LM4857GR National Semiconductor, LM4857GR Datasheet - Page 4

• 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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Connection Diagrams
Pin Connection (GR)
See NS Package Number GRA49A
A1
A2
A3
A4
A5
A6
A7
B1
B2
B3
B4
B5
B6
B7
C1
C2
C3, C4, C5
C6
C7
D1
D2, D3, D4, D5
D6
D7
E1
E2
E3, E4, E5
Order Number LM4857GR
49 Bump GR Package
(Bump-side down)
Pin
Top View
NC
LHP3D
SCL
ADR
I
RLS-
RLS-
RHP
NC
RHP3D
SDA
VDD
GND
GND
LINEOUT
VDD
NC
RLS+
RLS+
GND
NC
LLS+
VDD
EP-
EP+
NC
2
CV
DD
Name
200797I4
4
No Connect
Left Headphone 3D
Clock
I
I
Right Loudspeaker Negative Output
Right Loudspeaker Negative Output
Right Headphone Output
No Connect
Right Headphone 3D
Data
Power Supply
Ground
Ground
Mono Line Output
Power Supply
No Connect
Right Loudspeaker Positive Output
Right Loudspeaker Positive Output
Ground
No Connect
Left Loudspeaker Positive Output
Power Supply
Mono Earpiece Negative Output
Mono Earpiece Positive Output
No Connect
2
2
C Address Select
C Interface Power Supply
Pin Description
T — Die Traceability
G — Boomer Family
micro Array Marking
C2 — LM4857GR
X — Date Code
Top View
200797I3