LM4937RL/NOPB National Semiconductor, LM4937RL/NOPB Datasheet - Page 16

• Manufacturer Part Number: LM4937RL/NOPB
• Description: IC AUDIO SUBSYSTM 1.25W 36USMDXT
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4937RL/NOPB

• Output Type: 1-Channel (Mono) with Mono and Stereo Headphones
• Max Output Power X Channels @ Load: 1.25W x 1 @ 8 Ohm; 80mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Depop, Differential Inputs, I²C, I²S, Mute, Shutdown, SPI, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 36-MicroSMDxt
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4937RLTR

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SD — Shutdown
M — Mono Differential Input
AL — Analog Left Channel
AR — Analog Right Channel
DL — I2S DAC Left Channel
DR — I2S DAC Right Channel
MUTE — Mute
Note: Power-On Default Mode is Mode 0
Mode
0
1
2
3
4
5
6
7
CD3
0
1
1
1
1
1
1
1
CD2
0
0
0
0
1
1
1
1
CD1
0
0
1
1
0
0
1
1
TABLE 8. Mixer Code Control
CD0
0
1
0
1
0
1
0
1
M+DL+AL+
16
M+DL+DR
M+AL+AR
Earpiece
DL+DR+
DR+AR
AL+AR
DL+DR
AL+AR
Mono
SD
M
Loudspeaker
M+DL+AL+
M+DL+DR
M+AL+AR
DR+AR
DL+DR
AL+AR
AL+AR
DL+AL
SD
M
Headphone
M+DL+AL
DL+AL
M+DL
M+AL
SD
DL
AL
M
L
Headphone
M+DR+AR
DR+AR
M+AR
M+DR
DR
SD
AR
M
R