參數(shù)資料
型號(hào): MAX19794ETX+
廠商: Maxim Integrated
文件頁數(shù): 12/25頁
文件大小: 5676K
描述: ATTENUATR 46DB 50OHM 4GHZ 36TQFN
標(biāo)準(zhǔn)包裝: 50
衰減值: 0dB ~ 46.4dB
頻率范圍: 500MHz ~ 4GHz
阻抗: 50 歐姆
封裝/外殼: 36-WFQFN 裸露焊盤
MAX19794
10MHz to 500MHz Dual Analog Voltage Variable
Attenuator with On-Chip 10-Bit SPI-Controlled DAC
  12
Typical Operating Characteristics (continued)
(Typical Application Circuit, V
CC
 = 3.3V, configured for single attenuator, RF ports are driven from 50I sources and loaded into 50I,
V
DAC_LOGIC
 = 0V, RDBK_EN = logic 0, V
CTRL
 = 1.0V, P
IN
 = 0dBm, f
RF
 = 55MHz, T
C 
= +25NC, unless otherwise noted.).
SUPPLY CURRENT vs. V
CC
V
CC
 (V)
3.25
3.35
9
10
11
8
3.15
3.45
T
C
 = -40癈
T
C
 = +85癈
T
C
 = +25癈
INPUT MATCH vs. RF FREQUENCY
OVER CODE SETTINGS
RF FREQUENCY (MHz)
375
250
125
-40
-30
-20
C10 = C11 = 10nF
-10
0
-50
0
500
OUTPUT MATCH vs. RF FREQUENCY
OVER CODE SETTINGS
RF FREQUENCY (MHz)
375
250
125
-40
-30
-20
C10 = C11 = 10nF
-10
0
-50
0
500
ATTENUATION vs. RF FREQUENCY
OVER CODE SETTINGS
RF FREQUENCY (MHz)
375
250
125
-20
-10
0
-30
0
500
C10 = C11 = 10nF
ATTENUATION vs. DAC CODE
DAC CODE
768
512
256
-25
-20
-15
-10
-5
0
-30
0
1024
C10 = C11 = 10nF
10MHz, 55MHz, 100MHz, 200MHz
INPUT MATCH vs. DAC CODE
DAC CODE
768
512
256
-40
-30
-20
-10
0
-50
0
1024
C10 = C11 = 10nF
10MHz
100MHz
55MHz, 200MHz
ATTENUATION vs. DAC CODE
DAC CODE
768
512
256
-25
-20
-15
-10
-5
0
-30
0
1024
f
RF
 = 55MHz
C10 = C11 = 10nF
T
C
 = -40癈, +25癈, +85癈
OUTPUT MATCH vs. DAC CODE
DAC CODE
768
512
256
-40
-30
-20
-10
0
-50
0
1024
C10 = C11 = 10nF
10MHz
100MHz, 200MHz
55MHz
S21 PHASE CHANGE vs. DAC CODE
DAC CODE
768
512
256
-20
-10
0
10
20
30
-30
0
1024
C10 = C11 = 10nF
200MHz
100MHz
10MHz
55MHz
REFERENCED TO INSERTION LOSS STATE
POSITIVE PHASE = ELECTRICALLY SHORTER
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參數(shù)描述
MAX19794ETX+ 功能描述:衰減器 -IC 10MHz to 500MHz Attenuator RoHS:否 制造商:Skyworks Solutions, Inc. 最大衰減:18 dB 容差: 阻抗: 功率額定值:30 dBm 安裝風(fēng)格:SMD/SMT 工作溫度范圍:- 40 C to + 85 C
MAX19794ETX+T 功能描述:衰減器 -IC 10MHz to 500MHz Attenuator RoHS:否 制造商:Skyworks Solutions, Inc. 最大衰減:18 dB 容差: 阻抗: 功率額定值:30 dBm 安裝風(fēng)格:SMD/SMT 工作溫度范圍:- 40 C to + 85 C
MAX1979ETM 功能描述:電壓模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
MAX1979ETM+ 功能描述:電壓模式 PWM 控制器 Integrated Temp Ctlr for Peltier Modules RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
MAX1979ETM+T 功能描述:電壓模式 PWM 控制器 Integrated Temp Ctlr for Peltier Modules RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel