LM4854IBL/NOPB National Semiconductor, LM4854IBL/NOPB Datasheet - Page 17

• Manufacturer Part Number: LM4854IBL/NOPB
• Description: IC AMP AUDIO PWR 2.3W AB 12USMD
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4854IBL/NOPB

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 2.3W x 1 @ 3.2 Ohm; 200mW x 2 @ 16 Ohm
• Voltage - Supply: 2.4 V ~ 5.5 V
• Features: Depop, Shutdown, Standby, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 12-MicroSMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4854IBL; LM4854IBLTR

Typical Performance Characteristics
(from top to bottom at 12Ω):
LM4854IBL/MT, BTL Load,
R
V
V
V
V
L
DD
LM4854MT, V
DD
DD
DD
vs Load Resistance
= 8Ω (BTL), f
Power Dissipation
= 5V, THD+N = 10%;
= 3V, THD+N = 10%
Derating Curve
Output Power
= 5V, THD+N = 1%
= 3V, THD+N = 1%
DD
IN
= 5V,
= 1kHz
200382D2
200382E7
17
(Continued)
LM4854IBL/MT, SE Load (both channels driven and
R
f
L
IN
= 16Ω (SE), R
= 1kHz, (from top to bottom at 12Ω):
both channels driven and loaded
(from top to bottom at 0.02W):
Amplifier Power Dissipation
vs Load Power Dissipation
LM4854IBL/MT, V
V
V
V
V
DD
DD
DD
DD
vs Load Resistance
= 5V, THD+N = 10%;
= 3V, THD+N = 10%
Output Power
= 5V, THD+N = 1%
= 3V, THD+N = 1%
loaded),
L
= 32Ω (SE), f
DD
= 3V,
IN
= 1kHz,
200382D3
200382C9
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