LM49200TLX/NOPB National Semiconductor, LM49200TLX/NOPB Datasheet - Page 7

• Manufacturer Part Number: LM49200TLX/NOPB
• Description: IC AUDIO SUB 1.25W AB 20USMD
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM49200TLX/NOPB

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 1.25W x 2 @ 8 Ohm; 38mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Depop, Differential Inputs, I²C, Shutdown, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 20-MicroSMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM49200TLX

P
THD+N
SNR
ε
PSRR
CMRR
X
Z
VOL
VOL
T
Symbol
OUT
IN
WU
O
TALK
Output Power
Total Harmonic Distortion + Noise
Signal-to-Noise Ratio
Output Noise
Power Supply Rejection Ratio
Common-Mode Rejection Ratio
Crosstalk
MIN, LIN, and RIN Input Impedance
Digital Volume Control Range
Volume Control Step Size Error
Wake-Up Time from Shutdown
Parameter
LS output, Mode 2, R
THD+N = 1%, f = 1kHz
HP output, Mode 8, R
THD+N = 1%, f = 1kHz
LS output, f = 1kHz, R
P
HP output, f = 1kHz, R
P
LS output, f = 1kHz,
V
Gain = 0dB, A-weighted
LIN & RIN AC terminated
HP output, f = 1kHz,
V
Gain = 0dB, A-weighted
LIN & RIN AC terminated
A-weighted, Inputs terminated to AC GND, Output Referred
Right LS only, Mode 1
LS: Mode 1
LS: Mode 2
LS: Mode 3
HP: Mode 4
HP: Mode 8
HP: Mode 12
V
All inputs AC terminated to GND, output referred
LS: Mode 1, R
LS: Mode 2, R
HP: Mode 4, R
HP: Mode 8, R
f = 217Hz, V
LS: R
HP: R
LS: P
HP: P
Maximum Gain setting
Maximum Attenuation setting
Maximum Gain
Maximum Attenuation
C
C
O
O
REF
REF
RIPPLE
B
B
= 400mW, Mode 2
= 12mW, Mode 8
= 2.2μF, HP, Normal Turn-On Mode
= 2.2μF, HP, Fast Turn-On Mode
= V
= V
O
L
O
L
= 1W, f = 1kHz, Mode 2
= 8Ω BTL, Mode 1
= 12mW, f = 1kHz, Mode 8
= 200mV
= 32Ω SE, Mode 4
OUT
OUT
CM
(1%THD+N)
(1%THD+N)
L
L
L
L
Conditions
= 1V
= 8Ω BTL
= 8Ω BTL
= 32Ω SE
= 32Ω SE
P-P
7
, f
P-P
L
RIPPLE
L
L
L
= 8Ω BTL
= 32Ω SE
= 8Ω BTL
= 32Ω SE
= 217Hz, C
B
= 2.2μF
(Note 6)
Typical
1.25
0.05
0.02
12.5
109
101
110
–80
0.2
38
11
14
11
90
70
87
77
60
66
80
70
18
29
16
8
8
8
9
LM49200
(Note 7)
Limits
www.national.com
(Limits)
Units
mW
dB
dB
µV
µV
µV
µV
µV
µV
µV
dB
dB
dB
dB
dB
dB
dB
dB
kΩ
kΩ
dB
dB
dB
ms
ms
W
%
%