LM4854 National Semiconductor, LM4854 Datasheet - Page 16

• Manufacturer Part Number: LM4854
• Description: 1.9W Monaural/ 85mW Stereo Headphone Audio Amplifier
• Manufacturer: National Semiconductor

www.national.com
Typical Performance Characteristics
R
L
= 16Ω (SE), R
both channels driven and loaded
4in
1in
(from top to bottom at 0.04W):
(from top to bottom at 120˚C):
Amplifier Power Dissipation
vs Load Power Dissipation
R
2
2
LM4854IBL/MT, V
L
copper plane heatsink area
copper plane heatsink area
LM4854LD, V
= 8Ω (BTL), f
Power Dissipation
Derating Curves
L
= 32Ω (SE), f
DD
IN
DD
= 1kHz,
= 5V,
= 5V,
IN
= 1kHz,
200382C7
200382E9
16
(Continued)
Amplifier Power Dissipation
vs Load Power Dissipation
LM4854IBL/MT, V
R
R
L
L
LM4854IBL, V
= 8Ω (BTL), f
= 8Ω (BTL), f
Power Dissipation
Derating Curve
DD
IN
IN
DD
= 1kHz
= 1kHz
= 5V,
= 3V,
200382E6
200382C8