LM49350RL/NOPB National Semiconductor, LM49350RL/NOPB Datasheet - Page 13

• Manufacturer Part Number: LM49350RL/NOPB
• Description: IC AUDIO SUBSYSTM 2W D 36USMDXT
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class Dr

Specifications of LM49350RL/NOPB

• Output Type: 1-Channel (Mono) with Mono and Stereo Headphones
• Max Output Power X Channels @ Load: 2W x 1 @ 4 Ohm; 69mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: 3D, DAC, Depop, I²C, I²S, Mute, Short-Circuit and Thermal Protection, Shutdown, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 36-MicroSMDxt
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM49350RLTR

MICI
ADCI
DACI
AUXINI
AUXOUTI
LOUDSPEAKER AMPLIFIER
LS
THD+N
P
PSRR
SNR
e
V
T
HEADPHONE AMPLIFIERS
THD+N
P
PSRR
SNR
OS
WU
O
OS
O
Symbol
EFF
DD
DD
DD
DD
DD
Microphone Quiescent Current
ADC Total Active Current
DAC Total Active Current
Auxiliary Input Amplifier Quiescent
Current
Auxiliary Output Amplifier Quiescent
Current
Loudspeaker Efficiency
Total Harmonic Distortion + Noise
Output Power
Power Supply Rejection Ration
Signal-to-Noise Ratio
Output Noise
Offset Voltage
Turn-On Time
Total Harmonic Distortion + Noise
Headphone Output Power
Power Supply Rejection Ratio
Signal-to-Noise Ratio
Parameter
mono MIC + MIC Bias On
f
f
Stereo Auxiliary Inputs enabled
AUX_LINE_OUT enabled
Earpiece mode enabled
P
P
R
R
LS_V
LS_V
LS_V
R
LS_V
LS_V
LS_V
V
f
Mono Input Terminated
V
Reference = V
Gain = 0dB, A-weighted
Mono Input Terminated
Gain = 0dB, A-weighted,
Mono Input Terminated
Gain = 0dB, form Mono Input
PMC Clock = 300kHz
P
R
Stereo Analog Input Signal
R
Stereo Analog Input Signal
V
Stereo Analog Inputs Terminated,
V
Mode
Reference = V
Gain = 0dB, A-weighted
Stereo Inputs Terminated
Reference = V
0dB,
A-weighted, I
S
S
RIPPLE
O
O
RIPPLE
REF
O
RIPPLE
REF
L
L
L
L
L
= 48kHz, Stereo
= 48kHz, Stereo
= 8Ω, Mono Input Signal
= 8Ω, f = 1kHz, THD+N = 1%, Mono Input Signal
= 4Ω, f = 1kHz, THD+N = 1%, Mono Input Signal
= 32Ω
= 32Ω, f = 1kHz, THD+N = 1%,
= 400mW, R
= 400mW, f = 1kHz,
= 7.5mW, f = 1kHz,
= 1.0μF
= 1.0μF, Mono Differential Input
DD
DD
DD
DD
DD
DD
= 217Hz
= 200mV
= 200mV
= 3.3V
= 4.2V
= 5V
= 3.3V
= 4.2V
= 5V
13
2
Conditions
S Input = Digital Zero
OUT
OUT
OUT
L
P-P
P-P
= 8Ω
(1% THD+N )
(1% THD+N )
(0dBFS ) Gain =
, f
RIPPLE
= 217Hz
(Note 6)
Typical
0.025
0.07
495
825
800
106
0.5
5.5
0.7
0.5
1.0
1.2
1.4
83
73
95
35
10
28
69
97
96
9
2
LM49350
(Note 7)
Limit
400
0.1
55
85
50
60
75
98
90
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mW (min)
mV (max)
mW (min)
dB (min)
dB (min)
% (max)
dB (min)
dB (min)
dB (min)
(Limits)
Units
mW
mW
mA
mA
mA
mA
mA
mA
ms
µV
W
W
W
%
%