Overview
The ADG5212BRUZ is a high-performance, quad single-pole single-throw (SPST) analog switch produced by Analog Devices Inc. This component is designed to provide low capacitance and minimal charge injection, making it ideal for various applications requiring precise signal handling.
The ADG5212BRUZ operates with both single and dual power supplies, supporting up to 40 V single rail or ±22 V dual supplies. It features 3 V logic-compatible digital inputs and does not require a separate logic power supply (VL pin). The switch is known for its fast switching speed, high signal bandwidth, and low glitch characteristics, which are crucial for applications such as data acquisition, sample-and-hold circuits, and video signal switching.
Key Specifications
| Parameter | Typical Value | Maximum Value |
|---|---|---|
| Supply Voltage (Single Rail) | Up to 40 V | |
| Supply Voltage (Dual Rail) | Up to ±22 V | |
| Digital Input High Voltage (VINH) | 2.0 V min | |
| Digital Input Low Voltage (VINL) | 0.8 V max | |
| Digital Input Current (IINL or IINH) | 0.002 µA typ | ±0.1 µA max |
| Digital Input Capacitance (CIN) | 3 pF typ | |
| Turn-On Time (tON) | 175 ns typ (RL = 300 Ω, CL = 35 pF) | 215 ns max (RL = 300 Ω, CL = 35 pF) |
| Turn-Off Time (tOFF) | 140 ns typ (RL = 300 Ω, CL = 35 pF) | 195 ns max (RL = 300 Ω, CL = 35 pF) |
| Charge Injection (QINJ) | 0.07 pC typ | |
| Off Isolation | -80 dB typ |
Key Features
- Trench Isolation: Guards against latch-up by separating P and N channel transistors with a dielectric trench, preventing latch-up even under severe overvoltage conditions.
- Ultralow Capacitance and Charge Injection: Features ultralow capacitance and less than 1 pC charge injection, making it suitable for applications requiring minimal signal distortion.
- Dual-Supply and Single-Supply Operation: Can operate from dual supplies up to ±22 V or a single rail power supply up to 40 V.
- 3 V Logic-Compatible Digital Inputs: No separate logic power supply (VL pin) is required, and the digital inputs are compatible with 3 V logic over the full operating supply range.
- Fast Switching Speed and High Signal Bandwidth: Ideal for applications such as video signal switching and data acquisition where fast switching and high signal integrity are necessary.
Applications
- Data Acquisition and Sample-and-Hold Circuits: The low capacitance and minimal charge injection make the ADG5212BRUZ suitable for precise signal handling in data acquisition systems.
- Video Signal Switching: Fast switching speed and high signal bandwidth make it ideal for video signal switching applications.
- Industrial and Medical Equipment: The component's ability to operate over a wide range of voltages and its latch-up protection make it suitable for various industrial and medical applications.
Q & A
- What is the maximum single rail supply voltage for the ADG5212BRUZ?
The maximum single rail supply voltage for the ADG5212BRUZ is up to 40 V.
- What is the maximum dual rail supply voltage for the ADG5212BRUZ?
The maximum dual rail supply voltage for the ADG5212BRUZ is up to ±22 V.
- Are the digital inputs of the ADG5212BRUZ compatible with 3 V logic?
- What is the typical turn-on time for the ADG5212BRUZ?
The typical turn-on time for the ADG5212BRUZ is 175 ns (RL = 300 Ω, CL = 35 pF).
- What is the charge injection of the ADG5212BRUZ?
The charge injection of the ADG5212BRUZ is typically 0.07 pC.
- Does the ADG5212BRUZ require a separate logic power supply (VL pin)?
No, the ADG5212BRUZ does not require a separate logic power supply (VL pin).
- What are the key applications of the ADG5212BRUZ?
The ADG5212BRUZ is suitable for data acquisition, sample-and-hold circuits, video signal switching, and various industrial and medical applications.
- How does the trench isolation feature benefit the ADG5212BRUZ?
The trench isolation feature guards against latch-up by separating P and N channel transistors, preventing latch-up even under severe overvoltage conditions.
- What is the off isolation of the ADG5212BRUZ?
The off isolation of the ADG5212BRUZ is typically -80 dB.
- What is the typical digital input capacitance of the ADG5212BRUZ?
The typical digital input capacitance of the ADG5212BRUZ is 3 pF.
