LM4946SQ National Semiconductor, LM4946SQ Datasheet - Page 9

• Manufacturer Part Number: LM4946SQ
• Description: IC,Audio Amplifier,TRIPLE,LLCC,24PIN,PLASTIC
• Manufacturer: National Semiconductor

Specifications of LM4946SQ

• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono/2-Channel Stereo
• Audio Amplifier Function: Headphone/Speaker
• Total Harmonic Distortion: 0.05%%
• Single Supply Voltage (typ): 3/5V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 72dB
• 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: 24
• Package Type: LLP EP
• Lead Free Status / Rohs Status: Not Compliant

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