lm4664 National Semiconductor Corporation, lm4664 Datasheet - Page 3

• Manufacturer Part Number: lm4664
• Description: Filterless High Efficiency 1.1w Switching Audio Amplifier
• Manufacturer: National Semiconductor Corporation

I
I
V
V
V
V
A
A
V
T
P
THD+N
R
PSRR
CMRR
SNR
e
DD
SD
Symbol
OUT
WU
SDIH
SDIL
GSIH
GSIL
V
V
OS
o
IN
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics V
The following specifications apply for V
25˚C.
Supply Voltage (Note1)
Storage Temperature
Voltage at Any Input Pin
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature (T
Quiescent Power Supply Current
Shutdown Current
Shutdown Voltage Input High
Shutdown Voltage Input Low
Gain Select Input High
Gain Select Input Low
Closed Loop Gain
Closed Loop Gain
Output Offset Voltage
Wake-up Time
Output Power
Total Harmonic Distortion+Noise
Differential Input Resistance
Power Supply Rejection Ratio
Common Mode Rejection Ratio
Signal to Noise Ratio
Output Noise
Parameter
J
)
V
DD
+ 0.3V ≥ V ≥ GND - 0.3V
DD
= 3V and R
Internally Limited
−65˚C to +150˚C
DD
V
V
V
V
V
THD = 1% (max), f = 1kHz
P
V
V
V
Inputs terminated to GND
V
P
V
f
P
A-Weighted filter, V
(Notes 1, 2)
Ripple
IN
IN
SD
Gain Select
Gain Select
O
Gain Select
Gain Select
Ripple
Ripple
OUT
Ripple
O
= 3V
= 100mW
= 400mW
= 0V, No Load
= 0V, R
= GND (Note 9)
= 10mW,1kHz
= 217Hz
150˚C
L
= 100mV
= 100mV
= 100mV
7.0kV
250V
6.0V
= 15µH + 8Ω + 15µH unless otherwise specified. Limits apply for T
= V
= GND
= V
= GND
L
Conditions
(Notes 1, 2)
RMS
RMS
= 15µH + 8Ω + 15µH
DD
DD
3
RMS
RMS
RMS
; f
; A-Weighted Filter
IN
in
Operating Ratings
,
Thermal Resistance
Soldering Information
See AN-1112 "microSMD Wafers Level Chip Scale
Package."
Temperature Range
Supply Voltage
sine wave
sine wave
= 0V
= 1kHz
θ
T
JA
MIN
(micro SMD)
≤ T
A
≤ T
MAX
(f = 217Hz)
(f = 217Hz)
(Note 6)
Typical
3.50
3.75
0.35
425
125
0.4
1.0
0.8
1.0
0.8
12
10
90
60
56
65
41
83
6
7
LM4664
(Note 2)
(Notes 7, 8)
Limit
5.0
2.0
1.4
0.4
1.4
0.4
25
−40˚C ≤ T
2.7V ≤ V
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mA (max)
mV (max)
µA (max)
DD
(Limits)
V (max)
V (max)
V (min)
V (min)
220˚C/W
A
Units
mW
mA
≤ 85˚C
ms
kΩ
kΩ
dB
dB
dB
dB
dB
dB
µV
≤ 5.5V
%
A
=