參數(shù)資料
型號： LM4805LQ
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 音頻／視頻放大
英文描述： 3V, 1W Boosted Boomer
中文描述： 1.2 W, 1 CHANNEL, AUDIO AMPLIFIER, QCC28
封裝： LLP-28
文件頁數(shù)： 3/18頁
文件大?。?/td> 1063K
代理商： LM4805LQ
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
2.7V
≤
V
DD
≤
4.6V
2.7V
≤
V
1
≤
6.1V
Electrical Characteristics V
DD
= 4.2V
(Notes 1, 2)
The following specifications apply for V
DD
= 4.2V, A
V-BTL
= 26dB, R
L
= 8
, C
B
= 1.0μF, R
1
= 51.1k
, R
2
= 15k
unless other-
wise specified. Limits apply for T
A
= 25C. See Figure 1.
Symbol
Parameter
Conditions
LM4805
Units
(Limits)
Typical
(Note 6)
10
0.1
Limit
(Notes 7, 8)
23
2
1.5
0.4
I
DD
I
SD
V
SDIH
V
SDIL
Quiescent Power Supply Current
Shutdown Current
Shutdown Voltage Input High
Shutdown Voltage Input Low
V
IN
= 0, R
LOAD
=
∞
V
SHUTDOWN
= GND (Notes 9, 10)
S/D1 and S/D2
S/D1 and S/D2
mA (max)
μA (max)
V (min)
V (max)
msec
(max)
mV (max)
C (min)
T
WU
Wake-up Time
C
B
= 1.0μF
80
110
V
OS
TSD
Output Offset Voltage
Thermal Shutdown Temperature
5
40
125
P
OUT
Output Power
THD = 1% (max), f = 1kHz,
Mono BTL
P
O
= 500mW, f = 1kHz
A-Weighted Filter, V
IN
= 0V
V
RIPPLE
= 200mV
p-p
, f = 100Hz,
inputs terminated
Note 11
1.2
0.9
W (min)
THD+N
Total Harmomic Distortion + Noise
Output Noise
Power Supply Rejection Ratio
0.2
105
66
0.5
% (max)
μV
dB
e
OS
PSRR
V
FB
Feedback Pin Reference Voltage
1.23
V
Electrical Characteristics V
DD
= 3.0V
(Notes 1, 2)
The following specifications apply for V
= 3.0V, A
V-BTL
= 26dB, R
L
= 8
, C
B
= 1.0μF, R
1
= 51.1k
, R
2
= 15k
unless other-
wise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4805
Units
(Limits)
Typical
(Note 6)
14
0.1
Limit
(Notes 7, 8)
27
2
1.5
0.4
I
DD
I
SD
V
SDIH
V
SDIL
Quiescent Power Supply Current
Shutdown Current
Shutdown Voltage Input High
Shutdown Voltage Input Low
V
DD
= 3.2V, V
IN
= 0, R
LOAD
=
∞
V
SHUTDOWN
= GND (Notes 9, 10)
S/D1 and S/D2
S/D1 and S/D2
mA (max)
μA (max)
V (min)
V (max)
msec
(max)
mV (max)
C (min))
T
WU
Wake-up Time
C
B
= 1.0μF
80
110
V
OS
TSD
Output Offset Voltage
Thermal Shutdown Temperature
5
40
125
P
OUT
Output Power
THD = 2% (max), f = 1kHz,
Mono BTL
P
O
= 500mW, f
IN
= 1kHz
A-Weighted Filter, V
IN
= 0V
V
RIPPLE
= 200mV
p-p
, f = 100Hz
1
0.85
W (min)
THD+N
Total Harmomic Distortion + Noise
Output Noise
Power Supply Rejection Ratio
0.25
105
66
0.55
% (max)
μV
dB (min)
e
OS
PSRR
L
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LM4805LQ/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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4805LQX 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4805LQX/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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4806 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual 105mW Headphone Amplifier with Active-Low Shutdown Mode
LM4808 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
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