Overview
The ADG1233YRUZ is a monolithic iCMOS analog switch produced by Analog Devices Inc. This device comprises three independently selectable single-pole, double-throw (SPDT) switches. The iCMOS (industrial-CMOS) technology combines high voltage complementary metal-oxide semiconductor (CMOS) and bipolar technologies, enabling the development of high-performance analog ICs with capabilities such as 33 V operation, low power consumption, and reduced package size.
Key Specifications
| Parameter | Typical Value | Maximum Value | Test Conditions |
|---|---|---|---|
| Analog Signal Range | VSS to VDD | - | Dual Supply: VDD = +15 V ± 10%, VSS = −15 V ± 10%, GND = 0 V |
| On Resistance (RON) | 120 Ω | 260 Ω | VS = ±10 V, IS = −1 mA |
| On Resistance Match Between Channels (∆RON) | 3.5 Ω | 12 Ω | VS = ±10 V, IS = −1 mA |
| On Resistance Flatness (RFLAT (ON)) | 20 Ω | 79 Ω | VS = −5 V, 0 V, +5 V; IS = −1 mA |
| Leakage Currents (CS, CD Off) | 1.5 pF, 1.6 pF | 1.7 pF, 1.8 pF | f = 1 MHz; VS = 0 V |
| Power Requirements (IDD, ISS) | 0.002 µA, 0.002 µA | 1.0 µA, 1.0 µA | Digital inputs = 0 V or VDD |
| -3db Bandwidth | 900 MHz | - | - |
| Charge Injection | 0.5 pC | - | - |
Key Features
- Break-Before-Make Switching Action: Prevents momentary shorting when switching channels.
- Enable Input (EN): Allows the device to be enabled or disabled, switching all channels off when disabled.
- iCMOS Technology: Combines high voltage CMOS and bipolar technologies for high performance, low power consumption, and reduced package size.
- Low Capacitance and Charge Injection: Ideal for data acquisition, sample-and-hold applications, and video signal switching.
- High Signal Bandwidth and Fast Switching Speed: Suitable for applications requiring fast settling and low glitch.
- Ultralow Power Dissipation: Makes the device suitable for portable and battery-powered instruments.
Applications
- Data Acquisition and Sample-and-Hold Applications: Due to low capacitance and charge injection, these switches are ideal for applications requiring low glitch and fast settling.
- Video Signal Switching: Fast switching speed and high signal bandwidth make the devices suitable for video signal switching.
- Portable and Battery-Powered Instruments: Ultralow power dissipation makes the devices ideal for these applications.
Q & A
- What is the ADG1233YRUZ?
The ADG1233YRUZ is a monolithic iCMOS analog switch with three independently selectable single-pole, double-throw (SPDT) switches produced by Analog Devices Inc..
- What is the analog signal range of the ADG1233YRUZ?
The analog signal range is from VSS to VDD, with dual supply options of VDD = +15 V ± 10% and VSS = −15 V ± 10%.
- What is the typical on-resistance (RON) of the ADG1233YRUZ?
The typical on-resistance is 120 Ω at VS = ±10 V and IS = −1 mA.
- What is the -3db bandwidth of the ADG1233YRUZ?
The -3db bandwidth is 900 MHz.
- What is the charge injection of the ADG1233YRUZ?
The charge injection is 0.5 pC.
- What is the purpose of the EN input on the ADG1233YRUZ?
The EN input allows the device to be enabled or disabled, switching all channels off when disabled.
- What are the key benefits of iCMOS technology in the ADG1233YRUZ?
iCMOS technology provides high performance, low power consumption, and reduced package size, and it enables the device to tolerate high supply voltages.
- What applications are the ADG1233YRUZ switches suitable for?
The switches are suitable for data acquisition, sample-and-hold applications, video signal switching, and portable and battery-powered instruments.
- What is the power dissipation characteristic of the ADG1233YRUZ?
The device features ultralow power dissipation, making it ideal for portable and battery-powered instruments.
- How does the break-before-make switching action benefit the ADG1233YRUZ?
The break-before-make switching action prevents momentary shorting when switching channels, ensuring reliable operation.
