Overview
The ADG509AKR from Analog Devices Inc. is a CMOS monolithic analog multiplexer, specifically the ADG509A model. This device is designed to switch one of four differential inputs to a common differential output, controlled by two binary addresses and an enable input. It is built on an enhanced LC2MOS process, which enhances signal capability and allows operation over a wide range of supply voltages. The ADG509A is known for its high switching speeds, low on-state resistance (RON), and low power dissipation, making it suitable for various high-precision applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range (Single/Dual) | 10.8 V to 16.5 V / ±10.8 V to ±16.5 V | V |
| On-State Resistance (Max) | 450 Ω | Ω |
| Switch Time (Ton, Toff) (Max) | 300 ns | ns |
| Leakage Current (IS(off)) (Max) | 1 nA | nA |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package/Case | 16-SOIC (0.154", 3.90mm Width) | - |
| Multiplexer/Demultiplexer Circuit | 4:1 | - |
| Channel Capacitance (CS(off), CD(off)) | 5 pF, 11 pF | pF |
| Channel-to-Channel Matching (ΔRon) | 22.5 Ω | Ω |
Key Features
- Single-/Dual-Supply Specifications: Operates in the 10.8 V to 16.5 V range for both single and dual supplies.
- Extended Signal Range: Enhanced LC2MOS process allows for an analog signal range of VSS to VDD.
- Break-Before-Make Switching: Ensures input signals are protected against momentary shorting.
- Low Leakage: Leakage currents as low as 20 pA, suitable for high precision circuits.
- High Switching Speeds: Fast switching times with low RON.
- TTL and 5 V CMOS Logic-Compatible Digital Inputs: Compatible with a variety of digital control signals.
Applications
- High-Precision Instrumentation: Suitable for applications requiring low leakage and high switching speeds.
- Medical Equipment: Used in medical devices where precise signal switching is critical.
- Aerospace and Defense: Operates over a wide temperature range, making it suitable for harsh environments.
- Industrial Automation: Used in control systems where reliable and fast signal switching is necessary.
Q & A
- What is the supply voltage range for the ADG509AKR?
The ADG509AKR operates in the 10.8 V to 16.5 V range for both single and dual supplies.
- What is the maximum on-state resistance (RON) of the ADG509AKR?
The maximum on-state resistance (RON) is 450 Ω.
- What is the switching time (Ton, Toff) for the ADG509AKR?
The maximum switching time (Ton, Toff) is 300 ns.
- What is the leakage current (IS(off)) of the ADG509AKR?
The maximum leakage current (IS(off)) is 1 nA.
- What is the operating temperature range of the ADG509AKR?
The operating temperature range is -40°C to +85°C.
- What package types are available for the ADG509AKR?
The ADG509AKR is available in a 16-SOIC package.
- Is the ADG509AKR compatible with TTL and 5 V CMOS logic?
Yes, the ADG509AKR has TTL and 5 V CMOS logic-compatible digital inputs.
- What is the channel capacitance (CS(off), CD(off)) of the ADG509AKR?
The channel capacitance (CS(off), CD(off)) is 5 pF and 11 pF, respectively.
- What is the channel-to-channel matching (ΔRon) of the ADG509AKR?
The channel-to-channel matching (ΔRon) is 22.5 Ω.
- Does the ADG509AKR feature break-before-make switching?
Yes, the ADG509AKR features break-before-make switching to protect input signals against momentary shorting.
