LM49101TM/NOPB National Semiconductor, LM49101TM/NOPB Datasheet - Page 6

• Manufacturer Part Number: LM49101TM/NOPB
• Description: IC AUDIO SUBSYSTM 1.3W AB 25USMD
• Manufacturer: National Semiconductor
• Series: Boomer®, PowerWise®r
• Type: Class ABr

Specifications of LM49101TM/NOPB

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 1.3W x 1 @ 8 Ohm; 45mW 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: 25-MicroSMD
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono/2-Channel Stereo
• Audio Amplifier Function: Headphone/Speaker
• Single Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (typ): 3/5V
• Power Supply Requirement: Triple
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 90dB
• Single Supply Voltage (min): Not RequiredV
• Single Supply Voltage (max): Not RequiredV
• Dual Supply Voltage (min): 1.7/1.8/2.7V
• Dual Supply Voltage (max): 2.9/5.5V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 25
• Package Type: uSMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM49101TMTR

www.national.com
THD+N
SNR
PSRR
CMRR
X
Z
R
VOL
VOL
T
Symbol
IN
WU
TALK
ON
Total Harmonic Distortion + Noise
Signal-to-Noise Ratio
Power Supply Rejection Ratio
Common-Mode Rejection Ratio
Crosstalk
MIN, LIN, and RIN Input Impedance
On Resistance
Digital Volume Control Range
Volume Control Step Size Error
Wake-Up Time from Shutdown
Parameter
LS output, f = 1kHz, R
P
HP output, f = 1kHz, R
P
LS output, f = 1kHz, Mode 1
V
Vol. Gain & LS_GAIN = 0dB
A-Wtg, LIN & RIN AC terminated
HP output, f = 1kHz, Mode 8
V
Vol. Gain = 0dB, A-weighted
LIN & RIN AC terminated
V
All inputs AC terminated to GND, output referred
LS: Mode 1, 5, 9, 13, R
LS: Mode 2, 6, 10 ,14, R
HP: Mode 4, 5, 6, 7, R
HP: Mode 8, 9, 10, 11, R
f = 217Hz, V
LS: R
HP: R
HP P
f = 1kHz, Mode 8
Maximum Gain setting
Maximum Attenuation setting
Analog Switch On
Maximum Gain
Maximum Attenuation
C
C
O
O
REF
REF
RIPPLE
B
B
= 250mW, Mode 1, LS_Gain = 6dB
= 20mW, Mode 8
= 2.2μF, HP, Normal Turn-On Mode
= 2.2μF, HP, Fast Turn-On Mode
O
= V
= V
L
L
= 8Ω BTL, Mode 1
= 20mW
= 32Ω SE, Mode 4
on V
OUT
OUT
DD
CM
(1%THD+N)
(1%THD+N)
LS = 200mV
= 1V
Conditions
6
P-P
L
L
L
L
= 8Ω BTL
= 32Ω SE
= 32Ω SE
L
= 8Ω BTL
L
= 8Ω BTL
= 32Ω SE
PP
, f
RIPPLE
= 217Hz, C
(Note 6)
Typical
±0.02
0.065
0.015
12.5
105
100
110
–80
3.4
90
75
85
81
60
60
72
18
30
15
B
= 2.2μF
LM49101
(Note 7)
Limits
130
10
15
90
KΩ (max)
KΩ (max)
dB (max)
dB (max)
dB (max)
dB (max)
KΩ (min)
KΩ (min)
(Limits)
Units
ms
ms
dB
dB
dB
dB
dB
dB
dB
dB
%
%
Ω