LM4857ITLBD National Semiconductor, LM4857ITLBD Datasheet - Page 16

• Manufacturer Part Number: LM4857ITLBD
• Description: BOARD EVALUATION LM4857ITL
• Manufacturer: National Semiconductor
• Series: Boomer®r

Specifications of LM4857ITLBD

• 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

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Typical Performance Characteristics
Top-Mode 12, 13; Mid-Mode 2, 3; Bot-Mode 7, 8
Mode 1; 0dB Gain; Top-CD4 = 1; Bot-CD4 = 0
V
DD
V
DD
= 5V; LLS, RLS; R
All audio inputs terminated
= 5V; EP; f = 1kHz; R
THD+N vs Output Power
PSRR vs Frequency
L
= 8Ω; 0db Gain;
L
= 32Ω;
20079724
20079726
(Note 11) (Continued)
16
Top-Mode 12, 13; Mid-Mode 2, 3; Bot-Mode 7, 8
V
DD
= 3V; LLS, RLS; R
R
All audio inputs terminated
L
THD+N vs Output Power
V
= 32Ω; Mode 1; 0dB Gain
DD
PSRR vs Frequency
= 3V; EP; f = 1kHz;
L
= 8Ω; 0db Gain;
20079725
20079727