LM4857SPBD National Semiconductor, LM4857SPBD Datasheet - Page 23

• 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
(Note 11) (Continued)
Output Power vs Supply Voltage
Output Power vs Supply Voltage
20079752
20079753
LLS, RLS; R
= 8Ω;
LHP, RHP; R
= 32Ω;
L
L
Top–10% THD+N; Bot–1% THD+N
Top–10% THD+N; Bot–1% THD+N
Output Power vs Supply Voltage
20079754
EP; R
= 32Ω;
L
Top–10% THD+N; CD4 = 1; Topmid–1% THD+N, CD4 = 1
Botmid–10% THD+N; CD4 = 0; Bot–1% THD+N, CD4 = 0
23
www.national.com