Overview
The ADG918BRMZ-500RL7 from Analog Devices Inc. is a high-performance, wideband single-pole double-throw (SPDT) RF switch. This device is designed using a CMOS process, which provides high isolation and low insertion loss up to 1 GHz. It is particularly suited for wireless and general-purpose high-frequency switching applications due to its low power consumption and high isolation characteristics.
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 | 39 | 42 | dB | |
| Isolation (RF1 to RF2) | S21, S12 | 1000 MHz | 31 | 33 | dB | |
| Return Loss (On Channel) | S11, S22 | DC to 100 MHz | 21 | 27 | dB | |
| Return Loss (On Channel) | S11, S22 | 500 MHz | 22 | 27 | dB | |
| Return Loss (On Channel) | S11, S22 | 1000 MHz | 22 | 26 | 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 | Industrial (B Version) | −40 | +85 | °C | ||
| Storage Temperature Range | −65 | +150 | °C |
Key Features
- High Isolation and Low Insertion Loss: The ADG918BRMZ-500RL7 offers high isolation up to 57 dB at 100 MHz and low insertion loss, making it suitable for high-frequency applications.
- Wide Frequency Range: Operates from DC to 4 GHz, ensuring versatility in various RF and microwave applications.
- CMOS Control Logic: Compatible with both CMOS and LVTTL control inputs, eliminating the need for external controlling circuitry.
- Low Power Consumption: Ideal for battery-powered and power-sensitive applications due to its low power requirements.
- Compact Package: Available in an 8-pin MSOP package, which is space-efficient and suitable for dense board designs.
- High Switching Speed: Fast switching times with on-switching time of 6.6 ns and off-switching time of 6.5 ns.
Applications
- Wireless Communication Systems: Suitable for use in cellular base stations, wireless local area networks (WLAN), and other wireless communication systems.
- RF and Microwave Systems: Used in various RF and microwave applications such as radar, satellite communications, and test equipment.
- General-Purpose High-Frequency Switching: Ideal for any application requiring high isolation and low insertion loss at high frequencies.
- Medical and Industrial Equipment: Can be used in medical imaging, industrial control systems, and other high-frequency applications.
Q & A
- What is the operating voltage range of the ADG918BRMZ-500RL7?
The operating voltage range is from 1.65 V to 2.75 V.
- What is the maximum frequency range of the ADG918BRMZ-500RL7?
The device operates from DC to 4 GHz.
- What type of control inputs does the ADG918BRMZ-500RL7 support?
The device supports both CMOS and LVTTL control inputs.
- What is the typical isolation at 100 MHz for the ADG918BRMZ-500RL7?
The typical isolation at 100 MHz is 57 dB.
- What is the on-switching time of the ADG918BRMZ-500RL7?
The on-switching time is typically 6.6 ns.
- What is the off-switching time of the ADG918BRMZ-500RL7?
The off-switching time is typically 6.5 ns.
- What is the package type of the ADG918BRMZ-500RL7?
The device is available in an 8-pin MSOP package.
- What is the operating temperature range for the ADG918BRMZ-500RL7?
The operating temperature range is from −40°C to +85°C for the industrial (B Version).
- Is the ADG918BRMZ-500RL7 RoHS compliant?
Yes, the device is RoHS compliant.
- What are some common applications of the ADG918BRMZ-500RL7?
Common applications include wireless communication systems, RF and microwave systems, and general-purpose high-frequency switching.
