LM4946SQ National Semiconductor, LM4946SQ Datasheet - Page 4

• Manufacturer Part Number: LM4946SQ
• Description: IC,Audio Amplifier,TRIPLE,LLCC,24PIN,PLASTIC
• Manufacturer: National Semiconductor

Specifications of LM4946SQ

• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono/2-Channel Stereo
• Audio Amplifier Function: Headphone/Speaker
• Total Harmonic Distortion: 0.05%%
• Single Supply Voltage (typ): 3/5V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 72dB
• Single Supply Voltage (min): 2.7V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 24
• Package Type: LLP EP
• Lead Free Status / Rohs Status: Not Compliant

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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