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參數(shù)資料
| 型號： | LM4664 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 音頻放大器 |
| 英文描述： | Filterless High Efficiency 1.1W Switching Audio Amplifier |
| 中文描述： | 濾波高效率開關(guān)音頻放大器1.1W |
| 文件頁數(shù)： | 3/14頁 |
| 文件大?。?/td> | 550K |
| 代理商： | LM4664 |
Absolute Maximum Ratings
(Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
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
J
)
6.0V
65C to +150C
V
DD
+ 0.3V
≥
V
≥
GND - 0.3V
Internally Limited
7.0kV
250V
150C
Thermal Resistance
θ
JA
(micro SMD)
Soldering Information
See AN-1112 "microSMD Wafers Level Chip Scale
Package."
220C/W
Operating Ratings
(Note 2)
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
40C
≤
T
A
≤
85C
2.7V
≤
V
DD
≤
5.5V
Electrical Characteristics V
DD
= 3V
The following specifications apply for V
DD
= 3V and R
L
= 15μH + 8
+ 15μH unless otherwise specified. Limits apply for T
A
=
25C.
(Notes 1, 2)
Symbol
Parameter
Conditions
LM4664
Units
(Limits)
Typical
(Note 6)
3.50
3.75
0.4
1.0
0.8
1.0
0.8
6
12
10
7
425
0.35
90
60
56
(f = 217Hz)
65
(f = 217Hz)
41
Limit
(Notes 7, 8)
I
DD
Quiescent Power Supply Current
V
IN
= 0V, No Load
V
IN
= 0V, R
L
= 15μH + 8
+ 15μH
V
SD
= GND (Note 9)
5.0
2.0
1.4
0.4
1.4
0.4
mA
mA (max)
μA (max)
V (min)
V (max)
V (min)
V (max)
dB
dB
mV (max)
ms
mW
%
k
k
I
SD
V
SDIH
V
SDIL
V
GSIH
V
GSIL
A
V
A
V
V
OS
T
WU
P
o
THD+N
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
V
Gain Select
= V
DD
V
Gain Select
= GND
25
THD = 1% (max), f = 1kHz
P
O
= 100mW
RMS
; f
IN
= 1kHz
V
Gain Select
= V
DD
V
Gain Select
= GND
V
Ripple
= 100mV
RMS
sine wave
Inputs terminated to GND
V
Ripple
= 100mV
RMS
sine wave
P
OUT
= 10mW,1kHz
V
Ripple
= 100mV
RMS
,
f
Ripple
= 217Hz
P
O
= 400mW
RMS
; A-Weighted Filter
A-Weighted filter, V
in
= 0V
R
IN
Differential Input Resistance
PSRR
Power Supply Rejection Ratio
dB
dB
CMRR
Common Mode Rejection Ratio
dB
SNR
Signal to Noise Ratio
Output Noise
83
125
dB
μV
e
OUT
L
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| LM4665 | Filterless High Efficiency 1W Switching Audio Amplifier |
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| LM4665MM | Filterless High Efficiency 1W Switching Audio Amplifier |
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相關(guān)代理商/技術(shù)參數(shù) |
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| LM4664ITL | 制造商:Texas Instruments 功能描述:AMP FILTERLESS CLASS-A 1.1W 4664 |
| LM4665 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Filterless High Efficiency 1W Switching Audio Amplifier |
| LM4665 WAF | 制造商:Texas Instruments 功能描述: |
| LM4665B WAF | 制造商:Texas Instruments 功能描述: |
| LM4665ITL | 制造商:Texas Instruments 功能描述:Audio Amp Speaker 1-CH Mono 1.4W Class-AB 9-Pin uSMD T/R 制造商:Texas Instruments 功能描述:1W Class D Switching Amplifier,LM4665ITL |
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