Overview
The ADG5234BRUZ, produced by Analog Devices Inc., is a monolithic industrial CMOS analog switch. This device comprises four independently selectable single-pole, double throw (SPDT) switches. It is designed to offer high reliability and performance in various analog switching applications. The ADG5234 features an enable input (EN) that allows the device to be enabled or disabled, with all channels switched off when disabled. This switch is particularly suited for applications requiring low glitch, fast settling, and high signal bandwidth.
Key Specifications
| Parameter | Typical Value | Maximum Value | Unit | Test Conditions |
|---|---|---|---|---|
| Input High Voltage (VINH) | 2.0 V | - | V | - |
| Input Low Voltage (VINL) | 0.8 V | - | V | - |
| Input Current (IINL or IINH) | 0.002 μA | ±0.1 μA | μA | VIN = VGND or VDD |
| Digital Input Capacitance (CIN) | 3 pF | - | pF | - |
| Transition Time (tTRANSITION) | 155 ns | 230 ns | ns | RL = 300 Ω, CL = 35 pF |
| Enable Time (tON) | 180 ns | 250 ns | ns | RL = 300 Ω, CL = 35 pF |
| Disable Time (tOFF) | 150 ns | 190 ns | ns | RL = 300 Ω, CL = 35 pF |
| Continuous Current (Sx or Dx) | - | 21 mA (TSSOP), 38 mA (LFCSP) | mA | VDD = +15 V, VSS = -15 V |
| Charge Injection | - | 0.4 pC | pC | - |
Key Features
- Trench Isolation: Guards against latch-up by separating the P and N channel transistors, preventing latch-up even under severe overvoltage conditions.
- Ultralow Capacitance and Charge Injection: Features ultralow capacitance and 0.4 pC charge injection, making it ideal for data acquisition and sample-and-hold applications.
- Dual-Supply and Single-Supply Operation: Can be operated from dual supplies up to ±22 V or a single-rail power supply up to 40 V.
- 3 V Logic-Compatible Digital Inputs: Compatible with 3 V logic inputs, with VINH = 2.0 V and VINL = 0.8 V.
- Fast Switching Speed and High Signal Bandwidth: Suitable for video signal switching due to fast switching speed and high signal bandwidth.
- Break-Before-Make Switching Action: Prevents momentary shorting when switching channels.
Applications
- Data Acquisition and Sample-and-Hold Applications: Ideal due to low glitch and fast settling requirements.
- Video Signal Switching: Suitable for video signal switching applications due to fast switching speed and high signal bandwidth.
- Industrial and Automotive Systems: Used in various industrial and automotive systems requiring reliable and high-performance analog switching.
Q & A
- What is the ADG5234BRUZ?
The ADG5234BRUZ is a monolithic industrial CMOS analog switch produced by Analog Devices Inc., featuring four independently selectable SPDT switches.
- What are the key features of the ADG5234BRUZ?
Key features include trench isolation, ultralow capacitance and charge injection, dual-supply and single-supply operation, 3 V logic-compatible digital inputs, fast switching speed, and high signal bandwidth.
- What are the typical applications of the ADG5234BRUZ?
Typical applications include data acquisition, sample-and-hold, video signal switching, and various industrial and automotive systems.
- What is the maximum continuous current for the ADG5234BRUZ?
The maximum continuous current is 21 mA for TSSOP packages and 38 mA for LFCSP packages under specific voltage conditions.
- How does the ADG5234BRUZ prevent latch-up?
The device prevents latch-up through trench isolation, which separates the P and N channel transistors.
- What is the charge injection of the ADG5234BRUZ?
The charge injection is 0.4 pC, making it suitable for applications requiring low glitch and fast settling.
- Can the ADG5234BRUZ be operated from a single power supply?
Yes, the ADG5234BRUZ can be operated from a single-rail power supply up to 40 V or dual supplies up to ±22 V.
- What is the transition time of the ADG5234BRUZ?
The transition time is typically 155 ns, with a maximum of 230 ns under specified test conditions.
- Is the ADG5234BRUZ compatible with 3 V logic inputs?
Yes, the device is compatible with 3 V logic inputs, with VINH = 2.0 V and VINL = 0.8 V.
- What are the package options for the ADG5234BRUZ?
The device is available in 20-Lead TSSOP and 20-Lead LFCSP packages.
