LM4946TMX/NOPB National Semiconductor, LM4946TMX/NOPB Datasheet - Page 15

• Manufacturer Part Number: LM4946TMX/NOPB
• Description: IC AUDIO SUBSYSTEM 1.3W D 25USMD
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class Dr

Specifications of LM4946TMX/NOPB

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 1.3W x 1 @ 8 Ohm; 85mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: 3D, Depop, I²C, Mute, Shutdown, SPI, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 25-MicroSMD
• Operational Class: Class-AB
• Audio Amplifier Function: Headphone/Speaker
• 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: 72dB
• Single Supply Voltage (min): 2.7V
• 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: 25
• Package Type: uSMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4946TMX

V
V
V
DD
DD
Mode 6, Stereo Input, OCL
DD
THD+N vs Output Power
THD+N vs Output Power
THD+N vs Output Power
= 3.3V, R
= 3.3V, R
= 5V, R
Mode 6, SE
Mode 2, SE
L
L
L
= 32Ω, f = 1kHz
= 32Ω, f = 1kHz
= 32Ω, f = 1kHz
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V
V
V
DD
DD
DD
Mode 6, Mono Input, OCL
THD+N vs Output Power
THD+N vs Output Power
THD+N vs Output Power
= 3.3V, R
= 3.3V, R
= 3.3V, R
Mode 2, OCL
Mode 3, BTL
L
L
L
= 32Ω, f = 1kHz
= 32Ω, f = 1kHz
= 8Ω, f = 1kHz
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