Overview
The AD8115ASTZ from Analog Devices Inc. is a high-speed, 16 × 16 video crosspoint switch matrix. This integrated circuit is designed to handle high-frequency signals with a −3 dB signal bandwidth greater than 200 MHz and channel switch times of less than 50 ns with 1% settling. It is particularly suited for applications requiring low crosstalk and high signal integrity, making it ideal for various high-speed video and signal switching applications.
Key Specifications
| Parameter | Value |
|---|---|
| Signal Bandwidth | Greater than 200 MHz |
| Channel Switch Time | Less than 50 ns (1% settling) |
| Crosstalk | −70 dB (at 5 MHz) |
| Isolation | −98 dB (at 5 MHz) |
| Differential Gain | Better than 0.05% |
| Differential Phase | Better than 0.05° |
| Flatness | 0.1 dB out to 25 MHz |
| Gain | +2 |
| Supply Voltage | ±5 V |
| Idle Current | 70 mA |
| Package Type | 100-lead LQFP (14mm x 14mm) |
| Operating Temperature Range | −40°C to +85°C |
Key Features
- High-speed switching with channel switch times of less than 50 ns.
- Low crosstalk and high isolation: −70 dB crosstalk and −98 dB isolation at 5 MHz.
- Excellent video signal integrity: differential gain and differential phase of better than 0.05% and 0.05°, respectively.
- 16 independent output buffers that can be placed into a high impedance state for paralleling crosspoint outputs.
- Serial digital control or parallel control for channel switching, allowing daisy-chaining of several devices.
- Operates on ±5 V supplies with low idle current of 70 mA.
Applications
The AD8115ASTZ is suitable for a variety of high-speed video and signal switching applications, including:
- Video routing and switching systems.
- High-definition video processing.
- Medical imaging equipment.
- Aerospace and defense systems.
- Industrial control and automation.
Q & A
- What is the signal bandwidth of the AD8115ASTZ?
The AD8115ASTZ has a −3 dB signal bandwidth greater than 200 MHz. - How fast is the channel switching time of the AD8115ASTZ?
The channel switch time is less than 50 ns with 1% settling. - What is the crosstalk and isolation performance of the AD8115ASTZ?
The AD8115ASTZ offers −70 dB of crosstalk and −98 dB of isolation at 5 MHz. - What are the differential gain and differential phase specifications of the AD8115ASTZ?
The differential gain and differential phase are better than 0.05% and 0.05°, respectively. - What is the gain of the AD8115ASTZ?
The AD8115ASTZ has a gain of +2. - What is the supply voltage and idle current of the AD8115ASTZ?
The AD8115ASTZ operates on ±5 V supplies and consumes 70 mA of idle current. - What is the package type and operating temperature range of the AD8115ASTZ?
The AD8115ASTZ is packaged in a 100-lead LQFP (14mm x 14mm) and operates over an extended industrial temperature range of −40°C to +85°C. - How can the channel switching be controlled in the AD8115ASTZ?
The channel switching can be controlled via serial digital control or parallel control, allowing daisy-chaining of several devices. - What are some typical applications of the AD8115ASTZ?
The AD8115ASTZ is used in video routing and switching systems, high-definition video processing, medical imaging equipment, aerospace and defense systems, and industrial control and automation. - Can the output buffers of the AD8115ASTZ be placed into a high impedance state?
Yes, the 16 independent output buffers can be placed into a high impedance state for paralleling crosspoint outputs.
