LM4892MMX/NOPB National Semiconductor, LM4892MMX/NOPB Datasheet - Page 3

IC AMP AUDIO PWR 1W MONO 8MSOP

LM4892MMX/NOPB

Manufacturer Part Number
LM4892MMX/NOPB
Description
IC AMP AUDIO PWR 1W MONO 8MSOP
Manufacturer
National Semiconductor
Series
Boomer®r
Type
Class ABr
Datasheet

Specifications of LM4892MMX/NOPB

Output Type
1-Channel (Mono) with Mono Headphones
Max Output Power X Channels @ Load
1W x 1 @ 8 Ohm; 90mW x 1 @ 32 Ohm
Voltage - Supply
2.2 V ~ 5.5 V
Features
Depop, Shutdown, Thermal Protection
Mounting Type
Surface Mount
Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
Operational Class
Class-AB
Audio Amplifier Output Configuration
1-Channel Mono
Audio Amplifier Function
Headphone/Speaker
Total Harmonic Distortion
0.1@8Ohm@0.4W%
Single Supply Voltage (typ)
3/5V
Dual Supply Voltage (typ)
Not RequiredV
Power Supply Requirement
Single
Rail/rail I/o Type
No
Power Supply Rejection Ratio
66dB
Single Supply Voltage (min)
2.2V
Single Supply Voltage (max)
5.5V
Dual Supply Voltage (min)
Not RequiredV
Dual Supply Voltage (max)
Not RequiredV
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
8
Package Type
Mini SOIC
For Use With
LM4892MMBD - BOARD EVALUATION LM4892MM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LM4892MMX
I
I
P
V
V
THD+N
PSSR
I
I
P
V
V
THD+N
DD
SD
DD
SD
Symbol
Symbol
o
IH
IL
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 V
The following specifications apply for V
Electrical Characteristics V
The following specifications apply for V
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
Thermal Resistance
θ
θ
θ
JC
JA
JA
(SOP)
(SOP)
(micro SMD)
Quiescent Power Supply Current
Shutdown Current
Output Power
HP Sense high input voltage
HP Sense low input voltage
Total Harmonic Distortion+Noise
Power Supply Rejection Ratio
Quiescent Power Supply Current
Shutdown Current
Output Power
HP Sense high input voltage
HP Sense low input voltage
Total Harmonic Distortion+Noise
Parameter
Parameter
DD
DD
−0.3V to V
= 5V, A
= 3.3V, A
Internally Limited
−65˚C to +150˚C
DD
DD
V
V
Vshutdown = GND (Note 8)
THD = 2% (max), f = 1kHz,
R
THD = 1% (max), f = 1kHz,
R
P
BW ≤ 80kHz
V
V
V
Vshutdown = GND (Note 8)
THD = 1% (max), f = 1kHz,
R
THD = 1% (max), f = 1kHz,
R
P
BW ≤ 80kHz
(Note 2)
IN
IN
L
L
o
ripple
IN
IN
L
L
o
V
= 0.4 W
= 0.15 W
= 8Ω, HP Sense
= 32Ω, HP Sense
= 8Ω, HP Sense
= 32Ω, HP Sense
= 5V
= 3.3V
DD
= 0V, I
= 0V, I
= 0V, I
= 0V, I
150˚C/W
220˚C/W
= 2, and 8Ω load unless otherwise specified. Limits apply for T
V
35˚C/W
= 200mV sine p-p
2500V
150˚C
= 2, and 8Ω load unless otherwise specified. Limits apply for T
+0.3V
250V
6.0V
o
o
o
o
rms
Conditions
Conditions
= 0A, HP sense = 0V
= 0A, HP sense = 5V
= 0A, HP sense = 0V
= 0A, HP sense = 3.3V
rms
(Notes 1, 2)
; f = 1kHz 10Hz ≤
; f = 1kHz 10Hz ≤
(Notes 1, 2)
3
Operating Ratings
<
<
Soldering Information
See AN-1112 ’microSMD Wafers Level Chip Scale
Package’.
See AN-1187 ’Leadless Leadframe Package (LLP)’.
Temperature Range
Supply Voltage
>
>
θ
θ
θ
T
0.8V
0.8V
JC
JA
JA
4V
3V
MIN
(MSOP)
(LLP)
(MSOP)
≤ T
A
≤ T
MAX
0.1
62 (f =
217Hz) 66 (f
= 1kHz)
(Note 6)
(Note 6)
Typical
Typical
2.5
0.1
3.5
2.0
0.1
0.4
0.1
90
35
4
1
LM4892
LM4892
(Note 7)
(Note 7)
Limit
Limit
0.8
2.6
0.8
10
4
−40˚C ≤ T
2.2V ≤ V
220˚C/W (Note 9)
A
www.national.com
A
= 25˚C.
mA (max)
mA (max)
mA (max)
mA (max)
µA (max)
µA (max)
DD
(Limits)
(Limits)
V (max)
V (max)
V (min)
V (min)
190˚C/W
A
= 25˚C.
Units
Units
56˚C/W
mW
mW
≤ 85˚C
dB
≤ 5.5V
W
%
W
%

Related parts for LM4892MMX/NOPB