LM4912MM National Semiconductor, LM4912MM Datasheet - Page 3

• Manufacturer Part Number: LM4912MM
• Description: Stereo 40mW Low Noise Headphone Amplifier
• Manufacturer: National Semiconductor

I
I
I
V
V
V
V
P
V
PSRR
A
I
I
I
P
V
PSRR
A
DD
SD
M
DD
SD
M
SDIH
SDIL
MIH
MIL
O
NO
M
O
NO
M
Absolute Maximum Ratings
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please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics V
The following specifications apply for V
apply to T
Electrical Characteristics V
The following specifications apply for V
apply to T
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Symbol
Symbol
A
A
= 25˚C.
= 25˚C.
Quiescent Power Supply Current
Shutdown Current
Mute Current
Shutdown Voltage Input High
Shutdown Voltage Input Low
Mute Voltage Input High
Mute Voltage Input Low
Output Power
Output Noise Voltage
Power Supply Rejection Ratio
Mute Attenuation
Quiescent Power Supply Current
Shutdown Current
Mute Current
Output Power
Output Noise Voltage
Power Supply Rejection Ratio
Mute Attenuation
Parameter
Parameter
-0.3V to V
DD
DD
Internally Limited
−65˚C to +150˚C
= 5.0V, R
= 3.0V, R
DD
DD
(Note 2)
DD
= 5.0V
= 3.0V
+ 0.3V
L
L
2000V
V
V
V
THD = 1%; f = 1kHz
R = 16Ω
R = 32Ω
BW = 20 Hz to 20kHz, A-weighted
V
f = 1kHz
V
V
V
THD = 1%; f = 1kHz
BW = 20 Hz to 20kHz, A-weighted
V
f = 1kHz
250V
= 16Ω, C
IN
SHUTDOWN
MUTE
RIPPLE
= 16Ω, C
IN
SHUTDOWN
MUTE
RIPPLE
4.0V
= 0V, I
= 0V, I
= V
= V
= 200mV sine p-p
= 200mV sine p-p
(Notes 1, 2)
(Notes 1, 2)
O
O
DD
O
O
DD
3
= GND
= GND
= 100µ, and C
= 100µF, and C
= 0A
= 0A
Conditions
Conditions
Operating Ratings
Junction Temperature
Thermal Resistance
Temperature Range
Supply Voltage (V
R = 16Ω
R = 32Ω
θ
θ
T
JC
JA
MIN
(MSOP)
(MSOP)
≤ T
A
B
≤ T
B
= 4.7µF unless otherwise specified. Limits
= 4.7µF unless otherwise specified. Limits
MAX
DD
)
(Note 6)
(Note 6)
Typ
145
Typ
0.1
1.8
0.4
1.8
0.4
1.5
0.1
1.5
80
10
65
85
40
25
10
65
80
2
2
LM4912
LM4912
−40˚C ≤ T
(Note 7)
(Note 7)
2.0V ≤ V
Limit
Limit
2.0
2.0
5
5
3
3
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DD
190˚C/W
A
56˚C/W
mA (max)
mA (max)
mA (max)
mA (max)
µA (max)
µA (max)
≤ 85˚C
≤ 5.5V
(Limits)
(Limits)
150˚C
Units
Units
mW
mW
µV
dB
dB
µV
dB
dB
V
V
V
V