Overview
The ADG333A, specifically the ADG333ABRSZ-REEL, is a quad single-pole double-throw (SPDT) analog switch manufactured by Analog Devices Inc. This device is fabricated on an enhanced linear compatible CMOS (LC2MOS) process, which ensures low power dissipation, high switching speed, and low on-resistance. The ADG333A is designed to handle a wide analog signal range that extends to the power supplies, making it suitable for various applications including portable, battery-powered instruments.
Key Specifications
| Parameter | Typical Value | Maximum Value | Unit | Test Conditions/Comments |
|---|---|---|---|---|
| Analog Signal Range | VSS to VDD | VSS to VDD | V | |
| On Resistance (RON) | 20 Ω | 45 Ω | Ω | VD = ±10 V, IS = –1 mA |
| ΔRON | 5 Ω | Ω | VD = ±5 V, IS = –10 mA | |
| RON Match | 4 Ω | Ω | VD = ±10 V, IS = –10 mA | |
| Leakage Currents (IS OFF) | ±0.1 nA | ±3 nA | nA | VD = ±15.5 V, VS = +15.5 V |
| Switching Times (tON, tOFF) | tON < 175 ns, tOFF < 145 ns | ns | ||
| Supply Voltage | ±15 V | V | ||
| Maximum Supply Ratings | 44 V | V | ||
| Operating Temperature Range | −40°C to +85°C | °C |
Key Features
- Low On Resistance (RON): Maximum of 45 Ω, ensuring minimal signal attenuation.
- Low ΔRON and RON Match: Ensures good linearity and low distortion, especially in audio and video signal switching.
- High Switching Speed: Fast switching times with tON < 175 ns and tOFF < 145 ns.
- Low Power Dissipation: Ultralow power consumption, making it ideal for battery-powered devices.
- Wide Analog Signal Range: Signal range extends to the power supplies (VSS to VDD).
- Break-Before-Make Switching Action: Suitable for multiplexer applications.
- Low Charge Injection: Inherent in the design, reducing signal distortion.
- TTL/CMOS Compatible Inputs: Easy integration with digital logic circuits.
- ESD Protection: Enhanced protection against electrostatic discharge.
- Extended Industrial Temperature Range: Operates from −40°C to +85°C.
Applications
- Portable, Battery-Powered Instruments: Ideal due to low power dissipation and high switching speed.
- Audio and Video Signal Switching: Flat on-resistance profile and high switching speed ensure good linearity and low distortion.
- Multiplexer Applications: Break-before-make switching action and low charge injection make it suitable for these applications.
- Industrial Automation: Extended industrial temperature range and robust design make it suitable for harsh environments.
Q & A
- What is the ADG333A?
The ADG333A is a quad single-pole double-throw (SPDT) analog switch fabricated on an enhanced linear compatible CMOS (LC2MOS) process.
- What are the key features of the ADG333A?
Key features include low on-resistance, high switching speed, low power dissipation, wide analog signal range, and break-before-make switching action.
- What is the maximum on-resistance of the ADG333A?
The maximum on-resistance (RON) is 45 Ω.
- What is the switching time of the ADG333A?
The switching times are tON < 175 ns and tOFF < 145 ns.
- What is the operating temperature range of the ADG333A?
The operating temperature range is −40°C to +85°C.
- Is the ADG333A suitable for audio and video signal switching?
- Does the ADG333A have ESD protection?
- What are the typical applications of the ADG333A?
- What are the available package options for the ADG333A?
- Is the ADG333A compatible with TTL/CMOS inputs?
