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參數(shù)資料
| 型號： | LM4890 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 1 Watt Audio Power Amplifier |
| 中文描述： | 1瓦音頻功率放大器 |
| 文件頁數(shù)： | 4/31頁 |
| 文件大小： | 1208K |
| 代理商： | LM4890 |
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Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 2)
Supply Voltage (Note 11)
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
Junction Temperature
Thermal Resistance
θ
JC
(SOP)
θ
JA
(SOP)
θ
JA
(8 Bump micro SMD, Note 12)
6.0V
65C to +150C
0.3V to V
DD
+0.3V
Internally Limited
2000V
150C
35C/W
150C/W
220C/W
θ
JA
(9 Bump micro SMD, Note 12)
θ
JC
(MSOP)
θ
JA
(MSOP)
θ
JA
(LLP)
Soldering Information
See AN-1112 "microSMD Wafers Level Chip Scale
Package."
See AN-1187 "Leadless Leadframe Package (LLP)."
180C/W
56C/W
190C/W
220C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
40C
≤
T
A
≤
85C
2.2V
≤
V
DD
≤
5.5V
Electrical Characteristics V
DD
= 5V
The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for T
A
= 25C.
(Notes 1, 2, 8)
Symbol
Parameter
Conditions
LM4890
Units
(Limits)
Typical
(Note 6)
4
5
0.1
Limit
(Notes 7, 9)
8
10
2.0
1.2
0.4
50
9.7
7.0
0.8
220
150
190
I
DD
Quiescent Power Supply Current
V
IN
= 0V, I
o
= 0A, No Load
V
IN
= 0V, I
o
= 0A, 8
Load
V
SHUTDOWN
= 0V
mA (max)
mA (max)
μA (max)
V (min)
V (max)
mV (max)
k
(max)
k
(min)
W
ms (max)
C (min)
C (max)
%
dB (min)
I
SD
V
SDIH
V
SDIL
V
OS
R
OUT-GND
Resistor Output to GND (Note 10)
Shutdown Current
Shutdown Voltage Input High
Shutdown Voltage Input Low
Output Ofsett Voltage
7
8.5
P
o
T
WU
T
SD
Output Power ( 8
)
Wake-up time
Thermal Shutdown Temperature
THD = 2% (max); f = 1 kHz
1.0
170
170
THD+N
PSRR
Total Harmonic Distortion+Noise
Power Supply Rejection Ratio
(Note 14)
P
o
= 0.4 Wrms; f = 1kHz
V
ripple
= 200mV sine p-p
Input Terminated with 10 ohms to
ground
8
load
0.1
62 (f =
217Hz)
66 (f = 1kHz)
1.0
55
T
SDT
Shut Down Time
ms (max)
Electrical Characteristics V
DD
= 3V
The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for T
A
= 25C.
(Notes 1, 2, 8)
Symbol
Parameter
Conditions
LM4890
Units
(Limits)
Typical
(Note 6)
3.5
4.5
0.1
Limit
(Notes 7, 9)
7
9
2.0
1.2
0.4
50
9.7
7.0
180
I
DD
Quiescent Power Supply Current
V
IN
= 0V, I
o
= 0A, No Load
V
IN
= 0V, I
o
= 0A, 8
Load
V
SHUTDOWN
= 0V
mA (max)
mA (max)
μA (max)
V(min)
V(max)
mV (max)
k
(max)
k
(min)
ms (max)
I
SD
V
SDIH
V
SDIL
V
OS
R
OUT-GND
Resistor Output to Gnd (Note 10)
Shutdown Current
Shutdown Voltage Input High
Shutdown Voltage Input Low
Output Offset Voltage
7
8.5
T
WU
Wake-up time
120
L
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM48901 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Audio Power Amplifier Series |
| LM48901RL | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Audio Power Amplifier Series |
| LM48901RL/NOPB | 功能描述:音頻放大器 Quad Class D Spatial Array 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 |
| LM48901RLX | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Audio Power Amplifier Series |
| LM48901RLX/NOPB | 功能描述:音頻放大器 Quad Class D Spatial Array 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 |
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