LM4946SQ/NOPB National Semiconductor, LM4946SQ/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM4946SQ/NOPB
• Description: IC AUDIO SUBSYSTEM 1.3W D 24LLP
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class Dr

Specifications of LM4946SQ/NOPB

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 1.3W x 1 @ 8 Ohm; 85mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: 3D, Depop, I²C, Mute, Shutdown, SPI, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 24-LLP
• For Use With: LM4946SQEVAL - BOARD EVALUATION LM4946SQ
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4946SQ; LM4946SQTR

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Pin Descriptions
Pin Number (LLP)
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
Bump (Mirco SMD)
C5
C4
D5
D4
D3
D2
D1
C3
C1
C2
B2
A1
A2
A3
A4
A5
B4
B5
B3
E5
E4
E2
E1
B1
E3
I
I
MONO_IN+
MONO_IN-
2
2
CSPI_SEL
RHP3D1
BYPASS
RHP3D2
CSPI_V
LHP3D2
MONO+
LHP3D1
ID_ENB
MONO-
Name
GND
R
GND
GND
L
SDA
SCL
V
V
V
V
R
L
4
OUT
OUT
OC
DD
DD
DD
IN
IN
DD
Description
Left Headphone 3D Input 1
Center Amplifier Output
Voltage Supply
Ground
Right Headphone Output
Left Headphone Output
I
Right Input Channel
Left Input Channel
Data
Clock
Ground
Address Identification/Enable Bar
I
Loudspeaker Output Positive
Voltage Supply
Loudspeaker Output Negative
Left Headphone 3D Input 2
Right Headphone 3D Input 1
Ground
Half-Supply Bypass
Loudspeaker Negative Input
Loudspeaker Positive Input
Right Headphone 3D Input 2
Voltage Supply
2
2
C or SPI Interface Voltage Supply
C or SPI Select