LM4857ITL/NOPB National Semiconductor, LM4857ITL/NOPB Datasheet - Page 18

• Manufacturer Part Number: LM4857ITL/NOPB
• Description: IC AUDIO SUBSYSTEM W/3D 30USMD
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4857ITL/NOPB

• Output Type: 2-Channel (Stereo) with Mono and 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
• Features: 3D, Depop, I²C, Mute, Shutdown, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 30-MicroSMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4857ITLTR

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
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