Overview
The ADG721BRM from Analog Devices Inc. is a dual single-pole/single-throw (SPST) analog switch IC designed for precision control of signals. This device is built on an advanced submicron CMOS process, ensuring low power dissipation, high switching speed, low on-resistance, and low leakage currents. The ADG721BRM is packaged in an 8-MSOP (Micro Small Outline Package) and operates from a single supply voltage ranging from 1.8 V to 5.5 V, making it suitable for battery-powered instruments and modern DACs and ADCs. Its robust design and high input/output isolation ensure reliable performance in industrial and commercial applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | |
| Configuration | 2 x SPST | |
| On Resistance - Max | 4 Ω (at 5 V), 10 Ω (at 3 V) | Ω |
| Supply Voltage Range | 1.8 V to 5.5 V | V |
| Operating Temperature Range | –40°C to +85°C | °C |
| Bandwidth - 3 dB | 200 MHz | MHz |
| Switching Time (tON/tOFF) | Fast switching times | |
| Package Type | 8-MSOP | |
| Off Isolation | –60 dB (at 10 MHz), –80 dB (at 1 MHz) | dB |
| Channel-to-Channel Crosstalk | –77 dB (at 10 MHz), –97 dB (at 1 MHz) | dB |
Key Features
- Low On-Resistance: Maximum on-resistance of 4 Ω at 5 V and 10 Ω at 3 V, ensuring minimal signal distortion.
- High Switching Speed: Fast tON/tOFF times for rapid switching applications.
- Low Power Dissipation: CMOS construction ensures low power consumption, ideal for battery-powered devices.
- Wide Supply Voltage Range: Operates from a single supply voltage of 1.8 V to 5.5 V.
- High Bandwidth: –3 dB bandwidth greater than 200 MHz.
- High Isolation and Crosstalk Performance: Excellent off-isolation and channel-to-channel crosstalk characteristics.
- Compact Packaging: Available in 8-MSOP packages, suitable for space-constrained applications.
Applications
The ADG721BRM is versatile and can be used in a variety of applications, including:
- Battery-Powered Instruments: Ideal for devices that require low power consumption and high performance.
- Data Acquisition Systems: Suitable for use with DACs and ADCs due to its low on-resistance and high bandwidth.
- Industrial and Commercial Settings: Robust design ensures reliable performance in demanding environments.
- Audio and Video Switching: High signal integrity and minimal distortion make it suitable for audio and video applications.
Q & A
- What is the configuration of the ADG721BRM?
The ADG721BRM is configured as two independent single-pole/single-throw (SPST) switches.
- What is the operating supply voltage range of the ADG721BRM?
The ADG721BRM operates from a single supply voltage ranging from 1.8 V to 5.5 V.
- What is the maximum on-resistance of the ADG721BRM?
The maximum on-resistance is 4 Ω at 5 V and 10 Ω at 3 V.
- What is the bandwidth of the ADG721BRM?
The –3 dB bandwidth is greater than 200 MHz.
- What is the package type of the ADG721BRM?
The ADG721BRM is packaged in an 8-MSOP (Micro Small Outline Package).
- What are the key features of the ADG721BRM?
Key features include low on-resistance, high switching speed, low power dissipation, and high bandwidth.
- What are some typical applications of the ADG721BRM?
Typical applications include battery-powered instruments, data acquisition systems, industrial and commercial settings, and audio/video switching.
- What is the operating temperature range of the ADG721BRM?
The operating temperature range is –40°C to +85°C.
- Does the ADG721BRM exhibit break-before-make switching action?
No, the ADG721 does not exhibit break-before-make switching action; this feature is specific to the ADG723 model.
- How does the ADG721BRM ensure signal integrity?
The ADG721BRM ensures signal integrity through its low on-resistance, high bandwidth, and excellent off-isolation and crosstalk characteristics.
