LM4873MT/NOPB National Semiconductor, LM4873MT/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM4873MT/NOPB
• Description: IC AMP AUDIO PWR 3W STER 20TSSOP
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4873MT/NOPB

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 3W x 2 @ 3 Ohm; 440mW x 2 @ 8 Ohm
• Voltage - Supply: 2 V ~ 5.5 V
• Features: Depop, Input Multiplexer, Shutdown, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM4873MT; LM4873MT

www.national.com
V
I
I
V
V
V
P
Symbol
DD
SD
Symbol
DD
IH
IL
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
The following specifications apply for V
Electrical Characteristics for Bridged-Mode Operation
The following specifications apply for V
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 4)
ESD Susceptibility (Note 5)
ESD Susceptibility (Note 6)
Junction Temperature
Solder Information
See AN-450 “Surface Mounting and their Effects on
Product Reliablilty” for other methods of soldering
surface mount devices.
Thermal Resistance
Small Outline Package
Vapor Phase (60 sec.)
Infrared (15 sec.)
Supply Voltage
Quiescent Power Supply Current
Shutdown Current
Headphone High Input Voltage
Headphone Low Input Voltage
Output Offset Voltage
Output Power (Note 19)
Parameter
Parameter
DD
DD
−65˚C to +150˚C
= 5V unless otherwise noted. Limits apply for T
= 5V unless otherwise specified. Limits apply for T
Internally limited
(Notes 3, 15)
V
V
V
V
THD+N = 1%, f = 1kHz (Note 20)
−0.3V to V
IN
IN
DD
IN
= 0V, I
= 0V, I
(Note 3)
= 0V
LM4873MTE-1, R
LM4873MTE, R
LM4873LQ, R
LM4873MTE-1, R
LM4873MTE, R
LM4873LQ, R
LM4873MT, R
LM4873, R
applied to the SHUTDOWN pin
2000V
150˚C
215˚C
220˚C
+0.3V
200V
6.0V
O
O
DD
= 0A (Note 18) , HP-IN = 0V
= 0A (Note 18) , HP-IN = 4V
L
Conditions
= 8Ω
Conditions
L
L
4
L
L
= 3Ω
L
= 4Ω
= 4Ω
= 3Ω
= 4Ω
L
L
Operating Ratings
Temperature Range
Supply Voltage
= 3Ω
= 4Ω
θ
θ
θ
θ
θ
θ
θ
θ
θ
θ
θ
θ
θ
T
JC
JA
JC
JA
JA
JA
JC
JA
JA
JA
JC
JA
JA
MIN
(typ) — MTC20
(typ) — MXA20A
(typ) — MXA20A
(typ) — MXA20A
(typ) — MXA28A
(typ) — MXA28A
(typ) — MXA28A
(typ) — LQA24A
(typ) — micro SMD
(typ) — MTC20
(typ) — MXA20A
(typ) — MXA28A
(typ) — LQA24A
≤ T
A
≤ T
MAX
A
(Note 16)
= 25˚C.
Typical
(Notes 3, 15)
A
7.5
5.8
0.7
= 25˚C.
(Note 16) (Note 17)
Typical
LM4873
2.4
2.2
2.2
2.1
1.9
1.9
1.9
1.1
5
LM4873
(Note 17)
Limit
5.5
0.8
15
2
6
2
4
−40˚C ≤ T
2.0V ≤ V
Limit
41˚C/W (Note 10)
90˚C/W (Note 12)
42˚C/W (Note 13)
60˚C/W (Note 14)
51˚C/W (Note 11)
1.0
50
41˚C/W (Note 7)
51˚C/W (Note 8)
90˚C/W (Note 9)
DD
mA (max)
mA (min)
µA (max)
A
(Limits)
V (max)
V (max)
3.0˚C/W
V (min)
V (min)
mV (max)
20˚C/W
80˚C/W
Units
(Limits)
W (min)
≤ 85˚C
≤ 5.5V
2˚C/W
2˚C/W
Units
W
W
W
W
W
W
W