LM4947TL/NOPB National Semiconductor, LM4947TL/NOPB Datasheet - Page 11

• Manufacturer Part Number: LM4947TL/NOPB
• Description: IC AUDIO SUBSYSTM 1.19W D 25USMD
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class Dr

Specifications of LM4947TL/NOPB

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 1.19W x 1 @ 8 Ohm; 87mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: 3D, Depop, Differential Inputs, I²C, Mute, Shutdown, SPI, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 25-MicroSMD
• Amplifier Class: D
• No. Of Channels: 3
• Output Power: 2.5W
• Supply Voltage Range: 2.7V To 5.5V
• Load Impedance: 32ohm
• Operating Temperature Range: -40°C To +85°C
• Amplifier Case Style: SMD
• Rohs Compliant: Yes
• For Use With: LM4947TLEVAL - BOARD EVALUATION LM4947TL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4947TLTR

Typical Performance Characteristics
V
DD
V
V
= 3.3V, R
DD
DD
THD+N vs Output Power
THD+N vs Output Power
THD+N vs Output Power
= 3.3V, R
= 3.3V, R
Mode 1, MONO
Mode 5, MONO
Mode 2, SE
L
= 32Ω, f = 1kHz, Diff In
L
L
= 8Ω, f = 1kHz
= 8Ω, f = 1kHz
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V
V
DD
DD
V
= 3.3V, R
= 3.3V, R
DD
THD+N vs Output Power
THD+N vs Output Power
THD+N vs Output Power
= 3.3V, R
Mode 3, MONO
Mode 2, OCL
Mode 4, OCL
L
L
= 32Ω, f = 1kHz, Diff In
= 32Ω, f = 1kHz, Diff In
L
= 8Ω, f = 1kHz
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