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參數(shù)資料
| 型號： | MAX4473EUA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | Low-Cost, Low-Voltage, PA Power Control Amplifier for GSM Applications in 8-Pin レMAX |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封裝： | MICRO MAX PACKAGE-8 |
| 文件頁數(shù)： | 5/6頁 |
| 文件大?。?/td> | 140K |
| 代理商： | MAX4473EUA |
S ense Resistor S elec tion (R
S ENS E
)
Choose R
SENSE
based on the following criteria:
Voltage Loss:
A high R
SENSE
value causes the
power-source voltage to degrade through IR loss.
For minimal voltage loss, use low R
SENSE
values.
Accuracy:
A high R
SENSE
value allows lower cur-
rents to be measured more accurately because input
offset voltages become less significant when the
sense voltage is larger. For best performance, select
R
SENSE
to provide approximately 100mV of sense
voltage for the full-scale current in each application.
Efficiency and Power Dissipation:
At high current
levels, the I
2
R losses in R
SENSE
are significant. Take
this into consideration when choosing the resistor
value and its power dissipation (wattage) rating.
Also, the sense resistor’s value may drift if it is
allowed to heat up excessively.
M
Low-Cost, Low-Voltage, PA Power Control
Amplifier for GS M Applic ations in 8-Pin μMAX
_______________________________________________________________________________________
5
_________________________Test Circ uit
2N3904
SR1
GND
R
SENSE
SR2
OUT
SR3
PC
SHDN
V
CC
V
CC
C
L
300pF
R
L
10k
RG1
1k
1%
RG2
1k
1%
RG3
2.5k
1%
100
0.1%
0.1μF
MAX4473
R
E
750
Pin Configuration
SR3
GND
PC
1
2
8
7
V
CC
OUT
SR2
SR1
μMAX/SO
TOP VIEW
3
4
6
5
MAX4473
SHDN
Chip Information
TRANSISTOR COUNT: 348
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4473EUA+ | 功能描述:功率放大器 PA Power Control Amp for GSM Aps RoHS:否 制造商:TriQuint Semiconductor 封裝 / 箱體: 工作電源電壓:28 V 電源電流:2.5 A 工作溫度范圍: 封裝: |
| MAX4473EUA+T | 功能描述:射頻放大器 PA Power Control Amp for GSM Aps RoHS:否 制造商:Skyworks Solutions, Inc. 類型:Low Noise Amplifier 工作頻率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 輸出截獲點:37.5 dBm 功率增益類型:32 dB 噪聲系數(shù):0.85 dB 工作電源電壓:5 V 電源電流:125 mA 測試頻率:2.6 GHz 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 封裝:Reel |
| MAX4473EUA-T | 功能描述:射頻放大器 PA Power Control Amp for GSM Aps RoHS:否 制造商:Skyworks Solutions, Inc. 類型:Low Noise Amplifier 工作頻率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 輸出截獲點:37.5 dBm 功率增益類型:32 dB 噪聲系數(shù):0.85 dB 工作電源電壓:5 V 電源電流:125 mA 測試頻率:2.6 GHz 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 封裝:Reel |
| MAX4474EKA | 制造商:Maxim Integrated Products 功能描述:SINGLE/DUAL +1.8V/750NA SC70 RAI - Cut Tape Product |
| MAX4474EKA+ | 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:OP AMP DUAL GP R-R O/P 5.5V 8PIN SOT-23 - Rail/Tube |
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