LM4859SP National Semiconductor, LM4859SP Datasheet - Page 16

• Manufacturer Part Number: LM4859SP
• Description: Audio Amp Headphone/Speaker 2-CH Stereo 1.6W Class-AB 28-Pin LLP EP T/R
• Manufacturer: National Semiconductor

Specifications of LM4859SP

• Package: 28LLP EP
• Function: Headphone/Speaker
• Amplifier Type: Class-AB
• Total Harmonic Distortion Noise: 0.04@32Ohm@15mW|0.05@8Ohm@400mW %
• Typical Psrr: 86 dB
• Output Signal Type: Differential|Single
• Output Type: 2-Channel Stereo
• Maximum Input Offset Voltage: 40@5V mV
• Maximum Load Resistance: 32 Ohm

Typical Performance Characteristics
(Note 11) (Continued)
Power Dissipation vs Output Power
Power Dissipation vs Output Power
20106145
20106146
= 32Ω; THD+N ≤ 1%
= 8Ω; THD+N ≤ 1%
LLS, RLS; R
LHP, RHP; R
L
L
Top-V
= 5V; Bot-V
= 3V
Top-V
= 5V; Bot-V
= 3V
DD
DD
DD
DD
per channel
per channel
Output Power vs Load Resistance
Output Power vs Load Resistance
20106148
20106149
LLS, RLS; R
= 8Ω;
LHP, RHP; R
= 32Ω;
L
L
Top-V
= 5V, 10% THD+N; Topmid-V
= 5V, 1% THD+N;
Top-V
= 5V, 10% THD+N; Topmid-V
= 5V, 1% THD+N;
DD
DD
DD
DD
Botmid-V
= 3V, 10% THD+N; Bot-V
= 3V, 1% THD+N
Botmid-V
= 3V, 10% THD+N; Bot-V
= 3V, 1% THD+N
DD
DD
DD
DD
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