LM4854LD National Semiconductor, LM4854LD Datasheet - Page 16

• Manufacturer Part Number: LM4854LD
• Manufacturer: National Semiconductor

Specifications of LM4854LD

• Operational Class: Class-AB
• Audio Amplifier Function: Headphone/Speaker
• Total Harmonic Distortion: 0.3@32Ohm@50mW%
• 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: 71dB
• Single Supply Voltage (min): 2.4V
• 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: 14
• Package Type: LLP
• Lead Free Status / Rohs Status: Not Compliant

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