LM4857SPBD National Semiconductor, LM4857SPBD Datasheet - Page 21

• Manufacturer Part Number: LM4857SPBD
• Description: BOARD EVALUATION LM4857SP
• Manufacturer: National Semiconductor
• Series: Boomer®r

Specifications of LM4857SPBD

• Amplifier Type: Class AB
• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 1.6W x 2 @ 4 Ohm; 75mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Board Type: Fully Populated
• Utilized Ic / Part: LM4857
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Typical Performance Characteristics
Power Dissipation vs Output Power
LHP, RHP; R
LINEOUT; R
Top-V
Frequency vs Response
Mode 10; Full Gain
DD
per channel
= 5V; Bot-V
L
L
= 32Ω; THD+N ≤ 1%
= 5kΩ; C
DD
O
= 2.2µF
= 3V
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Power Dissipation vs Output Power
Power Dissipation vs Output Power
LLS, RLS; R
Top-V
Top-V
EP; R
DD
DD
L
= 32Ω; THD+N ≤ 1%
per channel
= 5V; Bot-V
= 5V; Bot-V
L
= 8Ω; THD+N ≤ 1%
DD
DD
= 3V
= 3V
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