LM4838MTX/NOPB National Semiconductor, LM4838MTX/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM4838MTX/NOPB
• Description: IC AMP AUDIO PWR 2.2W AB 28TSSOP
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4838MTX/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-TSSOP
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 2-Channel Stereo
• Audio Amplifier Function: Headphone/Speaker
• Total Harmonic Distortion: 0.3@8Ohm@1W%
• 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: 74dB
• Single Supply Voltage (min): 2.7V
• 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: 28
• Package Type: TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4838MTX

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Connection Diagrams
Designator
Pin
7
6
5
4
3
2
1
Right Out +
Right Out -
Right Out -
Shutdown
Mode
VDD
GND
A
Right Gain 1
Right Gain 2
Right Out +
Gain Select
GND
Mute
VDD
B
See NS Package Number GRA49A
49 Bump LM4838GR Pinout Table
49 Bump micro Array Marking
NS - Standard National Logo
Order Number LM4838GR
Z - Assembly Plant Code
TT - Dierun Traceability
DC Vol
L4838GR - LM4838GR
49 Bump micro Array
XY - 2 Digit Datecode
GND
GND
GND
GND
GND
VDD
U - Wafer Fab Code
C
Top View
Top View
4
Bypass
GND
GND
GND
GND
GND
GND
20013343
D
20013344
Right Dock
HP Sense
Right In
GND
GND
GND
GND
E
Left Gain 2
Left Out +
Left Out -
Beep In
Left In
GND
GND
F
Left Gain 1
Left Out +
Left Out -
Left Dock
GND
VDD
VDD
G