LM4838LQ/NOPB National Semiconductor, LM4838LQ/NOPB Datasheet - Page 5

• Manufacturer Part Number: LM4838LQ/NOPB
• Description: IC AMP AUDIO PWR 2.2W STER 28LLP
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4838LQ/NOPB

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 2.2W x 2 @ 3 Ohm; 95mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Depop, Mute, Shutdown, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 28-LLP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4838LQ; LM4838LQTR

V
I
I
V
V
C
A
P
DD
SD
Symbol
DD
IH
IL
Symbol
M
O
RANGE
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics for Entire IC
The following specifications apply for V
Electrical Characteristics for Volume Attenuators
The following specifications apply for V
Electrical Characteristics for Single-Ended Mode Operation
The following specifications apply for V
Symbol
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 11)
ESD Susceptibility (Note 12)
ESD Susceptibility (Note 13)
Junction Temperature
Soldering Information
See AN-450 “Surface Mounting and their Effects on
Product Reliability” for other methods of soldering surface
mount devices.
θ
θ
θ
JC
JA
JC
Small Outline Package
(typ) — LQA028AA
(typ) — LQA028AA
(typ) — MTC28
Vapor Phase (60 sec.)
Infrared (15 sec.)
Supply Voltage
Quiescent Power Supply Current
Shutdown Current
Headphone Sense High Input Voltage
Headphone Sense Low Input Voltage
Attenuator Range
Mute Attenuation
Output Power
Parameter
Parameter
Parameter
−0.3V to V
DD
DD
DD
-65˚C to +150˚C
Internally limited
= 5V unless otherwise noted. Limits apply for T
= 5V. Limits apply for T
= 5V. Limits apply for T
(Note 10)
DD
THD = 1.0%; f = 1kHz; R
THD = 10%; f = 1 kHz; R
42˚C/W
20˚C/W
V
V
Gain with V
Attenuation with V
SE)
V
V
2000V
3˚C/W
IN
shutdown
mute
mute
150˚C
215˚C
220˚C
+0.3V
200V
6.0V
= 0V, I
= 5V, Bridged Mode (BM)
= 5V, Single-Ended Mode (SE)
= V
O
Conditions
DCVol
5
= 0A
(Notes 7, 10)
DD
Conditions
Conditions
A
A
Operating Ratings
θ
θ
θ
DAP) (Note 4)
θ
DAP) (Note 3)
θ
DAP) (Note 5)
θ
DAP) (Note 6)
θ
θ
θ
θ
Temperature Range
Supply Voltage
= 25˚C.
= 25˚C.
= 5V, No Load
JA
JC
JA
JA
JA
JA
JA
JC
JA
JC
DCVol
T
MIN
(typ) — MTC28
(typ) — MXA28A (exposed
(typ) — MXA28A (exposed
(typ) — MXA28A (exposed
(typ) — MXA28A (exposed
(typ) — ITL36AAA
(typ) — GRA49A
(typ) — MXA28A
(typ) — ITL36AAA (Note 16)
(typ) — GRA49A (Note 17)
= 0V (BM &
L
≤ T
L
= 32Ω
= 32Ω
A
≤T
MAX
(Notes 7, 10)
A
(Note 14)
Typical
= 25˚C.
(Note 14)
(Note 14)
85
95
Typical
Typical
0.7
15
LM4838
LM4838
LM4838
(Notes 7, 10)
(Note 15)
4
0.8
(Note 15)
(Note 15)
Limit
−40˚C ≤TA ≤ 85˚C
±
Limit
Limit
2.7V≤ V
-75
-78
-78
2.7
5.5
2.0
0.75
30
www.national.com
DD
100˚C/W
100˚C/W
V (min)
V (max)
80˚C/W
41˚C/W
54˚C/W
59˚C/W
93˚C/W
65˚C/W
54˚C/W
mA (max)
(Limits)
µA (max)
dB (max)
dB (min)
dB (min)
dB (min)
(Limits)
(Limits)
≤ 5.5V
V (max)
2˚C/W
V (min)
Units
Units
Units
mW
mW