LM49352RLX/NOPB National Semiconductor, LM49352RLX/NOPB Datasheet - Page 15

• Manufacturer Part Number: LM49352RLX/NOPB
• Description: IC AMP AUDIO MONO D1.4W 36USMD
• Manufacturer: National Semiconductor
• Series: Boomer®, PowerWise®r
• Type: Class Dr

Specifications of LM49352RLX/NOPB

• Output Type: 1-Channel (Mono) with Mono and Stereo Headphones
• Max Output Power X Channels @ Load: 1.4W x 1 @ 8 Ohm; 65mW x 2 @ 32 Ohm
• Features: Depop, Differential Inputs, I²C, I²S, Microphone, Shutdown, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 36-MicroSMDxt
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Other names: LM49352RLX

P
PSRR
SNR
e
V
HEADPHONE AMPLIFIERS
THD+N
P
OS
O
OS
O
Symbol
Output Power
Power Supply Rejection Ratio
Signal-to-Noise Ratio
Output Noise
Offset Voltage
Total Harmonic Distortion + Noise
Headphone Output Power
Parameter
R
LS_V
LS_V
LS_V
R
Mono Input Signal
LS_V
LS_V
LS_V
V
f
Mono Input Terminated
V
LS Gain = 12dB
V
f
From DAC, DAC gain = 0dB
Reference = V
Mono gain = 0dB, A-weighted
Mono Input Terminated, LS Gain = 8dB
LS_V
LS_V
Reference = V
DAC Gain = 0dB, A-weighted
f
LS Gain = 8dB
LS_V
LS_V
Mono gain = 0dB, A-weighted,
Mono Input Terminated, Input Referred
Mono gain = 0dB, from Mono Input
P
R
Stereo Analog Input Signal
R
Stereo Analog Input Signal, In phase
HP_V
HP_V
R
Stereo Analog Input Signal, In phase
HP_V
HP_V
RIPPLE
RIPPLE
S
RIPPLE
REF
RIPPLE
O
L
L
L
L
L
= 48kHz, OSR = 128
= 8Ω, f = 1kHz, THD+N = 1%, Mono Input Signal
= 4Ω, f = 1kHz, THD+N = 1%,
= 32Ω
= 32Ω, f = 1kHz, THD+N = 1%,
= 16Ω, f = 1kHz, THD+N = 1%,
= 15mW, f = 1kHz,
= 1.0μF, Input Referred
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
= 217Hz
= 217Hz
= 200mV
= 200mV
= 5V
= 4.2V
= 3.3V
= 5V
= 4.2V
= 3.3V
= 4.2V
= 3.3V
= 4.2V
= 3.3V
= 2.8V
= 1.8V
= 2.8V
= 1.8V
15
Conditions
OUT
OUT
P-P
P-P
(1% THD+N )
(1% THD+N )
(Note
Typical
0.025
1.65
970
590
980
1.4
2.4
75
74
95
93
91
89
43
10
65
24
73
24
LM49352
6)
(Note
Limit
510
0.1
60
88
50
20
7)
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mW (min)
mV (max)
mW (min)
dB (min)
dB (min)
% (max)
(Limit)
Units
mW
mW
mW
mW
mW
dB
dB
dB
dB
µV
W
W
W