LM4846TL/NOPB National Semiconductor, LM4846TL/NOPB Datasheet - Page 7

IC AMP AUDIO PWR 1.15W AB 25USMD

LM4846TL/NOPB

Manufacturer Part Number
LM4846TL/NOPB
Description
IC AMP AUDIO PWR 1.15W AB 25USMD
Manufacturer
National Semiconductor
Series
Boomer®r
Type
Class ABr
Datasheet

Specifications of LM4846TL/NOPB

Output Type
1-Channel (Mono) with Stereo Headphones
Max Output Power X Channels @ Load
1.15W x 1 @ 8 Ohm; 75mW x 2 @ 32 Ohm
Voltage - Supply
2.7 V ~ 5.5 V
Features
3D, Depop, I²C, Mute, Shutdown, SPI, Thermal Protection, Volume Control
Mounting Type
Surface Mount
Package / Case
25-MicroSMD
Operational Class
Class-AB
Audio Amplifier Function
Headphone/Speaker
Total Harmonic Distortion
0.5@8Ohm@500mW%
Single Supply Voltage (typ)
3/5V
Dual Supply Voltage (typ)
Not RequiredV
Supply Current (max)
11@3.3VmA
Power Supply Requirement
Single
Rail/rail I/o Type
No
Power Supply Rejection Ratio
88dB
Single Supply Voltage (min)
2.7V
Single Supply Voltage (max)
5.5V
Dual Supply Voltage (min)
Not RequiredV
Dual Supply Voltage (max)
Not RequiredV
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
25
Package Type
uSMD
For Use With
LM4846TLEVAL - BOARD EVALUATION LM4846TL
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LM4846TLTR
I
I
V
P
THD+N
N
PSRR
T
DD
SD
Symbol
WU
OS
O
OUT
Electrical Characteristics 5.0V
The following specifications apply for V
Supply Current
Shutdown Current
Output Offset Voltage
Output Power
Total Harmonic Distortion Plus
Noise
Output Noise
Power Supply Rejection Ratio
MONO
Power Supply Rejection Ratio
R
Digital Volume Range
(R
Mute Attenuation
MONO_IN Input Impedance
R
Wake-Up Time from Shutdown
OUT
IN
IN
and L
and L
and L
OUT
IN
IN
OUT
Parameter
)
Input Impedance
DD
= 5.0V, T
Output Modes 2, 4, 6
V
OCL = 0 (Table 2)
Output Modes 1, 3, 5, 7
V
OCL = 0 (Table 2)
Output Mode 0
V
MONO
THD+N = 1%; f = 1kHz, BTL, Mode 1
R
THD+N = 1%; f = 1kHz, SE, Mode 4
MONO
f = 20Hz to 20kHz
P
R
f = 20Hz to 20kHz
P
A-weighted (Note 9), Mode 5, BTL
input referred
V
C
All audio inputs terminated into 50Ω;
output referred gain = 6dB (BTL)
Output Mode 1, 7
Output Mode 3
Output Mode 5
V
C
All audio inputs terminated into 50Ω;
output referred gain,
OCL = 0 (Table 2)
Output Mode 2
Output Mode 4
Output Mode 6, 7
Input referred maximum attenuation
Input referred maximum gain
Output Mode 1, 3, 5
Maximum gain setting
Minimum gain setting
C
C
IN
IN
IN
OUT
OUT
RIPPLE
RIPPLE
OUT
OUT
B
B
B
B
= 2.2µF, BTL
= 2.2µF, SE, C
= 2.2µF, OCL
= 2.2µF, SE
= 0V; No load,
= 0V; No Load,
= 0V, Mode 5 (Note 10)
= 500mW; R
= 30mW; R
and L
and L
(Notes 3, 7)
A
OUT
OUT
= 200mV
= 200mV
= 25˚C unless otherwise specified. [A
; R
OUT
OUT
L
= 8Ω
Conditions
; R
L
PP
PP
7
L
L
O
= 32Ω,SE, Mode 4
; f = 217Hz,
; f = 217Hz,
= 32Ω
= 8Ω, BTL, Mode 1
= 100µF
(Note 4)
Typical
V
1.15
100
122
184
-54
= 2 (BTL), A
3.6
6.8
0.1
0.5
0.5
10
75
26
71
68
63
88
76
76
18
80
11
LM4846
(Notes 5,
–53.25
–54.75
Limits
17.25
18.75
10)
V
= 1 (SE)].
www.national.com
(Limits)
Units
mW
mA
mA
mV
µA
µV
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
kΩ
kΩ
kΩ
kΩ
ms
W
%
%

Related parts for LM4846TL/NOPB