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參數(shù)資料
| 型號： | MAX2235EUP |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 衰減器 |
| 英文描述： | +3.6V, 1W Autoramping Power Amplifier for 900MHz Applications |
| 中文描述： | 800 MHz - 1000 MHz RF/MICROWAVE WIDE BAND MEDIUM POWER AMPLIFIER |
| 封裝： | TSSOP-20 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 149K |
| 代理商： | MAX2235EUP |
M
+3.6V, 1W Autoramping Power
Amplifier for 900MHz Applic ations
_______________________________________________________________________________________
5
0
400
200
800
600
1200
1000
1400
0
40
CAPACITANCE (nF)
60
20
80
100
120
RISE TIME vs. RAMPING CAPACITANCE
M
R
μ
s
FULL POWER = +20dBm
FULL POWER = +10dBm
FULL POWER = +30dBm
Typic al Operating Charac teristic s (c ontinued)
(MAX2235 Evaluation Kit, GC = unconnected, f
RFIN
= 836MHz, V
CC
= V
SHDN
= +3.6V, T
A
= +25°C, unless otherwise noted.)
0
400
200
800
600
1000
1200
0
40
CAPACITANCE (nF)
60
20
80
100
120
FALL TIME vs. RAMPING CAPACITANCE
M
F
μ
s
FULL POWER = +20dBm
FULL POWER = +10dBm
FULL POWER = +30dBm
NAME
FUNCTION
1
RFIN
RF Input. A DC blocking capacitor in series with RFIN is required. The value of the capacitor depends on
the operating frequency.
PIN
Pin Desc ription
2
GND
GND connection for the input stage (variable-gain amplifier). Connect to the circuit board ground plane
with a separate low-inductance path (via).
Supply Voltage Input for the Input Stage. Bypass with its own 100pF low-inductance capacitor to GND.
Supply Voltage Input for Bias Circuitry. Bypass with its own 100pF low-inductance capacitor and a 1000pF
capacitor to GND, to minimize RF signal coupling into the bias circuits.
Supply Voltage Input for the Input Stage. Bypass with its own 22pF low-inductance capacitor to pins 6 and 7.
GND Connection for the Second-Stage Amplifier (driver). Connect to the circuit board ground plane with a
separate low-inductance path (via).
3
V
CC
4
V
CC
5
V
CC
6, 7, 10
GND
8
V
CC
Supply Voltage Input for the Second Stage. Bypass with its own 220pF and 1000pF low-inductance
capacitors to GND.
Supply Voltage Input for the Second Stage. Connect to pin 8.
Power Ramp Pin. Connect a capacitor between RAMP and REF to provide a gradual linear power-up/down
ramp. See Detailed Description
Reference Voltage for RAMP Capacitor. The reference is internally set to 1.9V.
9
V
CC
11
RAMP
12
REF
13, 14,
17, 18,
SLUG
GND
GND Connection for the Power Stage. Solder the slug to the circuit board ground plane. Connect pins 13,
14, 17, and 18 to the slug with a straight board trace under the chip.
15
RFOUT
Power Amplifier Output. See Typical Operating Circuit for an example of a matching network, which pro-
vides optimal output power at 836MHz. Connect to pin 16.
Power Amplifier Output. Connect to pin 15.
Shutdown Pin. Drive
SHDN
low to turn the device off. Drive above 2.0V to turn the device on. Drive V
SHDN
> 2.0V and V
GC
< 0.4V for standby mode.
Gain-Control Pin. Apply V
GC
between 0.6V and 2.3V to control the output power with a monotonic dB/V
relationship. See the Typical Operating Characteristics for a typical relationship.
16
RFOUT
19
SHDN
20
GC
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX2235EUP+ | 功能描述:射頻放大器 Autoramping Power Amp for 900MHz Ap 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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 封裝:Reel |
| MAX2235EUP+T | 功能描述:射頻放大器 Autoramping Power Amp for 900MHz Ap 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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 封裝:Reel |
| MAX2235EUP-T | 功能描述:射頻放大器 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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 封裝:Reel |
| MAX2235EVKIT | 功能描述:放大器 IC 開發(fā)工具 MAX2235 Eval Kit RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V |
| MAX2235EVKIT+ | 功能描述:射頻開發(fā)工具 MAX2235 Eval Kit RoHS:否 制造商:Taiyo Yuden 產(chǎn)品:Wireless Modules 類型:Wireless Audio 工具用于評估:WYSAAVDX7 頻率: 工作電源電壓:3.4 V to 5.5 V |
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