Overview
The ADG721BRM-REEL is a CMOS low voltage dual SPST (Single-Pole Single-Throw) switch manufactured by Analog Devices Inc. This component is designed for general-purpose switching applications and is notable for its low on-resistance, high bandwidth, and low power consumption. It operates from a single supply voltage ranging from 1.8 V to 5.5 V, making it suitable for battery-powered instruments and other low-voltage applications.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Voltage (VDD) | 1.8 V to 5.5 V | |
| On Resistance (RON) | Typically 4 Ω at VDD = 5 V, 40 Ω at VDD = 1.8 V | -40°C to +85°C |
| On Resistance Match (∆RON) | Typically 0.5 Ω | -40°C to +85°C |
| Source/Drain Leakage Current (IS, ID) Off | Typically 0.1 nA | -40°C to +85°C |
| Source/Drain Leakage Current (IS, ID) On | Typically 0.1 nA | -40°C to +85°C |
| Switching Time (tON, tOFF) | Typically 20 ns | -40°C to +85°C |
| Off Isolation | Better than -80 dB at dc to 1 MHz, better than -60 dB at 10 MHz | |
| Crosstalk | Typically -60 dB at 10 MHz | |
| Charge Injection | Typically 10 pC | |
| Package | 8-MSOP (Mini Small Outline Package) |
Key Features
- Low on-resistance: Typically 4 Ω at VDD = 5 V and 40 Ω at VDD = 1.8 V, ensuring minimal signal loss.
- High bandwidth: Suitable for high-frequency applications.
- Low power consumption: Ideal for battery-powered devices.
- Low leakage currents: Minimizes current drain when the switch is off.
- Single supply operation: Compatible with a wide range of supply voltages from 1.8 V to 5.5 V.
- Fast switching times: Typically 20 ns for both turn-on and turn-off.
- High off-isolation: Better than -80 dB at dc to 1 MHz and better than -60 dB at 10 MHz.
Applications
- Battery-powered instruments: Ideal due to its low power consumption and wide supply voltage range.
- AUDIO and VIDEO switching: High bandwidth and low on-resistance make it suitable for audio and video signal switching.
- Medical devices: Low leakage currents and high off-isolation are beneficial in medical equipment.
- Industrial control systems: Fast switching times and robust performance in various environmental conditions.
- Communication systems: High bandwidth and low crosstalk make it suitable for communication equipment.
Q & A
- What is the supply voltage range of the ADG721BRM-REEL?
The ADG721BRM-REEL operates from a single supply voltage ranging from 1.8 V to 5.5 V.
- What is the typical on-resistance of the ADG721BRM-REEL?
The typical on-resistance is 4 Ω at VDD = 5 V and 40 Ω at VDD = 1.8 V.
- What is the switching time of the ADG721BRM-REEL?
The switching time (tON, tOFF) is typically 20 ns.
- What is the off-isolation of the ADG721BRM-REEL?
The off-isolation is better than -80 dB at dc to 1 MHz and better than -60 dB at 10 MHz.
- What package type is the ADG721BRM-REEL available in?
The ADG721BRM-REEL is available in an 8-MSOP (Mini Small Outline Package).
- Is the ADG721BRM-REEL RoHS compliant?
No, the ADG721BRM-REEL is not RoHS compliant.
- What are the typical applications of the ADG721BRM-REEL?
It is used in battery-powered instruments, audio and video switching, medical devices, industrial control systems, and communication systems.
- What is the leakage current of the ADG721BRM-REEL when the switch is off?
The source/drain leakage current (IS, ID) when the switch is off is typically 0.1 nA.
- How does the supply voltage affect the performance of the ADG721BRM-REEL?
The supply voltage affects the input signal range, on-resistance, and switching times of the part. Lower supply voltages increase the on-resistance and switching times.
- What is the charge injection of the ADG721BRM-REEL?
The charge injection is typically 10 pC.
