LM4854LD National Semiconductor, LM4854LD Datasheet - Page 17

• 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

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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