LM4857GR National Semiconductor, LM4857GR Datasheet - Page 14

• 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

www.national.com
Typical Performance Characteristics
R
L
V
= 32Ω; Mode 1; 0dB Gain, CD4 = 0
DD
R
V
L
= 5V; LHP, RHP; P
DD
= 32Ω; Mode 9; 0dB Gain
THD+N vs Frequency
THD+N vs Frequency
= 5V; EP; P
O
= 15mW;
O
= 15mW;
20079712
20079714
(Note 11) (Continued)
14
R
L
V
= 32Ω; Mode 1; 0dB Gain, CD4 = 0
DD
R
V
L
= 3V; LHP, RHP; P
DD
= 32Ω; Mode 9; 0dB Gain
THD+N vs Frequency
THD+N vs Frequency
= 3V; EP; P
O
= 10mW;
O
= 10mW;
20079713
20079715