LM4875M/NOPB National Semiconductor, LM4875M/NOPB Datasheet - Page 2

• Manufacturer Part Number: LM4875M/NOPB
• Description: IC AMP AUDIO PWR 1W MONO 8SOIC
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4875M/NOPB

• Output Type: 1-Channel (Mono) with Mono Headphones
• Max Output Power X Channels @ Load: 1W x 1 @ 8 Ohm; 110mW x 1 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Depop, Mute, Shutdown, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4875M

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Symbol
V
I
I
V
P
THD+N
PSRR
Gain
V
V
DD
SD
DD
OS
O
IH
IL
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
The following specifications apply for V
Note 1: All voltages are measured with respect to the ground pin, unless otherwise specified.
Note 2: “Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur. “Operating Ratings” indicate conditions for which the device
is functional, but do not guarantee specific performance limits. “Electrical Characteristics” state DC and AC electrical specifications under particular test conditions
that guarantee specific performance limits. This assumes that the device operates within the Operating Ratings. Specifications are not guaranteed for parameters
where no limit is given. The typical value, however, is a good indication of device performance.
Note 3: The maximum power dissipation must be derated at elevated temperatures and is dictated by T
allowable power dissipation is P
150˚C.
Note 4: Human body model, 100pF discharged through a 1.5kΩ resistor.
Note 5: Machine Model, 220pF–240pF discharged through all pins.
Note 6: Typicals are measured at 25˚C and represent the parametric norm.
Note 7: Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 8: The quiescent power supply current depends on the offset voltage when a practical load is connected to the amplifier.
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
Soldering Information
RANGE
Vapor Phase (60 sec.)
Infrared (15 sec.)
Supply Voltage
Quiescent Power Supply
Current
Shutdown Current
Output Offset Voltage
Output Power
Total Harmonic Distortion +
Noise
Power Supply Rejection Ratio
Single-Ended Gain Range
HP Sense High Input Voltage
HP Sense Low Input Voltage
Parameter
DMAX
= (T
JMAX
− T
DD
A
)/θ
Internally Limited
−65˚C to +150˚C
= 5V, unless otherwise specified. Limits apply for T
(Notes 1, 2)
JA
V
V
V
V
THD = 1% (max), HP Sense
f = 1kHz, R
THD = 10% (max), HP Sense
f = 1kHz, R
THD + N = 1%, HP Sense
f = 1kHz, R
THD = 10%, HP Sense
f = 1kHz, R
P
R
V
1.0 µF, f = 1kHz
Gain with V
Gain with V
−0.3V to V
or the number given in the Absolute Maximum Ratings, whichever is lower. For the LM4875M, T
IN
IN
PIN4
IN
O
RIPPLE
L
(Note 2)
= 8Ω
= 300 mWrms, f = 20Hz–20kHz,
= 0V, I
= 0V, I
= 0V
≤ 0.3V
2000V
150˚C
215˚C
220˚C
= 200mVrms, R
+0.3V
200V
6.0V
O
O
L
L
L
L
PIN4
PIN4
DD
= 0A, HP Sense = 0V
- 0A, HP Sense = 5V
= 8Ω
= 8Ω
= 32Ω
= 32Ω
Conditions
≥ 4.0V, (80% of V
≤ 0.9V, (20% of V
2
Operating Ratings
See AN-450 “Surface Mounting and their Effects on Product
Reliability” for other methods of soldering surface mount
devices.
Thermal Resistanc
Temperature Range
Supply Voltage
>
L
θ
θ
θ
θ
T
= 8Ω, C
4V,
JC
JA
JC
JA
MIN
>
<
(SOP)
(SOP)
(MSOP)
(MSOP)
4V,
<
≤ T
0.8V,
0.8V,
B
DD
DD
A
=
≤ T
JMAX
)
)
MAX
, θ
JA
(Note 7)
, and the ambient temperature T
18.8
Min
500
−70
2.7
4
A
= 25˚C.
(Note 6)
Typical
750
110
−72
3.5
0.7
1.0
0.6
80
50
20
4
5
LM4875
−40˚C ≤ T
2.7V ≤ V
(Note 7)
Max
5.5
0.8
50
A
7
6
. The maximum
A
DD
150˚C/W
190˚C/W
≤ +85˚C
35˚C/W
56˚C/W
≤ 5.5V
JMAX
Units
mW
mW
mW
mA
mA
mV
µA
dB
dB
dB
W
%
V
V
V
=