Overview
The ADG734BRUZ-REEL, produced by Analog Devices Inc., is a versatile and low-voltage CMOS analog switch IC. This device features four independently selectable single-pole double-throw (SPDT) switches, making it ideal for various applications requiring high performance and low power consumption. The ADG734 is particularly suited for battery-powered and portable instruments due to its operating supply range of 1.8 V to 5.5 V and dual ±2.5 V supply capabilities.
Key Specifications
| Parameter | Value | Unit | Test Conditions |
|---|---|---|---|
| Number of Channels | 4 | - | - |
| Configuration | 4 x SPDT | - | - |
| Supply Voltage - Min | 1.8 | V | - |
| Supply Voltage - Max | 5.5 | V | - |
| Minimum Dual Supply Voltage | ±2.25 | V | - |
| Maximum Dual Supply Voltage | ±2.75 | V | - |
| On Resistance - Max | 4.5 | Ω | VS = VSS to VDD, IDS = 10 mA |
| On Time - Max | 34 | ns | RL = 300 Ω, CL = 35 pF, VS = 3 V |
| Off Time - Max | 12 | ns | RL = 300 Ω, CL = 35 pF, VS = 3 V |
| Minimum Operating Temperature | -40 | °C | - |
| Maximum Operating Temperature | +85 | °C | - |
| Package | 20-Lead TSSOP | - | - |
| Switch Continuous Current | 30 | mA | - |
| Supply Current - Max | 1 | μA | Digital Inputs = 0 V or 5.5 V |
Key Features
- Low Power Consumption: The ADG734 has a low power consumption, making it suitable for battery-powered and portable instruments.
- Wide Operating Supply Range: Operates from 1.8 V to 5.5 V and dual ±2.5 V supply.
- Fast Switching Times: On-time of 21 ns and off-time of 10 ns (typical) ensure rapid switching.
- Break-Before-Make Switching: Prevents momentary shorting when switching channels.
- Low On-Resistance: Maximum on-resistance of 4.5 Ω.
- CMOS Compatibility: TTL/CMOS compatible inputs.
- Compact Package: Available in a 20-lead TSSOP package.
Applications
- Data Acquisition Systems: Ideal for data acquisition systems due to its low on-resistance and fast switching times.
- Communication Systems: Used in communication systems for signal routing and switching.
- Relay Replacement: Can replace mechanical relays in many applications.
- Audio and Video Switching: Suitable for audio and video switching due to its low distortion and fast switching.
- Battery Powered Systems: Perfect for battery-powered systems such as portable instruments and handheld devices.
Q & A
- What is the operating supply voltage range of the ADG734?
The ADG734 operates from 1.8 V to 5.5 V and also supports dual ±2.5 V supply.
- How many SPDT switches does the ADG734 have?
The ADG734 has four independently selectable SPDT switches.
- What is the maximum on-resistance of the ADG734?
The maximum on-resistance of the ADG734 is 4.5 Ω.
- What is the typical on-time and off-time of the ADG734?
The typical on-time is 21 ns and the typical off-time is 10 ns.
- Does the ADG734 support break-before-make switching?
Yes, the ADG734 supports break-before-make switching to prevent momentary shorting when switching channels.
- What is the package type of the ADG734BRUZ-REEL?
The ADG734BRUZ-REEL is available in a 20-lead TSSOP package.
- What is the maximum operating temperature of the ADG734?
The maximum operating temperature of the ADG734 is +85°C.
- Is the ADG734 RoHS compliant?
Yes, the ADG734 is RoHS compliant.
- What are some common applications of the ADG734?
The ADG734 is commonly used in data acquisition systems, communication systems, relay replacement, audio and video switching, and battery-powered systems.
- What is the supply current of the ADG734 when the digital inputs are at 0 V or 5.5 V?
The supply current is typically 1 μA when the digital inputs are at 0 V or 5.5 V.
