LM49200TLX/NOPB National Semiconductor, LM49200TLX/NOPB Datasheet - Page 6

• 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

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ε
PSRR
CMRR
X
Z
VOL
VOL
T
I
I
V
DD
SD
Symbol
OUT
Symbol
IN
WU
TALK
OS
Electrical Characteristics V
The following specifications apply for V
LS = Loudspeaker, HP = Headphone.
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
Quiescent Power Supply Current
Shutdown Current
Output Offset Voltage
Parameter
Parameter
DD
= 5.0V, T
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
V
EP Receiver
(Output Mode Bit D4 = 1)
Stereo LS only (Mode 2)
Stereo HP only (Mode 8)
Stereo LS + Stereo HP (Mode 10)
V
LS output, R
HP output, R
DD
RIPPLE
IN
IN
B
B
= 2.2μF, HP, Normal Turn-On Mode
= 2.2μF, HP, Fast Turn-On Mode
= 0, No Loads
= 0V, Mode 10
= 5.0V
O
A
L
O
L
= 400mW, f = 1kHz, Mode 2
= 8Ω BTL, Mode 1
= 25°C, all volume controls set to 0dB, unless otherwise specified.
= 200mV
= 12mW, f = 1kHz, Mode 8
= 32Ω SE, Mode 4
CM
L
L
= 8Ω BTL
L
L
= 32Ω SE
L
L
= 1V
Conditions
Conditions
= 8Ω BTL
= 8Ω BTL
= 32Ω SE
= 32Ω SE
PP
(Notes 1, 2)
6
, f
P-P
RIPPLE
= 217Hz, C
B
= 2.2μF
(Note 6)
(Note 6)
Typical
Typical
12.5
0.02
110
–80
0.2
1.3
4.2
4.7
7.3
2.5
1.4
11
14
11
95
75
90
80
60
66
80
70
18
29
16
8
8
8
9
LM49200
LM49200
(Note 7)
(Note 7)
Limits
Limits
10.1
130
1.8
5.9
6.5
10
15
90
15
1
5
mA (max)
mA (max)
mA (max)
mA (max)
mV (max)
mV (max)
kΩ (max)
kΩ (max)
µA (max)
kΩ (min)
kΩ (min)
(Limits)
(Limits)
Units
Units
ms
ms
µV
µV
µV
µV
µV
µV
µV
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB