Overview
The ADG781BCPZ-REEL, produced by Analog Devices Inc., is a low on-resistance, high-bandwidth SPST-NC (Single-Pole Single-Throw Normally Closed) switch. This component is ideal for precision signal routing and is designed to operate from a single supply voltage ranging from 1.8 V to 5.5 V. This makes it highly versatile and suitable for use in various applications, including battery-powered instruments and modern DACs.
Key Specifications
| Parameter | Typical Value | Maximum Value | Unit | Test Conditions |
|---|---|---|---|---|
| Voltage Supply (VDD) | 1.8 V to 5.5 V | - | V | - |
| On-State Resistance (RON) | 5 Ω | 10 Ω | Ω | VS = 0 V to VDD, IS = –10 mA |
| Switching Time (tON) | 11 ns | 20 ns | ns | RL = 300 Ω, CL = 35 pF, VS = 3 V |
| Switching Time (tOFF) | 6 ns | 12 ns | ns | RL = 300 Ω, CL = 35 pF, VS = 3 V |
| Break-Before-Make Time Delay (tD) | 7 ns | 1 ns min | ns | RL = 300 Ω, CL = 35 pF, (ADG783 Only) |
| Charge Injection | 3 pC | - | pC | VS = 2 V; RS = 0 Ω, CL = 1 nF |
| Off Isolation | -58 dB | - | dB | RL = 50 Ω, CL = 5 pF, f = 10 MHz |
| Channel-to-Channel Crosstalk | -90 dB | - | dB | RL = 50 Ω, CL = 5 pF, f = 10 MHz |
| Bandwidth | 200 MHz | - | MHz | RL = 50 Ω, CL = 5 pF |
| Leakage Current (IS(off)) | - | 100 pA | pA | - |
| Operating Temperature | - | -40°C to +85°C | °C | - |
Key Features
- SPST-NC Switch Configuration: Four independent switch circuits in a single package.
- Low On-State Resistance: Maximum of 4 Ω for enhanced signal transmission quality.
- High Bandwidth: -3 dB bandwidth of 200 MHz for superior signal fidelity.
- Ultra-Fast Switching Times: Typical switching times of 11 ns (tON) and 6 ns (tOFF).
- Low Charge Injection: 3 pC typical for minimal signal disturbance.
- Compact Package: Surface mount 20-LFCSP (4x4) package for a compact footprint on PCBs.
- Broad Voltage Supply Range: Operates from 1.8 V to 5.5 V, making it flexible across different power setups.
- Low Leakage Current: Maximum of 100 pA to maintain signal strength.
- Excellent Crosstalk Attenuation: -90 dB at 10 MHz for clear signal paths.
Applications
- High-Frequency Data Acquisition Systems: Ideal for high-speed data acquisition due to its high bandwidth and fast switching times.
- Communications Equipment: Suitable for various communication systems requiring precise signal routing.
- Audio and Video Switching Applications: Used in audio and video switching due to its low on-resistance and high bandwidth.
- Automated Test Equipment: Employed in automated test equipment for precise signal control.
- Precision Instrumentation: Used in precision instrumentation where high signal integrity is crucial.
Q & A
- What is the voltage supply range of the ADG781BCPZ-REEL? The ADG781BCPZ-REEL operates from a single supply voltage ranging from 1.8 V to 5.5 V.
- What is the on-state resistance of the ADG781BCPZ-REEL? The on-state resistance is typically 5 Ω and a maximum of 10 Ω.
- What are the typical switching times of the ADG781BCPZ-REEL? The typical switching times are 11 ns (tON) and 6 ns (tOFF).
- What is the bandwidth of the ADG781BCPZ-REEL? The -3 dB bandwidth is 200 MHz.
- What is the charge injection of the ADG781BCPZ-REEL? The charge injection is typically 3 pC.
- What is the operating temperature range of the ADG781BCPZ-REEL? The operating temperature range is from -40°C to +85°C.
- What is the leakage current of the ADG781BCPZ-REEL? The maximum leakage current is 100 pA.
- What is the crosstalk attenuation of the ADG781BCPZ-REEL? The crosstalk attenuation is -90 dB at 10 MHz.
- In what package is the ADG781BCPZ-REEL available? The ADG781BCPZ-REEL is available in a surface mount 20-LFCSP (4x4) package.
- What are some common applications of the ADG781BCPZ-REEL? Common applications include high-frequency data acquisition systems, communications equipment, audio and video switching, automated test equipment, and precision instrumentation.
