LM4873
Absolute Maximum Ratings
(Note 4)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
6.0V
Storage Temperature
−65˚C to +150˚C
Input Voltage
−0.3V to V
DD
+0.3V
Power Dissipation (Note 14)
Internally limited
ESD Susceptibility (Note 15)
2000V
ESD Susceptibility (Note 16)
200V
Junction Temperature
150˚C
Solder Information
Small Outline Package
Vapor Phase (60 sec.)
215˚C
Infrared (15 sec.)
220˚C
See AN-450 “Surface Mounting and their Effects on
Product Reliablilty” for other methods of soldering surface
mount devices.
Thermal Resistance
20˚C/W
θ
JC
(typ) — M16B
θ
JA
(typ) — M16B
θ
JC
(typ) — N16A
θ
JA
(typ) — N16A
θ
JC
(typ) — MTC20
θ
JA
(typ) — MTC20
θ
JC
(typ) — MXA20A
θ
JA
(typ) — MXA20A
θ
JA
(typ) — MXA20A
θ
JA
(typ) — MXA20A
θ
JC
(typ) — MXA28A
θ
JA
(typ) — MXA28A
θ
JA
(typ) — MXA28A
θ
JA
(typ) — MXA28A
80˚C/W
20˚C/W
63˚C/W
20˚C/W
80˚C/W
2˚C/W
41˚C/W (Note 5)
51˚C/W (Note 6)
90˚C/W (Note 7)
2˚C/W
41˚C/W (Note 8)
51˚C/W (Note 9)
90˚C/W (Note 10)
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
−40˚C
≤
T
A
≤
85˚C
2.0V
≤
V
DD
≤
5.5V
Electrical Characteristics for Entire IC
(Notes 3, 4)
The following specifications apply for V
DD
= 5V unless otherwise noted. Limits apply for T
A
= 25˚C.
Symbol
Parameter
Conditions
LM4873
Typical
(Note 17)
V
DD
I
DD
I
SD
V
IH
V
IL
Supply Voltage
Quiescent Power Supply Current
Shutdown Current
Headphone High Input Voltage
Headphone Low Input Voltage
V
IN
= 0V, I
O
= 0A (Note 19) , HP-IN = 0V
V
IN
= 0V, I
O
= 0A (Note 19) , HP-IN = 4V
V
PIN1
= V
DD
7.5
5.8
0.7
Limit
(Note 18)
2
5.5
15
6
2
4
0.8
V (min)
V (max)
mA (max)
mA (min)
µA (min)
V (min)
V (max)
Units
(Limits)
Electrical Characteristics for Bridged-Mode Operation
(Notes 3, 4)
The following specifications apply for V
DD
= 5V unless otherwise specified. Limits apply for T
A
= 25˚C.
Symbol
Parameter
Conditions
LM4873
Typical
(Note
17)
V
OS
P
O
Output Offset Voltage
Output Power (Note 13)
V
IN
= 0V
THD = 1%, f = 1 kHz
LM4873MTE-1, R
L
= 3Ω (Note 11)
LM4873MTE, R
L
= 3Ω (Note 11)
LM4873MTE-1, R
L
= 4Ω (Note 12)
LM4873MTE, R
L
= 4Ω (Note 12)
LM4873, R
L
= 8Ω
THD+N = 10%, f = 1 kHz
LM4873MTE-1, R
L
= 3Ω (Note 11)
LM4873MTE-1, R
L
= 4Ω (Note 12)
LM4873, R
L
= 8Ω
THD+N = 1%, f = 1 kHz, R
L
= 32Ω
3.0
2.6
1.5
0.34
W
W
W
5
2.4
2.2
2.1
1.9
1.1
1.0
Limit
(Note
18)
50
mV (max)
W
W
W
W
W (min)
Units
(Limits)
3
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