LM4946SQ/NOPB National Semiconductor, LM4946SQ/NOPB Datasheet - Page 9

• 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

t
t
t
t
t
t
f
t
t
t
t
t
t
t
V
V
t
t
t
t
t
t
f
t
t
t
t
t
t
t
V
V
1
2
3
4
5
6
SPI
EL
DS
ES
DH
EH
CL
CH
1
2
3
4
5
6
SPI
EL
DS
ES
DH
EH
CL
CH
Symbol
IH
IL
IH
IL
Symbol
I
The following specifications apply for V
I
The following specifications apply for V
2
2
C/SPI LLP/micro SMD
C/SPI micro SMD only
I
I
I
Start Condition Time
Stop Condition Time
I
Maximum SPI Frequency
SPI ENB High Time
SPI Data Setup Time
SPI ENB Setup Time
SPI Data Hold Time
SPI Enable Hold Time
SPI Clock Low Time
SPI Clock High Time
I
I
I
I
I
Start Condition Time
Stop Condition Time
I
Maximum SPI Frequency
SPI ENB High Time
SPI Data Setup Time
SPI ENB Setup Time
SPI Data Hold Time
SPI Enable Hold Time
SPI Clock Low Time
SPI Clock High Time
I
I
2
2
2
2
2
2
2
2
2
2
2
2
C Clock Period
C Data Setup Time
C Data Stable Time
C Data Hold Time
C/SPI Input Voltage High
C/SPI Input Voltage Low
C Clock Period
C Data Setup Time
C Data Stable Time
C Data Hold Time
C/SPI Input Voltage High
C/SPI Input Voltage Low
Parameter
Parameter
DD
DD
(Notes 2, 7)
(Notes 2, 7)
= 5.0V and 3.3V, T
= 5.0V and 3.3V, T
A
A
Conditions
Conditions
= 25°C, 2.2V
= 25°C, 1.7V
9
≤
≤
I
I
2
2
CSPI_V
CSPI_V
DD
DD
(Note 4)
Typical
(Note 4)
≤
≤
Typical
5.5V, unless otherwise specified.
2.2V, unless otherwise specified.
LM4946
LM4946
Limits (Notes 5,
Limits (Notes
0.25 xI
0.7xI
0.7xI
0.3xI
1000
5, 7)
250
250
250
250
250
250
250
250
250
250
500
500
V
V
100
100
100
100
100
100
100
100
100
500
500
V
V
2.5
2.5
7)
0
2
0
2
2
DD
DD
DD
DD
CSPI
2
CSPI
CSPI
CSPI
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kHz (max)
kHz (max)
(Limits)
µs (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
V (max)
(Limits)
µs (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
V (max)
V (min)
V (min)
Units
Units