LM4856LQ/NOPB National Semiconductor, LM4856LQ/NOPB Datasheet - Page 5

• Manufacturer Part Number: LM4856LQ/NOPB
• Description: IC AMP AUDIO PWR 1.5W MONO 24LLP
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4856LQ/NOPB

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 1.5W x 1 @ 4 Ohm; 60mW x 2 @ 32 Ohm
• Voltage - Supply: 2.6 V ~ 5 V
• Features: Depop, I²C, Mute, Shutdown, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 24-LLP
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono/2-Channel Stereo
• Audio Amplifier Function: Headphone/Speaker
• Total Harmonic Distortion: 0.5@8Ohm@400mW%
• Single Supply Voltage (typ): 3V
• Dual Supply Voltage (typ): Not RequiredV
• Supply Current (max): 12@5VmA
• Power Supply Requirement: Single
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 68dB
• Single Supply Voltage (min): 2.6V
• Single Supply Voltage (max): 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: 24
• Package Type: LLP EP
• For Use With: LM4856LQBD - BOARD EVALUATION LM4856LQ
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4856LQ; LM4856LQTR

I
I
V
P
THD+N
N
PSRR
V
V
DD
SD
Symbol
OS
O
OUT
IH
IL
Electrical Characteristics
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
SPKR
Power Supply Rejection Ratio
R
Logic High Input Voltage
Logic Low Input Voltage
OUT
and L
OUT
OUT
Parameter
DD
= 3.0V, T
(Notes 2, 8)
Output modes 1, 2, 3, 4, 5, 6, 7
V
Output modes 1, 2, 3, 4, 5, 6, 7
V
Output mode 0
V
SPKR
THD+N = 1%; f = 1kHz, LM4856LQ
SPKR
THD+N = 1%; f = 1kHz
R
THD+N = 0.5%; f = 1kHz
SPKR
f = 20Hz to 20kHz
P
R
f = 20Hz to 20kHz
P
A-weighted (Note 10)
V
C
All audio inputs terminated into 50Ω;
Output referred Gain (BTL) = 12dB
Output Mode 1, 3, 5, 7
V
C
All audio inputs terminated into 50Ω;
Output referred Maximum gain setting
Output Mode 2, 3
Output Mode 4, 5
Output Mode 6, 7
IN
IN
IN
OUT
OUT
RIPPLE
RIPPLE
OUT
OUT
B
B
= 1.0µF
= 1.0µF
= 0V; No loads
= 0V; Loaded (Figure 1)
= 0V
= 150mW; R
= 10mW; R
A
OUT
OUT
and L
OUT
and L
= 25˚C unless otherwise specified.
= 200mV
= 200mV
; R
; R
OUT
OUT
L
L
= 4Ω
= 8Ω
Conditions
; R
L
PP
PP
5
L
L
= 32Ω
; f = 217Hz,
; f = 217Hz,
= 32Ω
= 8Ω
(Note 5)
Typical
430
340
6.5
0.1
5.0
0.5
0.5
22
29
58
68
60
56
7
LM4856
0.7 x V
(Notes 6,
Limits
GND
V
300
11)
2.0
0.4
10
11
40
18
55
60
55
52
DD
DD
www.national.com
mA (max)
mA (max)
mV (max)
mW (min)
mW (min)
µA (max)
dB (min)
dB (min)
dB (min)
dB (min)
(Limits)
V (max)
V (max)
V (min)
V (min)
Units
mW
µV
%
%