LM4985TM/NOPB National Semiconductor, LM4985TM/NOPB Datasheet - Page 11

• Manufacturer Part Number: LM4985TM/NOPB
• Description: IC AMP AUDIO PWR .135W AB 12USMD
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4985TM/NOPB

• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 135mW x 2 @ 16 Ohm
• Voltage - Supply: 2.3 V ~ 5.5 V
• Features: I²C, Shutdown, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 12-MicroSMD
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 2-Channel Stereo
• Output Power (typ): 135x2@16OhmW
• Audio Amplifier Function: Headphone
• 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: 77dB
• Single Supply Voltage (min): 2.3V
• 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: 12
• For Use With: LM4985TMEVAL - BOARD EVALUATION LM4985TM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4985TMTR

Typical Performance Characteristics
THD+N vs Frequency
THD+N vs Frequency
THD+N vs Frequency
V
V
V
P
P
P
DD
DD
DD
OUT
OUT
OUT
= 2.5V, R
= 5.0V, R
= 3.6V, R
= 20mW, OCL
= 50mW, OCL
= 35mW, OCL
L
L
L
= 16Ω
= 16Ω
= 32Ω
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(Continued)
THD+N vs Frequency
THD+N vs Frequency
THD+N vs Frequency
V
V
V
P
P
P
DD
DD
DD
OUT
OUT
OUT
= 3.6V, R
= 2.5V, R
= 5.0V, R
= 50mW, OCL
= 15mW, OCL
= 60mW, OCL
L
L
L
= 16Ω
= 32Ω
= 32Ω
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