LM4946SQ/NOPB National Semiconductor, LM4946SQ/NOPB Datasheet - Page 11

• Manufacturer Part Number: LM4946SQ/NOPB
• Description: IC AUDIO SUBSYSTEM 1.3W D 24LLP
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class Dr

Specifications of LM4946SQ/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: 24-LLP
• For Use With: LM4946SQEVAL - BOARD EVALUATION LM4946SQ
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4946SQ; LM4946SQTR

Typical Performance Characteristics
V
V
V
DD
DD
DD
Mode 6, OCL, BW = 80kHz
Mode 1, BTL, BW = 80kHz
= 3.3V, R
= 3.3V, R
= 3.3V, R
Mode 6, SE, BW = 80kHz
THD+N vs Frequency
THD+N vs Frequency
THD+N vs Frequency
L
L
L
= 8Ω, P
= 32Ω, P
= 32Ω, P
O
O
O
= 250mW
= 12mW
= 12mW
20162826
20162834
201628e4
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V
V
V
DD
DD
DD
Mode 4, 7, OCL, BW = 80kHz
Mode 4, 7, SE, BW = 80kHz
Mode 5, BTL, BW = 80kHz
= 3.3V, R
= 3.3V, R
= 3.3V, R
THD+N vs Frequency
THD+N vs Frequency
THD+N vs Frequency
L
L
L
= 32Ω, P
= 32Ω, P
= 8Ω, P
O
O
O
= 250mW
= 12mW
= 12mW
201628e3
20162832
20162827
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