Overview
The AD9445BSVZ-125 is a high-performance, 14-bit, 125 MSPS (mega-samples per second) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for high-speed data acquisition and is particularly suited for applications requiring high IF (intermediate frequency) sampling. The AD9445 features an integrated track-and-hold circuit, an on-board reference, and flexible digital output options, making it a versatile choice for various high-speed signal processing tasks.
Key Specifications
| Parameter | Min | Typ | Max |
|---|---|---|---|
| Resolution | 14 bits | - | - |
| Sampling Rate | - | 125 MSPS | - |
| Analog Input Range | - | 2.0 V p-p (differential) | - |
| Input Bias Voltage | - | 3.5 V | - |
| Analog Supply Voltage (AVDD1) | 3.15 V | 3.3 V | 3.45 V |
| Analog Supply Voltage (AVDD2) | 4.75 V | 5 V | 5.25 V |
| Digital Supply Voltage (DRVDD) | 2.5 V | - | 3.6 V |
| Output Logic Levels | - | CMOS or LVDS | - |
| Package Type | - | 100-Lead TQFP (14mm x 14mm) | - |
Key Features
- Integrated high bandwidth track-and-hold circuit for precise signal sampling.
- On-board 0.5 V band gap voltage reference with the option to use an external reference.
- Flexible digital output logic levels: CMOS or LVDS (ANSI-644 compatible).
- Separate digital and analog power supply pins for optimal performance.
- Duty Cycle Stabilizer (DCS) to maintain stable output duty cycles.
- RF ENABLE feature for controlling the device's operation.
Applications
The AD9445BSVZ-125 is ideal for various high-speed signal processing applications, including:
- High IF sampling in communications systems.
- Medical imaging and diagnostics.
- Radar and surveillance systems.
- High-speed data acquisition systems.
- Test and measurement equipment.
Q & A
- What is the resolution of the AD9445BSVZ-125?
The AD9445BSVZ-125 has a resolution of 14 bits. - What is the maximum sampling rate of the AD9445BSVZ-125?
The maximum sampling rate is 125 MSPS. - What are the available output logic levels for the AD9445BSVZ-125?
The output logic levels can be set to either CMOS or LVDS (ANSI-644 compatible). - Can the AD9445BSVZ-125 use an external reference voltage?
Yes, the AD9445BSVZ-125 allows the use of an external reference voltage in addition to its on-board reference. - What is the typical analog input range for the AD9445BSVZ-125?
The typical analog input range is 2.0 V p-p (differential). - What are the power supply requirements for the AD9445BSVZ-125?
The device requires separate analog (AVDD1 and AVDD2) and digital (DRVDD) power supply pins. - What package type is the AD9445BSVZ-125 available in?
The AD9445BSVZ-125 is available in a 100-Lead TQFP (14mm x 14mm) package. - Does the AD9445BSVZ-125 have a Duty Cycle Stabilizer?
Yes, the AD9445BSVZ-125 includes a Duty Cycle Stabilizer (DCS) to maintain stable output duty cycles. - What is the purpose of the RF ENABLE feature on the AD9445BSVZ-125?
The RF ENABLE feature allows for controlling the device's operation, particularly useful in high-frequency applications. - What are some typical applications for the AD9445BSVZ-125?
The AD9445BSVZ-125 is commonly used in high IF sampling, medical imaging, radar systems, high-speed data acquisition, and test and measurement equipment.
