Overview
The ADG333A, produced by Analog Devices Inc., is a monolithic complementary metal-oxide semiconductor (CMOS) device that comprises four independently selectable single-pole, double-throw (SPDT) switches. It is designed on a linear compatible CMOS (LC2MOS) process, which ensures low power dissipation while achieving high switching speed and low on resistance. This device is particularly suited for applications requiring high linearity and low distortion, such as switching audio and video signals. The ADG333A is also ideal for portable, battery-powered instruments due to its ultralow power dissipation.
Key Specifications
| Parameter | Typical Value | Maximum Value | Unit | Test Conditions |
|---|---|---|---|---|
| Analog Signal Range | VSS to VDD | VSS to VDD | V | Dual Supply: VDD = +15 V, VSS = -15 V |
| On Resistance (RON) | 20 Ω | 45 Ω | Ω | VD = ±10 V, IS = -1 mA |
| ΔRON | 5 Ω | 5 Ω | Ω | VD = ±5 V, IS = -10 mA |
| RON Match | 4 Ω | 4 Ω | Ω | VD = ±10 V, IS = -10 mA |
| Switching Times (tON/tOFF) | tON < 175 ns / tOFF < 145 ns | tON < 175 ns / tOFF < 145 ns | ns | |
| Leakage Currents (IS OFF) | ±0.1 nA | ±3 nA | nA | VD = ±15.5 V, VS = +15.5 V |
| Operating Temperature | -40°C to +85°C | °C | ||
| Power Supply Voltage | +3 V to +20 V (Single or Dual Supply) | V |
Key Features
- Low On Resistance and Flat On-Resistance Profile: Ensures good linearity and low distortion when switching signals.
- High Switching Speed: Suitable for video and audio signal switching.
- Low Power Dissipation: Ultralow power consumption, making it ideal for portable, battery-powered instruments.
- Extended Signal Range: Signal range extends to the power supplies.
- Break-Before-Make Switching Action: Suitable for multiplexer applications.
- Low Charge Injection: Inherent in the design.
Applications
The ADG333A is versatile and can be used in various applications, including:
- Audio and Video Signal Switching: Due to its high linearity and low distortion.
- Portable, Battery-Powered Instruments: Because of its ultralow power dissipation.
- Multiplexer Applications: Thanks to its break-before-make switching action.
- Single-Supply Operation: Can operate from a single rail power supply, making it suitable for unipolar analog signal applications.
Q & A
- What is the ADG333A?
The ADG333A is a monolithic CMOS device comprising four independently selectable SPDT switches.
- What process is the ADG333A fabricated on?
The ADG333A is fabricated on a linear compatible CMOS (LC2MOS) process.
- What are the key features of the ADG333A?
Low on resistance, high switching speed, low power dissipation, extended signal range, and low charge injection.
- What are the typical applications of the ADG333A?
Audio and video signal switching, portable battery-powered instruments, and multiplexer applications.
- What is the operating temperature range of the ADG333A?
The operating temperature range is -40°C to +85°C.
- Can the ADG333A operate on a single supply?
- What is the maximum on resistance of the ADG333A?
The maximum on resistance is 45 Ω.
- What is the switching time of the ADG333A?
The switching times are tON < 175 ns and tOFF < 145 ns.
- Does the ADG333A exhibit break-before-make switching action?
- What is the leakage current of the ADG333A when off?
The leakage current when off is ±3 nA maximum.
