LM4985TM/NOPB National Semiconductor, LM4985TM/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM4985TM/NOPB
• Description: IC AMP AUDIO PWR .135W AB 12USMD
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4985TM/NOPB

• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 135mW x 2 @ 16 Ohm
• Voltage - Supply: 2.3 V ~ 5.5 V
• Features: I²C, Shutdown, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 12-MicroSMD
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 2-Channel Stereo
• Output Power (typ): 135x2@16OhmW
• Audio Amplifier Function: Headphone
• 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: 77dB
• Single Supply Voltage (min): 2.3V
• 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: 12
• For Use With: LM4985TMEVAL - BOARD EVALUATION LM4985TM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4985TMTR

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Connection Diagrams
See NS Package Number TMD12AAA
Reference
Order Number LM4985TM
micro SMD Package
A1
A2
A3
B1
B2
B3
C1
C2
C3
D1
D2
D3
Top View
Pin Reference, Name, and Function
20169715
CNTGND
BYPASS
I
Name
4
OUT2
2
OUT1
GND
ADR
SDA
SCL
V
CV
IN2
IN1
DD
DD
micro SMD Marking
T – Die Traceability
G – Boomer Family
H2 – LM4985TM
X – Date Code
Function
I
Analog signal input two.
Power amplifier two output.
I
The internal V
In OCL mode, this is the ac ground
return. It is biased to V
unconnected for C-CUPL mode.
I2C serial interface clock input.
The LM4985’s power supply ground
input.
The LM4985’s power supply voltage
input.
I
input. Can be connected to the same
supply that is connected to the V
pin.
Analog signal input one.
Power amplifier one output.
2
2
2
C serial interface address input.
C serial interface data input.
C serial interface power supply
Top View
DD
/2 ac bypass node.
20169730
DD
/2. Leave
DD