LM4857GR National Semiconductor, LM4857GR Datasheet - Page 17
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
(Note 11) (Continued)
THD+N vs Output Power
THD+N vs Output Power
20079724
20079725
V
= 5V; EP; f = 1kHz; R
= 32Ω;
V
= 3V; EP; f = 1kHz;
DD
L
DD
Mode 1; 0dB Gain; Top-CD4 = 1; Bot-CD4 = 0
R
= 32Ω; Mode 1; 0dB Gain
L
PSRR vs Frequency
PSRR vs Frequency
20079726
20079727
V
= 5V; LLS, RLS; R
= 8Ω; 0db Gain;
V
= 3V; LLS, RLS; R
= 8Ω; 0db Gain;
DD
L
DD
L
All audio inputs terminated
All audio inputs terminated
Top-Mode 12, 13; Mid-Mode 2, 3; Bot-Mode 7, 8
Top-Mode 12, 13; Mid-Mode 2, 3; Bot-Mode 7, 8
17
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