LM4938MHX/NOPB National Semiconductor, LM4938MHX/NOPB Datasheet - Page 25

• Manufacturer Part Number: LM4938MHX/NOPB
• Description: IC AMP AUDIO PWR 2.2W AB 28TSSOP
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4938MHX/NOPB

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 2.2W x 2 @ 3 Ohm; 92mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Bass Boost, Depop, Mute, Shutdown, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 2-Channel Stereo
• Audio Amplifier Function: Headphone/Speaker
• Total Harmonic Distortion: 0.05@8Ohm@400mW%
• 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: 78dB
• 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: -20C to 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 28
• Package Type: TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4938MHX

Item
1
10
20
25
26
27
28
29
30
31
32
33
40
41
42
43
44
45
Part Number
551011373-001
482911373-001
151911368-001
152911368-001
152911368-002
152911368-003
152911368-004
152911368-005
472911368-001
472911368-002
472911368-003
472911368-004
131911368-001
131911368-002
131911368-003
131911368-004
131911368-005
131911368-006
Analog Audio LM4938 TSSOP Eval Board
Assembly Part Number: 980011373-100
Part Description
LM4938 Eval Board PCB
etch 001
LM4938 TSSOP
Cer Cap 0.068µF 50V
10% 1206
Tant Cap 0.1µF 10V 10%
Size = A 3216
Tant Cap 0.33µF 10V
10% Size = A 3216
Tant Cap 1µF 16V 10%
Size = A 3216
Tant Cap 10µF 10V 10%
Size = C 6032
Tant Cap 220µF 16V 10%
Size = D 7343
Res 1.5K Ohm 1/8W
1% 1206
Res 20K Ohm 1/8W
1% 1206
Res 100K Ohm 1/8W
1% 1206
Res 200K Ohm 1/16W
1% 0603
Stereo Headphone Jack
W/ Switch
Slide Switch
Potentiometer
RCA Jack
Banana Jack, Black
Banana Jack, Red
Bill of Material
Revision: A
25
Qty
1
1
2
3
3
3
1
2
2
10
2
2
1
4
1
3
3
3
Ref Designator
CBS
CS, CS, CV
CIN
CB, CO1, CO2
CS1
CoutL, R
RL
RIN(4), RF(2),
RDOCK(2),
RBS(2)
RPU, RS
RBEEP
mute, mode, Gain,
SD
Volume Control
Right-In, Beep-In,
Left-In
Remark
Mouser #
161-3500
Mouser #
10SP003
Mouser #
317-2090-100K
Mouser #
16PJ097
Mouser #
ME164-6219
Mouser #
ME164-6218
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