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LM4982 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM4982
Description  Ground-Referenced, Ultra Low Noise, 80mW Stereo Headphone Amplifier with IntelliSense and I2C Volume
PDF  21 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4982 Datasheet(HTML) 3 Page - National Semiconductor (TI)

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background image
Connection Diagrams
micro SMD Package
micro SMD Marking
20161459
Top View
Order Number LM4982TL
20161401
Top View
XY - Date Code
TT - Lot Traceability
GG3 – LM4982
See NS Package Number LM4982TL
Pin Descriptions
Pin Designator
Pin Name
Pin Function
A1
SGND
Amplifier ground
A2
HPE
Headphone sende input
A3
PV
DD
Charge pump / digital power supply
A4
C
CP+
Charge pump fly capacitor positive side
B1
OUT_L
Left channel output
B2
IN_L
Left channel input
B3
I
2C_V
DD
I
2C power supply
B4
PGND
Charge pump / digital ground
C1
SV
SS
Amplifier negative supply
C2
IN_R
Right channel input
C3
SCL
I
2C SCL line
C4
C
CP-
Charge pump fly capacitor negative side
D1
OUT_R
Right channel output
D2
SV
DD
Amplifier positive supply
D3
SDA
I
2C SDA line
D4
CP
OUT
Charge pump power output
www.national.com
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