LM4857GR National Semiconductor, LM4857GR Datasheet - Page 21

• 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

Typical Performance Characteristics
LHP, RHP; R
EP; R
Top-CD4 = 1; Bot-CD4 = 0
Frequency vs Response
Frequency vs Response
L
Mode 4; Full Gain
= 32Ω; Mode 1; Full Gain
L
= 32Ω; C
O
= 100µF
20079740
20079742
(Note 11) (Continued)
21
LHP, RHP; R
LINEOUT; R
Frequency vs Response
Frequency vs Response
Mode 9; Full Gain
Mode 5; Full Gain
L
L
= 32Ω; C
= 5kΩ; C
O
O
= 2.2µF
= 100µF
20079741
20079743
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