參數(shù)資料
型號(hào)： LM4804
廠商： National Semiconductor Corporation
英文描述： Low Voltage High Power Audio Power Amplifier
中文描述： 高功率低電壓音頻功率放大器
文件頁(yè)數(shù)： 3/16頁(yè)
文件大?。?/td> 820K
代理商： LM4804
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 (V
DD
)
Supply Voltage (V
1
)
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
6.5V
6.5V
65C to +150C
0.3V to V
DD
+ 0.3V
Internally limited
2000V
200V
Junction Temperature
Thermal Resistance
θ
JA
(LLP)
See AN-1187 ’Leadless Leadframe Packaging (LLP).’
125C
59C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage (V
DD
)
Supply Voltage (V
1
)
40C
≤
T
A
≤
+85C
3V
≤
V
DD
≤
5V
2.7V
≤
V
1
≤
6.1V
Electrical Characteristics V
DD
= 4.2V
(Notes 1, 2)
The following specifications apply for V
DD
= 4.2V, V
1
= 6.0V, A
V-BTL
= 20dB, R
L
= 8
, f
IN
= 1kHz, C
B
= 1.0μF, R
1
= 301k
, R
2
= 78.7k
unless otherwise specified. Limits apply for T
A
= 25C. See Figure 1.
Symbol
Parameter
Conditions
LM4804
Units
(Limits)
Typical
(Note 6)
11
0.1
Limit
(Notes 7, 8)
22
2
0.7V
DD
1.4
0.15V
DD
0.4
I
DD
I
SD
V
SDIH
Quiescent Power Supply Current
Shutdown Current
Shutdown Voltage Input High
V
IN
= 0, R
LOAD
=
∞
V
SHUTDOWN
= GND (Notes 9, 10)
SD1
SD2
SD1
SD2
C
B
= 1.0μF
mA (max)
μA (max)
V (min)
V
SDIL
Shutdown Voltage Input Low
V (max)
T
WU
Wake-up Time
70
msec
(max)
mV (max)
C (min)
W (min)
%
V
OS
TSD
P
OUT
THD+N
Output Offset Voltage
Thermal Shutdown Temperature
Output Power
Total Harmomic Distortion + Noise
Output Noise
4
40
125
1.7
0.5
THD = 2% (max)
P
OUT
= 1.5W
A-Weighted Filter, V
IN
= 0V,
Input Referred
V
RIPPLE
= 200mV
p-p
f = 217Hz
f = 1kHz
1.9
0.13
22
e
OS
μV
PSRR
Power Supply Rejection Ratio
72
67
1.24
dB (min)
V
FB
Feedback Pin Reference Voltage
1.2772
1.2028
V (max)
V (min)
Electrical Characteristics V
DD
= 3.0V
(Notes 1, 2)
The following specifications apply for V
= 3.0V, V
= 6.0V, A
V-BTL
= 20dB, R
L
= 8
, f
IN
= 1kHz, C
B
= 1.0μF, R
1
= 301k
, R
2
= 78.7k
unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4804
Units
(Limits)
Typical
(Note 6)
19
0.1
Limit
(Notes 7, 8)
33
2
0.7V
DD
1.4
0.15V
DD
0.4
I
DD
I
SD
V
SDIH
Quiescent Power Supply Current
Shutdown Current
Shutdown Voltage Input High
V
DD
= 3.2V, V
IN
= 0, R
LOAD
=
∞
V
SHUTDOWN
= GND (Notes 9, 10)
SD1
SD2
SD1
SD2
C
B
= 1.0μF
mA (max)
μA (max)
V (min)
V
SDIL
Shutdown Voltage Input Low
V (max)
T
WU
Wake-up Time
70
msec
(max)
mV (max)
V
OS
Output Offset Voltage
3
40
L
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LM4804LQ 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4804LQ/NOPB 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4804LQX 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4804LQX/NOPB 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4805 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:3V, 1W Boosted Boomer
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