LM4946SQ/NOPB National Semiconductor, LM4946SQ/NOPB Datasheet - Page 5

• Manufacturer Part Number: LM4946SQ/NOPB
• Description: IC AUDIO SUBSYSTEM 1.3W D 24LLP
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class Dr

Specifications of LM4946SQ/NOPB

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 1.3W x 1 @ 8 Ohm; 85mW 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: 24-LLP
• For Use With: LM4946SQEVAL - BOARD EVALUATION LM4946SQ
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4946SQ; LM4946SQTR

I
I
V
P
THD+N
DD
SD
Symbol
OS
O
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics 3.3V
The following specifications apply for V
Supply Voltage
Storage Temperature
Input Voltage
ESD Susceptibility (Note 3)
ESD Machine model (Note 6)
Junction Temperature
Solder Information (Note 1)
Vapor Phase (60 sec.)
Supply Current
Shutdown Current
Output Offset Voltage
Output Power
Total Harmonic Distortion + Noise
Parameter
DD
= 3.3V, T
−65°C to +150°C
−0.3 to V
Output Modes 2, 4, 6
V
SE Headphone
Output Modes 1, 3, 5, 7
V
SE Headphone
Output Modes 2, 4, 6
V
OCL Headphone
Output Modes 1, 3, 5,
V
OCL Headphone
Output Modes 7
V
OCL Headphone
Output Mode 0
V
Mono
V
Headphones (Note 11)
MONO
THD+N = 1%; f = 1kHz, BTL, Mode 1
R
THD+N = 1%; f = 1kHz, SE, Mode 4
MONO
f = 1kHz
P
R
f = 1kHz
P
IN
IN
IN
IN
IN
IN
IN
OUT
OUT
OUT
OUT
(Note 2)
= 0V; No load,
= 0V; No load,
= 0V; No load,
= 0V; No load,
= 0V; No load,
= 0V, Mode 7
= 0V, Mode 7
A
= 250mW; R
= 12mW; R
and L
and L
DD
(Notes 2, 7)
OUT
= 25°C, all volume controls set to 0dB, unless otherwise specified.
150°C
215°C
OUT
2.0kV
200V
6.0V
+0.3
; R
OUT
OUT
L
; R
= 8Ω
Conditions
L
L
5
L
= 32Ω, SE, Mode 4
= 32Ω
= 8Ω, BTL, Mode 1
Operating Ratings
Thermal Resistance (Note 8)
θ
θ
Temperature Range
Supply Voltage (V
Supply Voltage (I
LLP
micro SMD
JA
JA
Infrared (15 sec.)
(typ) - SQA24A
(typ) - TMD25A
2
DD
C/SPI) (Note 10)
)
(Note 4)
Typical
0.015
3.25
5.65
0.02
0.05
540
6.5
12
35
4
5
3
LM4946
2.2V
1.7V
(Note 5)
Limits
10.5
500
6.5
≤
≤
50
15
30
1
I
I
2.7V
I
2
2
2
CSPI_V
CSPI_V
CSPI_V
−40°C to 85°C
≤
V
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DD
mA (max)
mA (max)
mV (max)
mW (min)
mW (min)
DD
DD
µA (max)
DD
(Limits)
46°C/W
49°C/W
Units
≤
≤
≤
mA
mA
mA
220°C
≤
%
%
5.5V
5.5V
5.5V
V
DD