LM4857GR National Semiconductor, LM4857GR Datasheet - Page 28

• 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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Application Information
M - M
L - L
R - R
G
G
G
SD - Shutdown
MUTE - Mute
Mode CD3
M
L
R
10
11
12
13
14
15
- Left Stereo Volume Control Gain
0
1
2
3
4
5
6
7
8
9
- Right Stereo Volume Control Gain
- Mono Volume Control Gain
IN
IN
IN
Input Level
Input Level
Input Level
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
RD5
CD5
LD5
CD2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
CD1 CD0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
(G
(G
+(G
+(G
Line Out
(G
(G
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
Mono
M
L
M
R
SD
L
R
x L) +
x M)
x M)
x R)
x L)
x R)
TABLE 5. Mixer and Output Mode Control
(Continued)
0
1
0
1
0
1
TABLE 6. National 3D Enhancement
(G
(CD4 = 0)
(G
(G
(G
(G
(G
TABLE 7. Wake-up Time Select
Mono Earpiece
M
L
L
M
R
R
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
x L) +
x M) +
x L) +
x M)
x R)
x R)
+2(G
(CD4 =
2(G
2(G
2(G
2(G
2(G
M) +
L) +
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
M)
R)
R)
1)
L)
M
M
28
R
L
L
R
x
x
x
x
x
x
Loudspeaker
2(G
2(G
Loudspeaker National 3D Off
Loudspeaker National 3D On
Headphone National 3D Off
Headphone National 3D On
Fast Wake-up Setting
Slow Wake-up Setting
2(G
2(G
2(G
2(G
2(G
2(G
L
L
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
M
M
M
M
L
L
L
x L) +
x L) +
x M)
x M)
x L)
x L)
x M)
x M)
Loudspeaker
2(G
2(G
2(G
2(G
2(G
2(G
2(G
2(G
R
R
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
M
M
M
M
R
R
R
x R) +
x R) +
x M)
x M)
x R)
x R)
x M)
x M)
Headphone
(G
(G
(G
(G
(G
(G
(G
(G
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
L
L
M
M
M
M
SD
L
L
x L) +
x L) +
L
x M)
x M)
x L)
x L)
x M)
x M)
Headphone
(G
(G
(G
(G
(G
(G
(G
(G
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
R
R
M
M
M
M
R
R
SD
R
x R) +
x R) +
x M)
x M)
x R)
x R)
x M)
x M)