operating Ratings
Thermal Resistance
Temperature Range
Supply Voltage
θ
θ
θ
θ
T
JC
JA
JC
JA
MIN
(LQ)
(LD)
(LQ)
(LD)
≤ T
A
≤ T
MAX
60 (f =
217Hz)
64 (f = 1kHz)
65 (f =
217Hz)
70 (f = 1kHz)
(Note 6)
(Note 6)
Typical
Typical
1.07
100
390
3.4
0.8
1.5
1.3
0.2
2.4
0.1
1.3
1.0
0.1
75
4
7
3
7
LM4905
LM4905
(Notes 7, 8)
(Notes 7, 8)
Limit
Limit
0.9
1.0
10
50
55
50
55
7
2
7
9
−40˚C ≤ T
2.2V ≤ V
A
A
= 25˚C.
= 25˚C.
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mA (max)
mA (max)
mV (max)
mS (max)
mA (max)
mA (max)
mV (max)
mS (max)
µA (max)
µA (max)
DD
dB (min)
dB (min)
(Limits)
(Limits)
V (max)
V (max)
V (min)
V (min)
140˚C/W
A
Units
Units
57˚C/W
71˚C/W
95˚C/W
mW
≤ 85˚C
≤ 5.5V
W
%
%