lm49150tlx National Semiconductor Corporation, lm49150tlx Datasheet - Page 8

• Manufacturer Part Number: lm49150tlx
• Description: Mono Class D Audio Subsystem With Earpiece Driver And Stereo Ground Referenced Headphone Amplifiers
• Manufacturer: National Semiconductor Corporation

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PSRR
A
Z
CMRR
X
T
Symbol
IN
ON
M
TALK
Power Supply Rejection Ratio
Volume Control Step Size Error
Digital Volume Control Range
Mute Attenuation
Mono Channel Input Impedance
L
EP Bypass Resistance
Common-Mode Rejection Ratio
Crosstalk
Turn-On Time
IN
and R
IN
Input Impedance
Parameter
V
All audio inputs terminated to AC GND; output referred
EP Bypass
Loudspeaker Output; LS Gain = 6dB
LS; Mode 1
LS; Mode 2
LS; Mode 3
Headphone Output, HP Attenuation = 0dB
HP; Mode 4
HP; Mode 8
HP; Mode 12
Maximum Attenuation
Volume Step 2
Maximum Gain
HP
LS
Maximum gain setting
Maximum attenuation setting
f = 217Hz, V
EP Bypass
f = 217Hz, V
LS, Mode 1
f = 217Hz, V
HP, Mode 4
HP mode 8; P
R
C
Normal Turn-On Mode
C
Fast Turn-On Mode
RIPPLE
L
B
B
= 32Ω, f = 1kHz
= 2.2μF, HP,
= 2.2μF, HP,
= 200mV
CM
CM
CM
O
= 1V
= 1V
= 1V
Conditions
= 12mW
PP
8
; f = 217Hz, R
P-P
P-P
P-P
, R
, R
, R
L
L
L
= 8Ω
= 32Ω
= 8Ω
L
= 8Ω, C
B
= 2.2µF,
(Note 6)
Typical
-46.5
±0.2
111
-92
97
75
71
71
91
80
79
18
98
98
12
62
55
55
61
78
27
15
LM49150
(Note 7)
Limits
-49
-44
17
19
50
80
dB (max)
dB (max)
kΩ (max)
dB (min)
dB (min)
kΩ (min)
(Limits)
Units
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
kΩ
kΩ
dB
dB
dB
dB
ms
ms