lm49150tlx National Semiconductor Corporation, lm49150tlx Datasheet - Page 5

• Manufacturer Part Number: lm49150tlx
• Description: Mono Class D Audio Subsystem With Earpiece Driver And Stereo Ground Referenced Headphone Amplifiers
• Manufacturer: National Semiconductor Corporation

I
I
V
P
THD+N
η
DD
SD
Symbol
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 3.3V
The following specifications apply for V
= 8Ω, f = 1kHz, unless otherwise specified. Limits apply for T
Supply Voltage (Note 1)
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Rating (Note 4)
ESD Rating (Note 5)
Junction Temperature
Supply Current
Shutdown Current
Output Offset Voltage
Output Power
Total Harmonic Distortion + Noise
Efficiency
Parameter
DD
= LSV
−65°C to +150°C
Internally Limited
−0.3 to V
V
LS mode 1
HP mode 8
EP Bypass mode
LS + HP mode 5 and mode 10
LS mode 1, GAMP_SD = 1
HP mode 8, GAMP_SD = 1
V
LS Gain = 6dB, Stereo mode 10
V
Ground Referenced, Stereo mode 10
V
LS mode 1, THD+N = 1%, f = 1kHz
LS Gain = 6dB, R
LS mode 1, THD+N = 1%, f = 1kHz
LS Gain = 6dB, R
HP mode 8, THD+N = 1%, f = 1kHz
HP Attenuation = 0dB, R
HP mode 8, THD+N = 1%, f = 1kHz
HP Attenuation = 0dB, R
EP Bypass only, THD+N = 1%, f = 1kHz
R
LS mode 1, f = 1kHz
P
HP mode 8, f = 1kHz
P
EP Bypass only, f = 1kHz
P
LS output
IN
IN
IN
IN
OUT
OUT
OUT
L
(Notes 1, 2)
DD
= 8Ω
= 0, No Load
= 0V, LS, R
= 0V, HP, R
= 0V, EP Bypass only, R
= 3.3V, A
= 250mW; R
= 20mW; R
= 20mW; R
DD
(Note 2)
150°C
2.0kV
200V
6.0V
+0.3
V
A
L
Conditions
L
= 0dB, Loudspeaker R
= 25C. LS = Loudspeaker, HP = Headphone, EP = Earpiece.
= 8Ω
L
L
= 32Ω
L
L
5
L
= 32Ω
= 8Ω
= 4Ω
= 8Ω
= 8Ω
Operating Ratings
Soldering Information
Thermal Resistance
θ
Temperature Range
Supply Voltage
Supply Voltage (I
L
L
= 16Ω
= 32Ω
JA
L
(typ) - TLA20KGA
= 8Ω
L
2
= 15μH+8Ω+15μH (Note 8), Earpiece R
C) (Note 10)
(Note 6)
Typical
0.009
0.04
0.02
0.15
845
520
3.7
4.7
0.8
4.3
0.8
42
43
35
88
7
3
9
1
LM49150
(Note 7)
Limits
450
1.7V
6.7
1.2
9.5
6.1
40
39
28
5
4
1
5
5
2.7V
“Micro SMD Wafer
Level Chip Scale
≤
−40°C to 85°C
I
See AN-1112
≤
2
CV
V
www.national.com
46.1°C/W
DD
Package”
mA (max)
mA (max)
mA (max)
mA (max)
mA (max)
mA (max)
mV (max)
mV (max)
mV (max)
mW (min)
mW (min)
mW (min)
DD
µA (max)
(Limits)
Units
≤
mW
mW
≤
%
%
%
%
5.5V
5.5V
L