LM4920TL National Semiconductor, LM4920TL Datasheet - Page 3

• Manufacturer Part Number: LM4920TL
• Manufacturer: National Semiconductor

Specifications of LM4920TL

• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 2-Channel Stereo
• Output Power (typ): 0.08x2@16OhmW
• Audio Amplifier Function: Headphone
• Total Harmonic Distortion: 0.04@16Ohm@60mW%
• Single Supply Voltage (typ): 3V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 70dB
• Single Supply Voltage (min): 1.6V
• Single Supply Voltage (max): 4.2V
• 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: 14
• Lead Free Status / Rohs Status: Not Compliant

Connection Diagrams
Pin Descriptions
Pin
A1
A2
A3
A4
B1
B2
B4
C1
C2
C4
D1
D2
D3
D4
See NS Package Number TLE1411A
Order Number LM4920TL
microSMD Package
Top View
Name
R_IN
SGND
CPV
C
SD_RC
SD_LC
PGND
L_IN
R_OUT
C
+AV
L_OUT
-AV
V
CP_OUT
CP+
CP-
DD
DD
DD
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3
Function
Right Channel Input
Signal Ground
Charge Pump Power Supply
Positive Terminal - Charge Pump Flying Capacitor
Active-Low Shutdown, Right Channel
Active-Low Shutdown, Left Channel
Power Ground
Left Channel Input
Right Channel Input
Negative Terminal - Charge Pump Flying Capacitor
Positive Power Supply - Amplifier
Left Channel Output
Negative Power Supply - Amplifier
Charge Pump Power Output
14 – Bump TL Marking
TT – Lot Traceability
G – Boomer Family
XY – Date Code
H4 – LM4920TL
Top View
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