LM49101TM/NOPB National Semiconductor, LM49101TM/NOPB Datasheet - Page 7

• 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

I
I
V
P
THD+N
SNR
PSRR
DD
SD
Symbol
OS
O
Electrical Characteristics V
The following specifications apply for V
specified. LS = Loudspeaker, HP = Headphone, EP = Earpiece.
Quiescent Power Supply Current
Shutdown Current
Output Offset Voltage
Output Power
Total Harmonic Distortion + Noise
Signal-to-Noise Ratio
Power Supply Rejection Ratio
Parameter
DD
LS = 5.0V, V
V
EP Receiver
(Output Mode Bit EP Bypass = 1)
LS only (Mode 1), GAMP_SD = 0
VDDLS
VDDHP
LS only (Mode 1), GAMP_SD = 1
VDDLS
VDDHP
HP only (Mode 8), GAMP_SD = 0
VDDLS
VDDHP
VDDLS+VDDHP
HP only (Mode 8), GAMP_SD = 1
VDDLS
VDDHP
LS+HP only (Mode 10), GAMP_SD = 0
VDDLS
VDDHP
VDDLS+VDDHP
Power_On = 0
V
LS output, R
HP output, R
LS output, Mode 1, R
THD+N = 1%, f = 1kHz, LS_Gain = 6dB
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, 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
DD
IN
IN
O
O
REF
REF
RIPPLE
= 600mW, Mode 1, LS_Gain = 6dB
= 20mW, Mode 8
= 0, No Load
= 0V, Mode 10
LS = 5.0V, V
= V
= V
on V
DD
OUT
OUT
HP = 2.75V, T
L
DD
(1%THD+N)
(1%THD+N)
L
= 8Ω BTL
= 32Ω SE
LS = 200mV
Conditions
7
L
L
L
L
L
= 8Ω BTL
= 32Ω SE
L
= 8Ω BTL
= 32Ω SE
= 32Ω SE
DD
L
A
= 8Ω BTL
L
= 8Ω BTL
= 32Ω SE
= 25°C, all volume controls set to 0dB, unless otherwise
PP
HP = 2.75V
, f
RIPPLE
= 217Hz, C
(Note 6)
Typical
0.055
0.015
0.05
0.01
(Notes 1, 2)
108
100
2.9
2.1
1.8
3.1
1.3
3.1
3.1
2.5
0.5
1.3
45
90
74
84
79
B
0
0
3
= 2.2μF
LM49101
(Note 7)
Limits
0.07
2.15
8.35
4.4
4.5
6.6
4.1
4.5
22
2
5
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mA (max)
mA (max)
mA (max)
mA (max)
mA (max)
mA (max)
mA (max)
mA (max)
mV (max)
mV (max)
µA (max)
(Limits)
Units
mW
mA
mA
mA
mA
mA
dB
dB
dB
dB
dB
dB
W
%
%