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LM4804 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part No. LM4804
Description  Low Voltage High Power Audio Power Amplifier
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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Absolute Maximum Ratings (Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (V
DD)
6.5V
Supply Voltage (V
1)
6.5V
Storage Temperature
−65˚C to +150˚C
Input Voltage
−0.3V to V
DD + 0.3V
Power Dissipation (Note 3)
Internally limited
ESD Susceptibility (Note 4)
2000V
ESD Susceptibility (Note 5)
200V
Junction Temperature
125˚C
Thermal Resistance
θ
JA (LLP)
59˚C/W
See AN-1187 ’Leadless Leadframe Packaging (LLP).’
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
−40˚C
≤ T
A
≤ +85˚C
Supply Voltage (V
DD)3V
≤ V
DD
≤ 5V
Supply Voltage (V
1)
2.7V
≤ V
1
≤ 6.1V
Electrical Characteristics V
DD = 4.2V (Notes 1, 2)
The following specifications apply for V
DD = 4.2V, V1 = 6.0V, AV-BTL = 20dB, RL =8
Ω,f
IN = 1kHz, CB = 1.0µF, R1 = 301k
Ω,R
2
= 78.7k
Ω unless otherwise specified. Limits apply for T
A = 25˚C. See Figure 1.
Symbol
Parameter
Conditions
LM4804
Units
(Limits)
Typical
(Note 6)
Limit
(Notes 7, 8)
I
DD
Quiescent Power Supply Current
V
IN =0,RLOAD =
11
22
mA (max)
I
SD
Shutdown Current
V
SHUTDOWN = GND (Notes 9, 10)
0.1
2
µA (max)
V
SDIH
Shutdown Voltage Input High
SD1
SD2
0.7V
DD
1.4
V (min)
V
SDIL
Shutdown Voltage Input Low
SD1
SD2
0.15V
DD
0.4
V (max)
T
WU
Wake-up Time
C
B = 1.0µF
70
msec
(max)
V
OS
Output Offset Voltage
4
40
mV (max)
TSD
Thermal Shutdown Temperature
125
˚C (min)
P
OUT
Output Power
THD = 2% (max)
1.9
1.7
W (min)
THD+N
Total Harmomic Distortion + Noise
P
OUT = 1.5W
0.13
0.5
%
e
OS
Output Noise
A-Weighted Filter, V
IN = 0V,
Input Referred
22
µV
PSRR
Power Supply Rejection Ratio
V
RIPPLE = 200mVp-p
f = 217Hz
f = 1kHz
72
67
dB (min)
V
FB
Feedback Pin Reference Voltage
1.24
1.2772
1.2028
V (max)
V (min)
Electrical Characteristics V
DD = 3.0V (Notes 1, 2)
The following specifications apply for V
DD = 3.0V, V1 = 6.0V, AV-BTL = 20dB, RL =8
Ω,f
IN = 1kHz, CB = 1.0µF, R1 = 301k
Ω,R
2
= 78.7k
Ω unless otherwise specified. Limits apply for T
A = 25˚C.
Symbol
Parameter
Conditions
LM4804
Units
(Limits)
Typical
(Note 6)
Limit
(Notes 7, 8)
I
DD
Quiescent Power Supply Current
V
DD = 3.2V, VIN =0,RLOAD =
19
33
mA (max)
I
SD
Shutdown Current
V
SHUTDOWN = GND (Notes 9, 10)
0.1
2
µA (max)
V
SDIH
Shutdown Voltage Input High
SD1
SD2
0.7V
DD
1.4
V (min)
V
SDIL
Shutdown Voltage Input Low
SD1
SD2
0.15V
DD
0.4
V (max)
T
WU
Wake-up Time
C
B = 1.0µF
70
msec
(max)
V
OS
Output Offset Voltage
3
40
mV (max)
www.national.com
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