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LM4985TM Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM4985TM
Description  Stereo 135mW Low Noise Headphone Amplifier with Selectable Capacitively Coupled or Output Capacitor-less (OCL) Output and Digitally Controlled (I2C) V
PDF  29 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4985TM Datasheet(HTML) 4 Page - National Semiconductor (TI)

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Connection Diagrams
micro SMD Package
micro SMD Marking
20169715
Top View
Order Number LM4985TM
See NS Package Number TMD12AAA
20169730
Top View
X – Date Code
T – Die Traceability
G – Boomer Family
H2 – LM4985TM
Pin Reference, Name, and Function
Reference
Name
Function
A1
ADR
I
2C serial interface address input.
A2
IN2
Analog signal input two.
A3
OUT2
Power amplifier two output.
B1
SDA
I
2C serial interface data input.
B2
BYPASS
The internal V
DD/2 ac bypass node.
B3
CNTGND
In OCL mode, this is the ac ground
return. It is biased to V
DD/2. Leave
unconnected for C-CUPL mode.
C1
SCL
I2C serial interface clock input.
C2
GND
The LM4985’s power supply ground
input.
C3
V
DD
The LM4985’s power supply voltage
input.
D1
I
2CV
DD
I
2C serial interface power supply
input. Can be connected to the same
supply that is connected to the V
DD
pin.
D2
IN1
Analog signal input one.
D3
OUT1
Power amplifier one output.
www.national.com
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