LM4890ITPX National Semiconductor, LM4890ITPX Datasheet - Page 16

• Manufacturer Part Number: LM4890ITPX
• Manufacturer: National Semiconductor

Specifications of LM4890ITPX

• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono
• Output Power (typ): 1x1@8OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.1@8Ohm@400mW%
• 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: 66dB
• Single Supply Voltage (min): 2.2V
• 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: 8
• Package Type: uSMD
• Lead Free Status / RoHS Status: Not Compliant

www.national.com
Typical Performance Characteristics
Capacitance to gnd on each output
V
Open Loop Frequency Response
DD
Gain / Phase Response, A
Phase Margin vs C
= 5V, 8Ω Load, C
V
V
DD
DD
= 5V, No Load
= 5V, 8Ω Load
LOAD
LOAD
, A
= 500pF
V
V
= 2
= 2
200192A5
20019281
200192B2
16
(Continued)
Capacitance to gnd on each output
V
Open Loop Frequency Response
DD
Gain / Phase Response, A
Phase Margin vs C
= 5V, 8Ω Load, C
V
V
DD
DD
= 3V, No Load
= 5V, 8Ω Load
LOAD
LOAD
, A
= 500pF
V
V
= 4
= 4
200192A6
20019282
200192B3