Overview
The ADG426BRS-REEL7 is a high-performance analog multiplexer produced by Analog Devices Inc. This component is part of the ADG406/ADG407/ADG426 family, which are monolithic CMOS analog multiplexers. The ADG426 specifically switches one of sixteen inputs to a common output, controlled by 4-bit binary address lines (A0, A1, A2, and A3). It also features on-chip address and control latches, facilitating microprocessor interfacing. The device is designed on an enhanced LC2MOS process, offering low power dissipation, high switching speed, and low on-resistance, making it suitable for various high-speed applications.
Key Specifications
| Parameter | Value | Unit | Test Conditions |
|---|---|---|---|
| Analog Signal Range | VSS to VDD | V | |
| On Resistance (RON) | 80 Ω max | Ω | VDD = V, VSS = V, VD = 0 V, IS = −1 mA |
| Source Off Leakage (IS Off) | ±20 nA max | nA | VD = ±10 V, VS = +10 V |
| Drain Off Leakage (ID Off) | ±20 nA max | nA | VD = ±10 V, VS = +10 V |
| Channel On Leakage (ID, IS On) | ±20 nA max | nA | VS = VD = ±10 V |
| Input High Voltage (VINH) | 2.4 V min | V | |
| Input Low Voltage (VINL) | 0.8 V max | V | |
| Input Current (IINL or IINH) | ±1 μA max | μA | VIN = 0 or VDD |
| Digital Input Capacitance (CIN) | 8 pF typ | pF | f = 1 MHz |
| Transition Time (tTRANSITION) | 180 ns typ, 250 ns max | ns | RL = 300 Ω, CL = 35 pF, V1 = 8 V/0 V, V2 = 0 V/8 V |
| Break Before Make Delay (tOPEN) | 10 ns typ | ns | RL = 300 Ω, CL = 35 pF, VS = +5 V |
| Enable Time (tON EN, WR) | 180 ns typ, 225 ns max | ns | RL = 300 Ω, CL = 35 pF |
| Disable Time (tOFF EN, RS) | 150 ns typ, 180 ns max | ns | RL = 300 Ω, CL = 35 pF |
| Operating Temperature Range | −40°C to +85°C | °C | |
| Storage Temperature Range | −65°C to +150°C | °C |
Key Features
- Extended Signal Range: The signal range extends to the supply rails, making it versatile for various applications.
- Low Power Dissipation: Designed for low power consumption, suitable for battery-powered systems.
- Low On Resistance (RON): Maximum RON of 80 Ω ensures minimal signal attenuation.
- Single/Dual Supply Operation: Can operate with either single or dual supply configurations.
- Break-Before-Make Switching Action: Prevents momentary shorting when switching channels.
- Low Charge Injection: Minimizes transients when switching digital inputs.
- On-Chip Address and Control Latches: Facilitates microprocessor interfacing.
Applications
- Audio and Video Routing: Ideal for high-speed audio and video signal switching.
- Automatic Test Equipment: Used in test and measurement systems due to its high performance and reliability.
- Data Acquisition Systems: Suitable for high-speed data acquisition applications.
- Battery Powered Systems: Low power dissipation makes it suitable for battery-powered devices.
- Sample Hold Systems: Used in sample and hold circuits for precise signal handling.
- Communication Systems: Employed in various communication systems for signal routing.
- Avionics: Used in avionics due to its robust performance and reliability.
Q & A
- What is the ADG426BRS-REEL7 used for?
The ADG426BRS-REEL7 is a high-performance analog multiplexer used for switching one of sixteen inputs to a common output, suitable for various high-speed applications such as audio and video routing, data acquisition, and communication systems.
- What is the maximum on-resistance (RON) of the ADG426BRS-REEL7?
The maximum on-resistance (RON) of the ADG426BRS-REEL7 is 80 Ω.
- Can the ADG426BRS-REEL7 operate on a single supply?
Yes, the ADG426BRS-REEL7 can operate on a single supply as low as +5 V, in addition to dual supply configurations.
- What is the operating temperature range of the ADG426BRS-REEL7?
The operating temperature range of the ADG426BRS-REEL7 is −40°C to +85°C.
- Does the ADG426BRS-REEL7 have on-chip address and control latches?
Yes, the ADG426BRS-REEL7 has on-chip address and control latches that facilitate microprocessor interfacing.
- What is the break-before-make delay of the ADG426BRS-REEL7?
The break-before-make delay (tOPEN) of the ADG426BRS-REEL7 is typically 10 ns.
- How does the ADG426BRS-REEL7 prevent momentary shorting when switching channels?
The ADG426BRS-REEL7 prevents momentary shorting through its break-before-make switching action.
- What is the maximum input current (IINL or IINH) for the digital inputs of the ADG426BRS-REEL7?
The maximum input current (IINL or IINH) for the digital inputs is ±1 μA.
- What is the typical digital input capacitance (CIN) of the ADG426BRS-REEL7?
The typical digital input capacitance (CIN) is 8 pF at f = 1 MHz.
- What are some common applications of the ADG426BRS-REEL7?
Common applications include audio and video routing, automatic test equipment, data acquisition systems, battery-powered systems, sample hold systems, communication systems, and avionics.
