LM4857SP/NOPB National Semiconductor, LM4857SP/NOPB Datasheet - Page 5

• 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

Pin Connection (SP)
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
RHP
V
LINEOUT
GND
EP-
EP+
LHP
RIN
LIN
MIN
LLS3D
RLS3D
BYPASS
V
LLS+
GND
LLS-
V
RLS-
GND
RLS+
V
I
SDA
ADR
SCL
RHP3D
LHP3D
2
DD
DD
DD
DD
CV
Name
DD
5
Right Headphone Output
Power Supply
Mono Line Output
Ground
Mono Earpiece Negative Output
Mono Earpiece Positive Output
Left Headphone Output
Right Stereo Input
Left Stereo Input
Mono Input
Left Loudspeaker 3D
Right Loudspeaker 3D
Half-supply bypass
Power Supply
Left Loudspeaker Positive Output
Ground
Leftt Loudspeaker Negative Output
Power Supply
Right Loudspeaker Negative Output
Ground
Right Loudspeaker Positive Output
Power Supply
I
Data
I
Clock
Right Headphone 3D
Left Headphone 3D
2
2
C Interface Power Supply
C Address Select
Pin Description
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