Overview
The ADG621BRMZ-REEL, produced by Analog Devices Inc., is a monolithic, CMOS, single-pole, single-throw (SPST) analog switch. This device is designed to conduct equally well in both directions when on and contains two independent switches. It is available in a compact 10-lead MSOP package, making it suitable for a variety of applications where space is limited.
Key Specifications
| Parameter | Typical Value | Maximum Value | Unit | Test Conditions/Comments |
|---|---|---|---|---|
| Analog Signal Range (Dual Supply) | VSS to VDD | VSS to VDD | V | VDD = +4.5 V, VSS = -4.5 V |
| Analog Signal Range (Single Supply) | 0 to VDD | 0 to VDD | V | VDD = 4.5 V, VSS = 0 V |
| On Resistance, RON (Dual Supply) | 4 Ω | 5.5 Ω | Ω | VS = ±4.5 V, IS = -10 mA |
| On Resistance, RON (Single Supply) | 7 Ω | 10 Ω | Ω | VS = 0 V to 4.5 V, IS = -10 mA |
| On Resistance Match Between Channels, ∆RON | 0.25 Ω | 0.35 Ω | Ω | VS = ±4.5 V, IS = -10 mA |
| Operating Temperature Range | -40°C to +85°C | -40°C to +85°C | °C | Industrial range |
| Storage Temperature Range | -65°C to +150°C | -65°C to +150°C | °C | |
| Junction Temperature | 150°C | 150°C | °C | |
| Thermal Impedance (θJA) | 206°C/W | 206°C/W | °C/W | MSOP package |
Key Features
- Low On Resistance: The ADG621 features a low on resistance of 4 Ω typical for dual supply and 7 Ω typical for single supply, ensuring minimal signal attenuation.
- CMOS Construction: The device is built using CMOS technology, which ensures low power dissipation.
- Dual Supply Capability: The ADG621 can operate with dual supplies (±2.7 V to ±5.5 V) or a single supply (+2.7 V to +5.5 V).
- TTL/CMOS Compatibility: All digital inputs have 0.8 V to 2.4 V logic thresholds, ensuring compatibility with TTL and CMOS logic.
- Compact Package: The device is available in a tiny 10-lead MSOP package, making it ideal for space-constrained applications.
- High Switching Speeds: The ADG621 offers high switching speeds, making it suitable for applications requiring fast switching times.
Applications
- Audio and Video Switching: The low on resistance and high switching speeds make the ADG621 suitable for audio and video signal switching applications.
- Medical Devices: The device's low power dissipation and compact package make it ideal for use in medical devices where space and power efficiency are critical.
- Industrial Automation: The ADG621 can be used in industrial automation systems where reliable and fast analog signal switching is required.
- Test and Measurement Equipment: The device's precision and reliability make it a good fit for test and measurement equipment.
Q & A
- What is the typical on resistance of the ADG621?
The typical on resistance of the ADG621 is 4 Ω for dual supply and 7 Ω for single supply.
- What are the operating voltage ranges for the ADG621?
The ADG621 can operate with dual supplies (±2.7 V to ±5.5 V) or a single supply (+2.7 V to +5.5 V).
- What is the package type of the ADG621?
The ADG621 is available in a 10-lead MSOP package.
- Is the ADG621 compatible with TTL and CMOS logic?
Yes, the ADG621 is compatible with TTL and CMOS logic due to its digital input logic thresholds of 0.8 V to 2.4 V.
- What is the maximum junction temperature for the ADG621?
The maximum junction temperature for the ADG621 is 150°C.
- What is the thermal impedance (θJA) of the ADG621 in its MSOP package?
The thermal impedance (θJA) of the ADG621 in its MSOP package is 206°C/W.
- Can the ADG621 be used in industrial automation systems?
Yes, the ADG621 can be used in industrial automation systems due to its reliable and fast analog signal switching capabilities.
- What is the storage temperature range for the ADG621?
The storage temperature range for the ADG621 is -65°C to +150°C.
- Is the ADG621 RoHS compliant?
Yes, the ADG621 is RoHS compliant.
- What is the optimal power-up sequence for the ADG621?
The optimal power-up sequence for the ADG621 is ground, VDD, VSS, and then the digital inputs, before applying the analog input signal.
