Overview
The ADG794BRQZ is a monolithic CMOS device manufactured by Analog Devices Inc., designed to function as four 2:1 multiplexer/demultiplexers with high impedance outputs. This component utilizes the CMOS process, which ensures low power dissipation while providing high switching speed and low on-resistance. The ADG794 is particularly suited for applications requiring the switching of analog audio/video signals due to its high bandwidth and low distortion characteristics.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Bandwidth | 300 MHz | - | Typical at RL = 50 Ω |
| On-Resistance | < 1.2 Ω | - | Typical variation over input signal range |
| Distortion (THD + N) | 0.18% | - | Typical at RL = 100 Ω |
| Supply Voltage | 3.3 V / 5 V | - | Single supply operation |
| Logic Compatibility | TTL | - | - |
| Operating Temperature Range | −40°C to +85°C | - | Industrial (B Version) |
| Package Type | 16-Lead QSOP | - | - |
| Charge Injection | 7.5 pC | - | Typical at CL = 1 nF, VS = 0 V |
Key Features
- High bandwidth of 300 MHz, making it suitable for analog audio/video signal switching.
- Low distortion (typically 0.18%) and low on-resistance variation (< 1.2 Ω).
- Single 3.3 V or 5 V supply operation with TTL logic compatibility.
- High impedance outputs and break-before-make switching action.
- Low power dissipation due to CMOS process.
- Available in a 16-pin QSOP package.
Applications
- RGB switches for HDTV and DVD applications.
- Audio/video switches in various multimedia devices.
- General-purpose analog signal switching in industrial and consumer electronics.
Q & A
- What is the ADG794BRQZ used for?
The ADG794BRQZ is used as a quad 2:1 multiplexer/demultiplexer for switching analog audio/video signals.
- What is the typical bandwidth of the ADG794BRQZ?
The typical bandwidth of the ADG794BRQZ is 300 MHz.
- What is the on-resistance variation of the ADG794BRQZ?
The on-resistance variation is typically less than 1.2 Ω over the input signal range.
- What supply voltages does the ADG794BRQZ support?
The ADG794BRQZ operates from a single 3.3 V or 5 V supply.
- Is the ADG794BRQZ TTL logic compatible?
Yes, the ADG794BRQZ is TTL logic compatible.
- What is the operating temperature range of the ADG794BRQZ?
The operating temperature range is −40°C to +85°C for the industrial (B Version).
- What type of package is the ADG794BRQZ available in?
The ADG794BRQZ is available in a 16-pin QSOP package.
- What is the typical distortion (THD + N) of the ADG794BRQZ?
The typical distortion (THD + N) is 0.18% at RL = 100 Ω.
- What is the charge injection of the ADG794BRQZ?
The charge injection is typically 7.5 pC at CL = 1 nF, VS = 0 V.
- Is the ADG794BRQZ RoHS compliant?
Yes, the ADG794BRQZ is RoHS compliant.
