參數(shù)資料
型號(hào)： LM4802B
廠商： National Semiconductor Corporation
英文描述： Audio Power Amplifier with Boost Converter to Drive Ceramic Speakers
中文描述： 音頻功率放大器與升壓轉(zhuǎn)換器驅(qū)動(dòng)陶瓷揚(yáng)聲器
文件頁(yè)數(shù)： 3/17頁(yè)
文件大小： 1224K
代理商： LM4802B
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)
6.0V
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
≤
5.5V
2.7V
≤
V
1
≤
6.1V
Electrical Characteristics V
DD
= 4.2V
(Notes 1, 2)
The following specifications apply for V
DD
= 4.2V, A
V-BTL
= 26dB, Z
L
= 2μF+30
, C
B
= 1.0μF, R
1
= 56k
, R
2
= 13k
unless
otherwise specified. Limits apply for T
A
= 25C. See Figure 1.
Symbol
Parameter
Conditions
LM4802B
Units
(Limits)
Typical
(Note 6)
12
0.1
Limit
(Notes 7, 8)
22
2
1.5
1.4
0.5
0.4
110
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
80
msec
(max)
mV (max)
C (min)
V
OS
TSD
Output Offset Voltage
Thermal Shutdown Temperature
5
40
125
V
OUT
Output Voltage Swing
THD = 1% (max), f = 1kHz,
Mono BTL
V
OUT
= 10Vp-p, f = 1kHz
A-Weighted Filter, V
IN
= 0V
V
RIPPLE
= 200mV
p-p
, f = 100Hz
Note 11
12
11
V
pp
(min)
THD+N
Total Harmomic Distortion + Noise
Output Noise
Power Supply Rejection Ratio
Feedback Pin Reference Voltage
0.05
105
66
1.23
1
%
μV
dB
V
e
OS
PSRR
V
FB
Electrical Characteristics V
DD
= 3.0V
(Notes 1, 2)
The following specifications apply for V
DD
= 3.0V, A
V-BTL
= 26dB, Z
L
= 2μF+30
, C
B
= 1.0μF, R
1
= 56k
, R
2
= 13k
unless
otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4802B
Units
(Limits)
Typical
(Note 6)
15
0.1
Limit
(Notes 7, 8)
25
2
1.5
1.4
0.5
0.4
110
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
80
msec
(max)
mV (max)
C (min))
V
OS
TSD
Output Offset Voltage
Thermal Shutdown Temperature
5
40
125
V
OUT
Output Voltage Swing
THD = 1% (max), f = 1kHz,
Mono BTL
12
11
V
pp
(min)
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4802BLQ 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4802BLQ/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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4802BLQBD 功能描述:音頻 IC 開發(fā)工具 LM4802BLQ EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
LM4802BLQBD/NOPB 制造商:Texas Instruments 功能描述:Evaluation Kit For Audio Power Amplifier With Boost Converter To Drive Ceramic Speakers
LM4802BLQX 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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