LM4947TL/NOPB National Semiconductor, LM4947TL/NOPB Datasheet - Page 24

• 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

Output Power vs Supply Voltage
Output Power vs Supply Voltage
= 32Ω, Mode 7, OCL
= 32Ω, Mode 7, SE
R
R
L
L
20173590
20173591
Efficiency vs Output Power
Efficiency vs Output Power
= 8Ω, Mode 1, 3, 5, BTL
= 8Ω, Mode 1, 3, 5, BTL
V
= 3.3V, R
V
= 5V, R
DD
L
DD
L
20173513
201735c6
www.national.com
24