LM4850MTX/NOPB National Semiconductor, LM4850MTX/NOPB Datasheet - Page 3

• Manufacturer Part Number: LM4850MTX/NOPB
• Description: IC AMP AUDIO PWR 1.9W AB 14TSSOP
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4850MTX/NOPB

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 1.9W x 1 @ 3 Ohm; 300mW x 2 @ 8 Ohm
• Voltage - Supply: 2.4 V ~ 5.5 V
• Features: Depop, Shutdown, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 14-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM4850MTX; *LM4850MTX/NOPB; LM4850MTX

V
I
I
V
P
V
V
Crosstalk Channel Seperation
I
Symbol
DD
SD
DD
Symbol
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
Electrical Characteristics
The following specifications apply for V
Supply Voltage
Storage Temperature
ESD Susceptibility (Note 5)
ESD Machine model (Note 8)
Junction Temperature (T
Solder Information (Note 2)
Thermal Resistance
Small Outline Package
Vapor Phase (60 sec.)
Infrared (15 sec.)
Supply Current
Supply Voltage
Supply Current
Shutdown Current
Output Offset Voltage
Output Power
Shutdown Input Voltage High
Shutdown Input Voltage Low
Parameter
Parameter
J
)
DD
DD
−65˚C to +150˚C
= 5.0V, T
= 3.3V, T
(Notes 3, 9)
(Notes 3, 9)
BTL Mode; V
BTL Mode; V
SE Mode; V
SD Mode
BTL Mode; A
BTL OUT+ to BTL OUT−
LM4850LD; BTL Mode; R
THD+N = 1% (Note 11)
LM4850LD; BTL Mode; R
THD+N = 1% (Note 11)
LM4850MT, MM; BTL Mode; R
THD+N = 1%
BTL Mode; R
THD+N = 1%
SE Mode; R
THD+N = 1%
SE Mode; R
THD+N = 1%
Is
Is
SE Mode, R
<
>
(Note 3)
80µA
0.5mA
A
A
150˚C
215˚C
220˚C
= 25˚C unless otherwise specified.
= 25˚C unless otherwise specified.
3.5kV
250V
6.0V
IN
L
L
L
IN
IN
V
L
= 8Ω
= 32Ω
= 32Ω; f = 1kHz
= 0V; I
= 0V; I
Conditions
= 8Ω
= 2
Conditions
= 0V; I
3
O
O
Operating Ratings
Note 2: See AN-450 ’Surface Mounting and their effects on Product Reliabil-
ity’ for other methods of soldering surface mount devices.
Temperature Range
Supply Voltage V
O
= 0A
= 0A
= 0A
θ
θ
θ
θ
θ
θ
L
L
JA
JC
JA
JC
JA
JC
= 3Ω
= 4Ω
(typ) — MUB10A
(typ) — MUB10A
(typ) — MTC14
(typ) — MTC14
(typ) — LDA14A (Note 10)
(typ) — LDA14A
L
= 4Ω
DD
(Note 6)
(Note 6)
Typical
Typical
300
2.4
2.4
5.0
1.9
1.7
1.5
1.1
2.0
44
95
73
LM4850
LM4850
(Note 3)
(Note 7)
(Note 7)
Limit
Limit
2.4
5.5
7.0
7.0
2.0
0.8
40
2.4V ≤ V
−40˚C ≤ to 85˚C
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DD
194˚C/W
150˚C/W
(Limits)
V (max)
V (max)
(Limits)
V (min)
V (min)
4.3˚C/W
52˚C/W
40˚C/W
56˚C/W
Units
Units
mW
mW
≤ 5.5V
mA
mA
mV
mA
µA
dB
W
W
W
W