Overview
The ADG333A, produced by Analog Devices Inc., is a monolithic complementary metal-oxide semiconductor (CMOS) device. It features four independently selectable single-pole, double-throw (SPDT) switches. Designed on a linear compatible CMOS (LC²MOS) process, this device offers low power dissipation, high switching speed, and low on-resistance. The ADG333A is suitable for a wide range of applications, including audio and video signal switching, due to its flat on-resistance profile over the full analog input range and high switching speeds.
Key Specifications
| Parameter | Symbol | Test Conditions/Comments | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Analog Signal Range | VSS to VDD | V | ||||
| On Resistance (RON) | RON | VD = ±10 V, IS = –1 mA | 20 | 45 | Ω | |
| On Resistance Match (∆RON) | ∆RON | VD = ±5 V, IS = –10 mA | 5 | Ω | ||
| On Resistance Match (RON Match) | RON Match | VD = ±10 V, IS = –10 mA | 4 | Ω | ||
| Switching Times (tON, tOFF) | tON, tOFF | 175 ns, 145 ns | ns | |||
| Leakage Currents (IS (OFF)) | IS (OFF) | VDD = +16.5 V, VSS = –16.5 V, VD = ±15.5 V, VS = +15.5 V | ±0.1 nA | ±3 nA | nA | |
| Power Supply Range | VDD, VSS | +15 V, -15 V | V | |||
| Operating Temperature Range | TJ | −40°C | +85°C | °C |
Key Features
- Low On Resistance: Maximum on resistance of 45 Ω, ensuring minimal signal attenuation.
- Low ∆RON and RON Match: Ensures good channel-to-channel matching and low distortion.
- Fast Switching Times: Switching times of less than 175 ns (tON) and 145 ns (tOFF) make it suitable for high-speed applications.
- Low Leakage Currents: Ultralow leakage currents of ±3 nA maximum.
- Break-Before-Make Switching: Prevents signal shorting during switching, ideal for multiplexer applications.
- Low Power Dissipation: CMOS construction ensures very low power consumption.
- Wide Analog Signal Range: Signal range extends to the power supplies, making it versatile for various applications.
Applications
- Audio Signal Switching: Suitable for audio applications due to its flat on-resistance profile and low distortion.
- Video Signal Switching: High switching speeds make it ideal for video signal switching.
- Multiplexer Applications: Break-before-make switching action is beneficial in multiplexer configurations.
- Portable and Battery-Powered Instruments: Low power dissipation makes it suitable for portable and battery-powered devices.
Q & A
- What is the ADG333A?
The ADG333A is a monolithic CMOS device featuring four independently selectable single-pole, double-throw (SPDT) switches.
- What is the maximum on resistance of the ADG333A?
The maximum on resistance is 45 Ω.
- What are the switching times for the ADG333A?
The switching times are less than 175 ns (tON) and 145 ns (tOFF).
- What is the operating temperature range of the ADG333A?
The operating temperature range is from −40°C to +85°C.
- What is the power supply range for the ADG333A?
The power supply range is from +15 V to -15 V.
- Is the ADG333A suitable for audio signal switching?
Yes, it is suitable due to its flat on-resistance profile and low distortion.
- What type of switching action does the ADG333A exhibit?
The ADG333A exhibits break-before-make switching action.
- How many switches are included in the ADG333A?
The ADG333A includes four independently selectable SPDT switches.
- What is the typical leakage current of the ADG333A?
The typical leakage current is ±0.1 nA.
- Is the ADG333A suitable for portable and battery-powered instruments?
Yes, due to its low power dissipation.
