LM4938MH/NOPB National Semiconductor, LM4938MH/NOPB Datasheet - Page 10

• Manufacturer Part Number: LM4938MH/NOPB
• Description: IC AMP AUDIO PWR 2.2W AB 28TSSOP
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4938MH/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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM4938MH; *LM4938MH/NOPB; LM4938MH

www.national.com
Typical Performance Characteristics
V
DD
V
DD
V
= 5V, R
DD
= 3V, R
Frequency Response
Frequency Response
= 5V, R
PSRR vs Frequency
L
L
= 32Ω, P
L
= 8Ω, Unterminated
= 4Ω, P
O
= 30mW, SE
O
= 1.5W
20095644
20095646
20095648
10
(Continued)
V
V
DD
V
DD
DD
= 3V, R
= 3V, R
Frequency Response
PSRR vs Frequency
PSRR vs Frequency
= 5V, R
L
L
= 32Ω, Terminated
L
= 8Ω, Terminated
= 8Ω, P
O
= 1W
20095645
20095647
20095650