LM4857SP/NOPB National Semiconductor, LM4857SP/NOPB Datasheet - Page 3

• Manufacturer Part Number: LM4857SP/NOPB
• Description: IC AUDIO SUBSYSTEM W/3D AB 28LLP
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4857SP/NOPB

• 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: 28-LLP
• Operational Class: Class-AB
• Input Offset Voltage: 40@5VmV
• Single Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (typ): 3/5V
• Supply Current (max): 21@5VmA
• Power Supply Requirement: Dual
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 86dB
• Single Supply Voltage (min): Not RequiredV
• Single Supply Voltage (max): Not RequiredV
• Dual Supply Voltage (min): 2.5/2.7V
• Dual Supply Voltage (max): 5.5V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 28
• For Use With: LM4857SPBD - BOARD EVALUATION LM4857SP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4857SP; LM4857SPTR

Connection Diagrams
Pin Connection (ITL)
See NS Package Number TLA30CZA
A1
A2
A3
A4
A5
B1
B2
B3
B4
B5
C1
C2
C3
C4
C5
D1
D2
D3
D4
D5
E1
E2
E3
E4
E5
F1
F2
F3
F4
F5
Order Number LM4857ITL
30 Bump ITL Package
(Bump-side down)
Pin
Top View
RLS+
V
SDA
RHP3D
RHP
GND
I
ADR
LHP3D
V
RLS-
NC
SCL
LINEOUT
GND
LLS-
V
M
NC
EP+
GND
BYPASS
LLS3D
R
EP-
LLS+
V
RLS3D
L
LHP
2
IN
DD
DD
DD
DD
CV
IN
IN
DD
200797A9
Name
3
Right Loudspeaker Positive Output
Power Supply
Data
Right Headphone 3D
Right Headphone Output
Ground
I
I
Left Headphone 3D
Power Supply
Right Loudspeaker Negative Output
No Connect
Clock
Mono Line Output
Ground
Left Loudspeaker Negative Output
Power Supply
Mono Input
No Connect
Mono Earpiece Positive Output
Ground
Half-supply bypass
Left Loudspeaker 3D
Right Stereo Input
Mono Earpiece Negative Output
Left Loudspeaker Positive Output
Power Supply
Right Loudspeaker 3D
Left Stereo Input
Left Headphone Output
2
2
C Interface Power Supply
C Address Select
Pin Description
T — Die Traceability
G — Boomer Family
micro SMD Marking
C2 — LM4857ITL
X — Date Code
Top View
200797I3
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