LM4804LQX/NOPB National Semiconductor, LM4804LQX/NOPB Datasheet - Page 3

• Manufacturer Part Number: LM4804LQX/NOPB
• Description: IC AMP AUDIO PWR 1.9W MONO 28LLP
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4804LQX/NOPB

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 1.9W x 1 @ 8 Ohm
• Voltage - Supply: 2.7 V ~ 6.1 V
• Features: Depop, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 28-LLP
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono
• Output Power (typ): 1.9x1@8OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.13@8Ohm@1.5W%
• Single Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (typ): 3/5V
• Power Supply Requirement: Dual
• Power Dissipation: 1.8W
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 72dB
• Single Supply Voltage (min): Not RequiredV
• Single Supply Voltage (max): Not RequiredV
• Dual Supply Voltage (min): 2.7/3V
• Dual Supply Voltage (max): 5/6.1V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 28
• Package Type: LLP EP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

I
I
V
V
T
V
TSD
P
THD+N
e
PSRR
V
I
I
V
V
T
V
DD
SD
DD
SD
OS
WU
WU
SDIH
SDIL
OS
OUT
FB
SDIH
SDIL
OS
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
= 78.7kΩ unless otherwise specified. Limits apply for T
Electrical Characteristics V
The following specifications apply for V
= 78.7kΩ unless otherwise specified. Limits apply for T
Supply Voltage (V
Supply Voltage (V
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Symbol
Symbol
Quiescent Power Supply Current
Shutdown Current
Shutdown Voltage Input High
Shutdown Voltage Input Low
Wake-up Time
Output Offset Voltage
Thermal Shutdown Temperature
Output Power
Total Harmomic Distortion + Noise
Output Noise
Power Supply Rejection Ratio
Feedback Pin Reference Voltage
Quiescent Power Supply Current
Shutdown Current
Shutdown Voltage Input High
Shutdown Voltage Input Low
Wake-up Time
Output Offset Voltage
DD
1
)
)
Parameter
Parameter
−0.3V to V
DD
DD
−65˚C to +150˚C
Internally limited
= 4.2V, V
= 3.0V, V
DD
DD
(Notes 1, 2)
DD
= 4.2V
= 3.0V
+ 0.3V
1
1
2000V
200V
= 6.0V, A
= 6.0V, A
6.5V
6.5V
V
V
SD1
SD2
SD1
SD2
C
THD = 2% (max)
P
A-Weighted Filter, V
Input Referred
V
f = 217Hz
f = 1kHz
V
V
SD1
SD2
SD1
SD2
C
A
A
IN
SHUTDOWN
OUT
RIPPLE
DD
SHUTDOWN
B
B
= 25˚C. See Figure 1.
= 25˚C.
= 1.0µF
= 1.0µF
= 0, R
= 3.2V, V
= 1.5W
(Notes 1, 2)
(Notes 1, 2)
= 200mV
3
V-BTL
V-BTL
LOAD
Conditions
Conditions
= GND (Notes 9, 10)
= GND (Notes 9, 10)
Operating Ratings
Junction Temperature
Thermal Resistance
See AN-1187 ’Leadless Leadframe Packaging (LLP).’
Temperature Range
Supply Voltage (V
Supply Voltage (V
IN
= 20dB, R
= 20dB, R
=
θ
T
= 0, R
JA
MIN
p-p
∞
(LLP)
IN
≤ T
= 0V,
LOAD
A
L
L
≤ T
= 8Ω, f
= 8Ω, f
=
MAX
∞
DD
1
)
IN
IN
)
= 1kHz, C
= 1kHz, C
(Note 6)
(Note 6)
Typical
Typical
0.13
1.24
0.1
1.9
0.1
11
70
22
72
67
19
70
4
3
LM4804
LM4804
B
B
= 1.0µF, R
= 1.0µF, R
(Notes 7, 8)
(Notes 7, 8)
−40˚C ≤ T
0.15V
0.15V
0.7V
0.7V
1.2772
1.2028
Limit
Limit
125
1.4
0.4
1.7
0.5
1.4
0.4
2.7V ≤ V
22
40
33
40
2
2
3V ≤ V
DD
DD
DD
DD
1
1
= 301kΩ, R
= 301kΩ, R
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A
1
≤ +85˚C
DD
59˚C/W
mA (max)
mV (max)
mA (max)
mV (max)
µA (max)
µA (max)
dB (min)
˚C (min)
≤ 6.1V
(Limits)
V (max)
W (min)
V (max)
(Limits)
V (max)
V (min)
V (min)
V (min)
125˚C
(max)
(max)
Units
msec
Units
msec
≤ 5V
µV
%
2
2