Overview
The ADG5421BRMZ is a high-performance, monolithic industrial CMOS analog switch produced by Analog Devices Inc. This device features two independent single-pole single-throw (SPST) switches, making it ideal for various analog signal switching applications. The ADG5421 is known for its ultralow on-resistance and on-resistance flatness, which are critical for low distortion in data acquisition and gain switching applications.
The device operates from dual supplies up to ±22 V, allowing it to handle bipolar analog signals. It also features latch-up immune construction and high ESD ratings, enhancing its robustness in harsh environments.
Key Specifications
| Parameter | Typical Value | Maximum Value |
|---|---|---|
| On Resistance (RON) | 13.5 Ω | - |
| Supply Voltage Range | - | ±22 V (dual supply), 9 V to 40 V (single supply) |
| Turn-On Time (tON) | 185 ns | 280 ns |
| Turn-Off Time (tOFF) | 163 ns | 242 ns |
| Break-Before-Make Time Delay (tD) | 73 ns | - |
| Input High Voltage (VINH) | - | 2.0 V min |
| Input Low Voltage (VINL) | - | 0.8 V max |
| Operating Temperature Range | - | -40°C to +125°C |
| Package Type | - | 10-TFSOP, 10-MSOP |
Key Features
- Low On Resistance: The ADG5421BRMZ features an ultralow on-resistance of 13.5 Ω, ensuring minimal signal distortion.
- Dual-Supply Operation: The device can operate from dual supplies up to ±22 V, making it suitable for bipolar analog signal applications.
- Latch-Up Immune Construction: Trench isolation guards against latch-up, even under severe overvoltage conditions.
- High ESD Rating: The device has a high ESD rating, enhancing its robustness in harsh environments.
- Break-Before-Make Action: The ADG5423 version exhibits break-before-make action, ideal for multiplexer applications.
Applications
- Data Acquisition: The low on-resistance and flatness make it ideal for data acquisition systems where signal integrity is crucial.
- Gain Switching: Suitable for applications requiring precise gain switching with minimal distortion.
- Multiplexer Applications: The break-before-make action in the ADG5423 version makes it suitable for multiplexer applications.
- Instrumentation and Audio Equipment: The device's low on-resistance and channel-to-channel matching make it suitable for instrumentation and audio equipment.
Q & A
- What is the typical on-resistance of the ADG5421BRMZ?
The typical on-resistance of the ADG5421BRMZ is 13.5 Ω.
- What is the operating temperature range of the ADG5421BRMZ?
The operating temperature range is -40°C to +125°C.
- Can the ADG5421BRMZ operate from dual supplies?
Yes, the device can operate from dual supplies up to ±22 V.
- What is the turn-on time (tON) of the ADG5421BRMZ?
The typical turn-on time is 185 ns, with a maximum of 280 ns.
- What is the break-before-make time delay (tD) for the ADG5423 version?
The typical break-before-make time delay is 73 ns.
- What are the input high and low voltage levels for the ADG5421BRMZ?
The input high voltage is 2.0 V min, and the input low voltage is 0.8 V max.
- What is the package type of the ADG5421BRMZ?
The device is available in 10-TFSOP and 10-MSOP packages.
- Is the ADG5421BRMZ latch-up immune?
Yes, the device features trench isolation that guards against latch-up even under severe overvoltage conditions.
- What are some typical applications of the ADG5421BRMZ?
Typical applications include data acquisition, gain switching, multiplexer applications, and instrumentation and audio equipment.
- What is the maximum supply current for the ADG5421BRMZ?
The maximum supply current is not explicitly stated, but the device operates within specified supply voltage ranges.
