Overview
The ADG708BRU-REEL, produced by Analog Devices Inc., is a low voltage, CMOS analog multiplexer designed for efficient analog signal routing. This device comprises eight single channels, allowing it to switch one of eight inputs (S1 to S8) to a common output, D, based on the 3-bit binary address lines A0, A1, and A2. An enable input (EN) is provided to control the device's operation, disabling all channels when set to the off state. The ADG708 is ideal for battery-powered, portable instruments due to its low power consumption and operating supply range of 1.8 V to 5.5 V or dual supply voltage of ±2.5 V.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| On-State Resistance (Max) | 4.5 | Ω |
| Channel-to-Channel Matching (ΔRon) | 400 | mΩ |
| Supply Voltage (Single) | 1.8 to 5.5 | V |
| Supply Voltage (Dual) | ±2.5 | V |
| Switch Time (Ton/T off) | 14 (max), 8 (typical) | ns |
| -3 dB Bandwidth | 55 | MHz |
| Charge Injection | 3 | pC |
| Channel Capacitance (CS(off), CD(off)) | 13, 85 | pF |
| Current Leakage (IS(off)) | 10 | pA (typical) |
| Crosstalk | -80 | dB @ 1 MHz |
| Operating Temperature | -40 to 125 | °C |
Key Features
- Supports 8:1 multiplexer/demultiplexer circuit, allowing for flexible signal routing.
- Low on-state resistance of 4.5 Ω maximum, ensuring minimal signal loss and distortion.
- Excellent channel-to-channel matching at 400 mΩ, which is crucial for maintaining signal integrity.
- Operates with a wide supply voltage range (1.8 V to 5.5 V single supply or ±2.5 V dual supply), making it versatile for various applications.
- Fast switching times with a maximum of 14 ns and typical of 8 ns, enhancing performance in critical applications.
- High bandwidth of 55 MHz and minimal charge injection of 3 pC, ensuring high fidelity signal handling.
- Low channel capacitance and very low current leakage, contributing to high crosstalk immunity and minimal signal distortion.
- Stable operation over a wide temperature range of -40°C to 125°C, suitable for harsh environmental conditions.
Applications
- Precision data acquisition systems, where high signal integrity and low noise are essential.
- Signal routing in communication systems, benefiting from the device's fast switching times and high bandwidth.
- Audio and video switching applications, requiring minimal signal distortion and high fidelity.
- Industrial automation and control systems, where reliable operation over a wide temperature range is critical.
Q & A
- What is the primary function of the ADG708BRU-REEL?
The ADG708BRU-REEL is a low voltage, CMOS analog multiplexer that switches one of eight inputs to a common output based on 3-bit binary address lines.
- What is the operating supply voltage range for the ADG708BRU-REEL?
The device operates with a single supply voltage ranging from 1.8 V to 5.5 V or a dual supply voltage of ±2.5 V.
- What is the maximum on-state resistance of the ADG708BRU-REEL?
The maximum on-state resistance is 4.5 Ω.
- What is the typical switching time for the ADG708BRU-REEL?
The typical switching time is 8 ns, with a maximum of 14 ns.
- What is the bandwidth of the ADG708BRU-REEL?
The device has a -3 dB bandwidth of 55 MHz.
- What is the charge injection of the ADG708BRU-REEL?
The charge injection is 3 pC.
- What is the operating temperature range for the ADG708BRU-REEL?
The device operates over a temperature range of -40°C to 125°C.
- What are some common applications for the ADG708BRU-REEL?
Common applications include precision data acquisition, signal routing in communication systems, audio and video switching, and industrial automation and control systems.
- What package type is the ADG708BRU-REEL available in?
The device is available in a 16-lead TSSOP package.
- Does the ADG708BRU-REEL have any special features for power supply sequencing?
Yes, it is important to ensure correct power supply sequencing to avoid stressing the device beyond its maximum ratings. Digital and analog inputs should be applied after power supplies and ground).
