Overview
The AD7865YSZ-3 is a high-performance, four-channel simultaneous sampling 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component operates from a single +5 V supply and is designed for applications requiring fast and accurate analog-to-digital conversion. It features a successive approximation ADC, four track/hold amplifiers, a 2.5 V reference, an on-chip clock oscillator, and signal conditioning circuitry. The AD7865YSZ-3 is particularly useful in scenarios where the relative phase information of multiple analog signals needs to be preserved.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 4 |
| Number of Bits | 14 |
| Sampling Rate | 350 ksps |
| Polarity | Bipolar/Unipolar (depending on the model variant) |
| Integral Nonlinearity (INL) | 2 LSB |
| Differential Nonlinearity (DNL) | 1 LSB |
| Supply Voltage | 4.75 V to 5 V |
| Package Type | 44-QFP |
| Number of Pins | 44 |
| Analog Input Range | ±10 V, ±5 V, ±2.5 V |
| Overvoltage Protection | ±20 V |
Key Features
- Simultaneous sampling of four analog input channels, preserving relative phase information.
- Fast conversion time of 2.5 µs using a successive approximation ADC.
- On-chip clock oscillator and 2.5 V reference.
- Signal conditioning circuitry and high-speed parallel interface.
- Low power consumption and single +5 V supply operation.
- Overvoltage protection up to ±20 V on analog inputs.
Applications
The AD7865YSZ-3 is suitable for a variety of applications that require simultaneous sampling of multiple analog signals. These include:
- Data acquisition systems.
- Medical devices requiring precise signal measurement.
- Aerospace and defense systems where phase information is critical.
- Industrial control systems needing high-speed and accurate ADCs.
- Test and measurement equipment.
Q & A
- What is the AD7865YSZ-3?
The AD7865YSZ-3 is a four-channel simultaneous sampling 14-bit analog-to-digital converter produced by Analog Devices Inc.
- What is the sampling rate of the AD7865YSZ-3?
The sampling rate is 350 ksps.
- What is the power supply requirement for the AD7865YSZ-3?
The component operates from a single +5 V supply.
- What is the analog input range for the AD7865YSZ-3?
The analog input range is ±10 V, ±5 V, or ±2.5 V.
- Does the AD7865YSZ-3 have overvoltage protection?
Yes, it has overvoltage protection up to ±20 V on the analog inputs.
- What type of ADC does the AD7865YSZ-3 use?
The AD7865YSZ-3 uses a successive approximation ADC.
- How many channels does the AD7865YSZ-3 support?
The AD7865YSZ-3 supports four simultaneous sampling channels.
- What is the package type of the AD7865YSZ-3?
The package type is 44-QFP.
- What are some typical applications for the AD7865YSZ-3?
Typical applications include data acquisition systems, medical devices, aerospace and defense systems, industrial control systems, and test and measurement equipment.
- Does the AD7865YSZ-3 have an on-chip clock oscillator?
Yes, it has an on-chip clock oscillator.
