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參數資料
| 型號： | MAX19794ETX+ |
| 廠商： | Maxim Integrated |
| 文件頁數： | 16/25頁 |
| 文件大小： | 5676K |
| 描述： | ATTENUATR 46DB 50OHM 4GHZ 36TQFN |
| 標準包裝： | 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 |
16
MAX19794
10MHz to 500MHz Dual Analog Voltage Variable
Attenuator with On-Chip 10-Bit SPI-Controlled DAC
Pin Description
Pin Configuration
PIN
NAME
DESCRIPTION
1, 3, 6, 7, 9, 10,
12, 26, 27, 28, 30,
33, 34, 36
GND
Ground. Connect to the boards ground plane using low-inductance layout techniques.
2
OUT_A
Attenuator A RF Output. Internally matched to 50I over the operating frequency band. This pin,
if used, requires a DC block. If this attenuator is not used, the pin can be left unconnected.
4, 31
RTNA, RTNB
Attenuator Ground Returns. These pins require a cap to ground and need to be placed close
to each pin. This capacitor centers the RF band of operation. See the Typical Operating
Characteristics section.
5
V
CC
Attentuator A Power Supply. Bypass to GND with a capacitor and a resistor as shown in the
Typical Application Circuit.
8
IN_A
Attenuator A RF Input. Internally matched to 50I over the operating frequency band. This pin,
if used, requires a DC block. If this attenuator is not used, the pin can be left unconnected.
11
CTRL
Attenuator Control Voltage Input. Except in the test mode where no voltage can be applied
to this pin. V
CC
must be present unless using a current-limiting resistor as noted in the
Applications Information section.
TQFN
6mm x 6mm
*INTERNALLY CONNECTED TO GND.
MODE
COMP_OUT
REF_SEL
REF_IN
CTRL
GND
V
CC
GND
DAC_LOGIC
GND
RTNB
V
CC
GND
IN_B
GND
GND
TOP VIEW
GND
OUT_B
MAX19794
35
36
34
33
12
11
10
13
14
1 2
EP*
4 5 6 7
27 26
24 23 22
3
25
+
32
15
31
28
29
30
16
17
18
8 9
21 20 19
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 輸出端數量:1 拓撲結構:Buck 輸出電壓:34 V 輸出電流: 開關頻率: 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 輸出端數量:1 拓撲結構:Buck 輸出電壓:34 V 輸出電流: 開關頻率: 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 輸出端數量:1 拓撲結構:Buck 輸出電壓:34 V 輸出電流: 開關頻率: 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 |
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