LM4951A datasheet(10/23 Pages) TI1

部品番号	LM4951A

部品情報	Wide Voltage Range 1.8 Watt Audio Amplifier With Short Circuit Protection

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LM4951A

SNAS453B – AUGUST 2008 – REVISED SEPTEMBER 2008

www.ti.com

Typical Performance Characteristics (continued)

Power Dissipation

vs Output Power

VDD = 3.3V, RL = 8Ω, f = 1kHz

VDD = 7.5V, RL = 8Ω, f = 1kHz

Figure 27.

Figure 28.

Clipping Voltage vs Supply Voltage

Supply Current

RL = 8Ω,

vs Supply Voltage

from top to bottom: Negative Voltage Swing; Positive

RL = 8Ω, VIN = 0V, Rsource = 50Ω

Voltage Swing

Figure 29.

Figure 30.

Output Power vs Supply Voltage

Output Power vs Load Resistance

RL = 8Ω,

VDD = 3.3V, f = 1kHz

from top to bottom: THD+N = 10%, THD+N = 1%

Figure 31.

Figure 32.

10

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