LM4857GR National Semiconductor, LM4857GR Datasheet - Page 16

• Manufacturer Part Number: LM4857GR
• Description: IC AUDIO SUBSYSTEM W/3D 49UBGA
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4857GR

• Output Type: 2-Channel (Stereo) with Mono and Stereo Headphones
• Max Output Power X Channels @ Load: 1.6W x 2 @ 4 Ohm; 75mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: 3D, Depop, I²C, Mute, Shutdown, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 49-Micro-array
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LM4857GRTR

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Typical Performance Characteristics
V
V
R
DD
DD
R
L
THD+N vs Output Power
THD+N vs Output Power
L
= 32Ω; Mode 9; 0dB Gain
= 5V; LHP, RHP; f = 1kHz;
= 5V; LLS, RLS; f = 1kHz;
= 8Ω; Mode 7; 0dB Gain
20079720
20079722
(Note 11) (Continued)
16
V
V
R
DD
DD
R
L
THD+N vs Output Power
THD+N vs Output Power
L
= 32Ω; Mode 9; 0dB Gain
= 3V; LHP, RHP; f = 1kHz;
= 3V; LLS, RLS; f = 1kHz;
= 8Ω; Mode 7; 0dB Gain
20079721
20079723