LM4857ITLBD National Semiconductor, LM4857ITLBD Datasheet - Page 18

• 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

Typical Performance Characteristics
(Note 11) (Continued)
PSRR vs Frequency
PSRR vs Frequency
20079732
20079733
V
= 5V; LINEOUT; R
= 5kΩ; 0db Gain;
V
= 3V; LINEOUT; R
= 5kΩ; 0db Gain;
DD
L
DD
L
All audio inputs terminated
All audio inputs terminated
Top-Mode 15; Mid-Mode 10; Bot-Mode 5
Top-Mode 15; Mid-Mode 10; Bot-Mode 5
Crosstalk vs Frequency
Crosstalk vs Frequency
20079734
20079735
V
= 5V; LLS, RLS; P
= 400mW; R
= 8Ω;
V
= 3V; LLS, RLS; P
= 200mW; R
= 8Ω;
DD
O
L
DD
O
L
Mode 7; 0db Gain; 3D off
Mode 7; 0db Gain; 3D off
Top-Left to Right; Bot- Right to Left
Top-Left to Right; Bot- Right to Left
www.national.com
18