Overview
The ADG919BRM-REEL is a wideband RF switch produced by Analog Devices Inc. This component is part of the ADG918/ADG919 series, which utilizes a CMOS process to offer high isolation and low insertion loss up to 1 GHz. The ADG919 is specifically a reflective switch, designed to provide high off-isolation and low insertion loss, making it suitable for various high-frequency applications.
Key Specifications
| Parameter | Symbol | Test Conditions/Comments | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Operating Frequency | - | DC to 4 GHz | - | - | - | Hz |
| Insertion Loss | S21, S12 | DC to 100 MHz; VDD = 2.5 V ± 10% | 0.4 | 0.7 | 0.8 | dB |
| Insertion Loss | S21, S12 | 500 MHz; VDD = 2.5 V ± 10% | 0.5 | 0.8 | 1.25 | dB |
| Insertion Loss | S21, S12 | 1000 MHz; VDD = 2.5 V ± 10% | 0.8 | 1.25 | - | dB |
| Isolation | - | 1 GHz | 43 | - | - | 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 |
| Input High Voltage | VINH | VDD = 2.25 V to 2.75 V | 1.7 | - | - | V |
| Input Low Voltage | VINL | VDD = 2.25 V to 2.75 V | 0.7 | - | - | V |
| Input Leakage Current | II | 0 V ≤ VIN ≤ 2.75 V | ±0.1 | - | ±1 | μA |
| Power Supply Voltage | VDD | - | 1.65 | - | 2.75 | V |
| Quiescent Power Supply Current | IDD | Digital inputs = 0 V or VDD | 0.1 | - | 1 | μA |
Key Features
- Wideband Operation: The ADG919 operates up to 4 GHz with a -3 dB frequency point at 4 GHz.
- High Isolation: Offers high off-isolation of up to 43 dB at 1 GHz.
- Low Insertion Loss: Low insertion loss of 0.8 dB at 1 GHz.
- CMOS/LVTTL Control Logic: Compatible with both CMOS and LVTTL control inputs.
- Low Power Consumption: Quiescent power supply current is less than 1 μA.
- Compact Packaging: Available in 8-lead MSOP and 3 mm × 3 mm LFCSP packages.
Applications
- Wireless Communications: Suitable for various wireless communication systems.
- General-Purpose RF Switching: Ideal for general-purpose high-frequency switching applications.
- Dual-Band Applications: Can be used in dual-band systems due to its wideband capabilities.
- High Speed Filter Selection: Useful in high-speed filter selection applications.
- Digital Transceiver Front End Switch: Can be used as a switch in digital transceiver front ends.
- IF Switching: Suitable for intermediate frequency (IF) switching.
- Tuner Modules: Used in tuner modules for various RF systems.
- Antenna Diversity Switching: Ideal for antenna diversity switching applications.
Q & A
- What is the operating frequency range of the ADG919?
The ADG919 operates from DC to 4 GHz.
- What is the typical insertion loss of the ADG919 at 1 GHz?
The typical insertion loss at 1 GHz is 0.8 dB.
- What is the isolation of the ADG919 at 1 GHz?
The isolation at 1 GHz is up to 43 dB.
- What are the compatible control logic types for the ADG919?
The ADG919 is compatible with both CMOS and LVTTL control inputs.
- What is the power supply voltage range for the ADG919?
The power supply voltage range is from 1.65 V to 2.75 V.
- What is the quiescent power supply current of the ADG919?
The quiescent power supply current is less than 1 μA.
- In what packages is the ADG919 available?
The ADG919 is available in 8-lead MSOP and 3 mm × 3 mm LFCSP packages.
- What are some common applications of the ADG919?
Common applications include wireless communications, general-purpose RF switching, dual-band applications, high-speed filter selection, digital transceiver front end switching, IF switching, tuner modules, and antenna diversity switching.
- What is the temperature range for the ADG919?
The operating temperature range is from -40°C to +85°C.
- Is the ADG919 RoHS compliant?
