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參數(shù)資料
| 型號： | MAX19792ETX+ |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 15/23頁 |
| 文件大?。?/td> | 4796K |
| 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 |
15
Maxim Integrated
MAX19792
500MHz to 4000MHz Dual Analog Voltage Variable
Attenuator with On-Chip 10-Bit SPI-Controlled DAC
Pin Description (continued)
PIN
NAME
DESCRIPTION
13
V
CC
Analog Supply Voltage. Bypass to GND with a capacitor as close as possible to the device. See
the Typical Application Circuit.
14
REF_IN
DAC Reference Voltage Input (Optional)
15
REF_SEL
DAC Reference Voltage Selection Logic Input
Logic = 0 to enable on-chip DAC reference.
Logic = 1 to use off-chip DAC reference (pin 14).
16
DAC_LOGIC DAC Logic Control Input (Table 1)
17
COMP_OUT
Comparator Logic Output. Use a 4.7pF capacitor to reduce any potential rise-time glitching
when the comparator changes state.
18
MODE
Attenuator Control Mode Logic Input
Logic = 1 to enable attenuator step control.
Logic = 0 to enable attenuator SPI control.
19
DWN
Down Pulse Input
Logic pulse = 0 for each step-down.
20
UP
Up Pulse Input
Logic pulse = 0 for each step-up.
19/20
DWN/UP
Logic = 0 to both pins to reset the attenuator to a minimum attenuation state
21
CLK
SPI Clock Input
22
DIN
SPI Data Input
23
DOUT
SPI Data Output
24
CS
SPI Chip-Select Input
25
V
CC
Digital Supply Voltage. Bypass to GND with a capacitor as close as possible to the device.
See the Typical Application Circuit.
29
OUT_B
Attenuator B 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.
32
V
CC
Attenuator B Power Supply. Bypass to GND with a capacitor and resistor, as shown in the
Typical Application Circuit.
35
IN_B
Attenuator B 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.
EP
Exposed Pad. Internally connected to GND. Solder this exposed pad to a PCB pad that uses
multiple ground vias to provide heat transfer out of the device into the PCB ground planes.
These multiple via grounds are also required to achieve the noted RF performance. See the
Layout Considerations section.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX19792ETX+ | 功能描述:衰減器 -IC 500MHz to 3000MHz 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 |
| MAX19792ETX+T | 功能描述:衰減器 -IC 500MHz to 3000MHz 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 |
| MAX19793ETX+ | 功能描述:衰減器 -IC 2000MHz to 5000MHz 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 |
| MAX19793ETX+T | 功能描述:衰減器 -IC 2000MHz to 5000MHz 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+ | 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 |
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