LM4851LQ/NOPB National Semiconductor, LM4851LQ/NOPB Datasheet - Page 3

• Manufacturer Part Number: LM4851LQ/NOPB
• Description: IC AMP AUDIO PWR 1.5W MONO 24LLP
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4851LQ/NOPB

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 1.5W x 1 @ 4 Ohms; 115mW x 2 @ 32 Ohms
• Voltage - Supply: 2.6 V ~ 5 V
• Features: Depop, Shutdown, SPI, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 24-LLP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM4851LQ; LM4851LQ; LM4851LQNOPB; LM4851LQNOPBTR; LM4851LQNOPBTR; LM4851LQTR

I
I
V
P
THD+N
N
PSRR
V
V
DD
DD
Symbol
OS
O
OUT
IH
IL
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
The following specifications apply for V
Supply Voltage
Storage Temperature
ESD Susceptibility (Note 4)
ESD Machine model (Note 7)
Junction Temperature (T
Solder Information (Note 1)
Vapor Phase (60 sec.)
Infrared (15 sec.)
Supply Current
Shutdown Current
Output Offset Voltage
Output Power
Total Harmonic Distortion Plus
Noise
Output Noise
Power Supply Rejection Ratio
Logic High Input Voltage
Logic Low Input Voltage
Parameter
J
)
DD
−65˚C to +150˚C
= 5.0V, T
(Notes 2, 8)
Output mode 7
V
Output modes 1, 2, 3, 4, 5, 6
V
Output mode 0
V
SPKR
THD+N = 1%; f = 1kHz
LM4851LQ
SPKR
THD+N = 1%; f = 1kHz
R
THD+N = 0.5%; f = 1kHz
R
P
SPKR
P
R
P
SPKR
P
LM4851LQ
SPKR
P
A-weighted (Note 10)
V
Input floating; Input referred
V
Input terminated into 50Ω; Output referred
IN
IN
IN
OUT
OUT
OUT
OUT
OUT
RIPPLE
RIPPLE
OUT
OUT
OUT
(Note 2)
= 0V; I
= 0V; I
= 0V
= 80mW; R
= 800mW; R
= 100mW; R
= 1W; R
= 800mW; R
OUT
OUT
and L
and L
OUT
and L
OUT
OUT
A
150˚C
215˚C
220˚C
= 25˚C unless otherwise specified.
2.0kV
200V
= 200mV
= 200mV
6.0V
; R
; R
; f = 1kHz
; f = 20Hz to 20kHz
; f = 20Hz to 20kHz
O
O
OUT
OUT
OUT
L
L
= 0A
= 0A
L
= 4Ω
= 8Ω
Conditions
; R
; f = 1kHz
; f = 20Hz to 20kHz
= 4Ω
L
PP
PP
3
L
L
L
L
= 32Ω
; f = 217Hz
; f = 217Hz
= 32Ω
= 8Ω
= 32Ω
= 8Ω
Operating Ratings
Note 1: See AN-450 "Surface Mounting and their effects on Product Reli-
ability" for other methods of soldering surface mount devices.
Temperature Range
Supply Voltage V
Thermal Resistance
θ
θ
θ
θ
θ
θ
JA
JC
JA
JC
JA
JC
(typ) - LQA24A
(typ) - LQA24A
(typ) - BLA18AAB
(typ) - BLA18AAB
(typ) - TLA18AAA
(typ) - TLA18AAA
DD
(Note 5)
Typical
115
7.5
5.0
0.1
5.0
1.5
1.1
0.3
0.3
0.3
29
70
62
LM4851
(Note 3)
(Note 6)
Limit
9.0
0.8
0.5
1.0
1.4
5.0
0.4
14
50
80
2
2.6V ≤ V
48˚C/W (Note 9)
23˚C/W (Note 9)
48˚C/W (Note 9)
23˚C/W (Note 9)
−40˚C to 85˚C
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DD
mA (max)
mA (max)
mV (max)
mW (min)
µA (max)
% (max)
% (max)
(Limits)
W (min)
V (max)
V (max)
V (min)
3.0˚C/W
42˚C/W
Units
≤ 5.0V
µV
dB
dB
W
%
%
%