Overview
The ADG918BRMZ-REEL, produced by Analog Devices Inc., is a wideband RF switch designed using a CMOS process. This component is part of the ADG918 series and is characterized by its high isolation and low insertion loss, making it suitable for various RF and microwave applications. The ADG918 is an absorptive (matched) switch with 50 Ω terminated shunt legs, providing excellent performance up to 1 GHz.
Key Specifications
| Parameter | Symbol | Test Conditions/Comments | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Operating Voltage Range | VDD | 1.65 | 2.75 | V | ||
| Isolation (RF1 to RF2) | S21, S12 | 100 MHz | 54 | 57 | dB | |
| Isolation (RF1 to RF2) | S21, S12 | 500 MHz | 41 | 44 | dB | |
| Isolation (RF1 to RF2) | S21, S12 | 1000 MHz | 31 | 37 | dB | |
| Insertion Loss | 100 MHz | 0.8 | dB | |||
| On Switching Time | tON | 50% CTRL to 90% RF | 6.6 | 10 | ns | |
| Off Switching Time | tOFF | 50% CTRL to 10% RF | 6.5 | 9.5 | ns | |
| Rise Time | tRISE | 10% to 90% RF | 6.1 | 9 | ns | |
| Fall Time | tFALL | 90% to 10% RF | 6.1 | 9 | ns | |
| Operating Temperature Range | -40 | 85 | °C |
Key Features
- High isolation and low insertion loss up to 1 GHz
- Single 1.65 V to 2.75 V power supply
- CMOS/LVTTL control logic
- Low power consumption (<1 µA)
- Available in 8-lead MSOP and 3 mm × 3 mm LFCSP packages
- High off isolation (43 dB at 1 GHz) and low insertion loss (0.8 dB at 1 GHz)
- Fast switching times: tON = 6.6 ns, tOFF = 6.5 ns
Applications
- Wireless communications
- General-purpose RF switching
- Dual-band applications
- High-speed filter selection
- Digital transceiver front-end switch
- IF switching
- Tuner modules
- Antenna diversity switching
Q & A
- What is the operating voltage range of the ADG918BRMZ-REEL?
The operating voltage range is from 1.65 V to 2.75 V. - What is the typical isolation at 1 GHz for the ADG918?
The typical isolation at 1 GHz is 37 dB. - What are the package options for the ADG918BRMZ-REEL?
The component is available in 8-lead MSOP and 3 mm × 3 mm LFCSP packages. - What is the typical insertion loss at 1 GHz?
The typical insertion loss at 1 GHz is 0.8 dB. - What are the switching times for the ADG918?
The on switching time (tON) is 6.6 ns, and the off switching time (tOFF) is 6.5 ns. - What is the operating temperature range for the ADG918?
The operating temperature range is from -40°C to +85°C. - What control logic does the ADG918 use?
The ADG918 uses CMOS/LVTTL control logic. - What are some common applications of the ADG918?
Common applications include wireless communications, general-purpose RF switching, dual-band applications, high-speed filter selection, and antenna diversity switching. - How much power does the ADG918 consume?
The ADG918 consumes less than 1 µA of power. - What is the junction temperature of the ADG918?
The junction temperature is 150°C.
