LM49370RLX/NOPB National Semiconductor, LM49370RLX/NOPB Datasheet - Page 80

• Manufacturer Part Number: LM49370RLX/NOPB
• Description: IC AUDIO SUBSYSTEM 1.2W 49USMDXT
• Manufacturer: National Semiconductor
• Series: Boomer®, PowerWise®r
• Type: Class Dr

Specifications of LM49370RLX/NOPB

• Output Type: 1-Channel (Mono) with Mono and Stereo Headphones
• Max Output Power X Channels @ Load: 1.2W x 1 @ 8 Ohm; 52mW x 2 @ 16 Ohm
• Voltage - Supply: 2.5 V ~ 5.5 V
• Features: 3D, Depop, I²C, I²S, Microphone, Mute, PCM, Shutdown, SPI, Standby, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 49-MicroSMDxt
• Operational Class: Class-D
• Single Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (typ): 3/5V
• Supply Current (max): 15.5@3.3VmA
• Power Supply Requirement: Quint
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 86dB
• Single Supply Voltage (min): Not RequiredV
• Single Supply Voltage (max): Not RequiredV
• Dual Supply Voltage (min): 1.8/2.5V
• Dual Supply Voltage (max): 4.5/5.5V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 49
• For Use With: LM49370RLEVAL - BOARD EVALUATION LM49370RL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM49370RLX

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Headphone THD+N vs Output Power
Headphone THD+N vs Output Power
Headphone THD+N vs Output Power
AV
AV
AV
DD
DD
DD
= 3.3V, OCL 1.2V, 12dB AUX
= 3.3V, OCL 1.2V, 12dB AUX
= 5V, OCL 1.2V, 12dB AUX
f
f
f
OUT
OUT
OUT
= 1kHz, 16Ω
= 1kHz, 16Ω
= 1kHz, 32Ω
201917f3
201917f5
201917f7
80
Headphone THD+N vs Output Power
Headphone THD+N vs Output Power
Headphone THD+N vs Output Power
AV
AV
AV
DD
DD
DD
= 3.3V, OCL 1.2V, 0dB AUX
= 5V, OCL 1.2V, 0dB AUX
= 5V, OCL 1.2V, 0dB AUX
f
f
f
OUT
OUT
OUT
= 1kHz, 16Ω
= 1kHz, 32Ω
= 1kHz, 32Ω
201917f4
201917f6
201917f8