LM4857GR National Semiconductor, LM4857GR Datasheet - Page 13
LM4857GR
Manufacturer Part Number
LM4857GR
Description
IC AUDIO SUBSYSTEM W/3D 49UBGA
Manufacturer
National Semiconductor
Series
Boomer®r
Type
Class ABr
Datasheet
1.LM4857GR.pdf
(40 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Typical Performance Characteristics
LM4857SP THD+N vs Output Power
V
DD
V
R
R
DD
= 5V; LLS, RLS; P
L
L
THD+N vs Frequency
= 5V; LLS, RLS; f = 1kHz;
= 4Ω; Mode 7; 0dB Gain
= 8Ω; Mode 7; 0dB Gain
O
= 400mW;
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(Note 11) (Continued)
13
LM4857SP THD+N vs Output Power
V
DD
V
DD
R
R
= 3V; LLS, RLS; P
L
L
THD+N vs Frequency
= 3V; LLS, RLS; f = 1kHz;
= 4Ω; Mode 7; 0dB Gain
= 8Ω; Mode 7; 0dB Gain
O
= 200mW;
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20079758
20079711