LM4890M National Semiconductor, LM4890M Datasheet - Page 7

• Manufacturer Part Number: LM4890M
• Description: 74C4636
• Manufacturer: National Semiconductor

Specifications of LM4890M

• 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
• Unity Gain Bandwidth Product (typ): 2.5MHz
• 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: SOIC N
• Amplifier Class: AB
• No. Of Channels: 1
• Output Power: 1W
• Supply Voltage Range: 2.2V To 5.5V
• Load Impedance: 8ohm
• Operating Temperature Range: -40°C To +85°C
• Amplifier Case Style: SOIC
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Not Compliant

Typical Performance Characteristics
at V
@
V
DD
DD
= 5V, 8Ω R
= 2.6V, R
THD+N vs Frequency
THD+N vs Frequency
L
L
= 8Ω, PWR = 100mW, A
, and PWR = 250mW, A
at V
DD
20019237
20019239
= 3V, R
V
V
THD+N vs Frequency
= 2
= 2
L
= 8Ω, PWR = 250mW, A
7
at V
@
V
DD
DD
= 3.3V, 8Ω R
= 2.6V, R
20019290
V
= 2
THD+N vs Frequency
THD+N vs Frequency
L
= 4Ω, PWR = 100mW, A
L
, and PWR = 150mW, A
20019238
20019240
V
www.national.com
V
= 2
= 2