Overview
The AD7658YSTZ-REEL is a high-performance, 6-channel, 12-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is designed for simultaneous sampling and is particularly suited for applications requiring high accuracy and speed. The AD7658 features a successive approximation register (SAR) architecture and supports both parallel and high-speed serial interfaces, making it versatile for integration with microprocessors or digital signal processors (DSPs).
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 12-bit | - | - |
| Number of Channels | 6 | - | Simultaneous sampling |
| Conversion Rate | 250 kSPS | - | - |
| Input Range | ±4 × VREF, ±2 × VREF | - | True bipolar input signals |
| Reference Voltage | 2.5 V | - | On-chip reference |
| Interface | Parallel and high-speed serial | - | Daisy-chain feature for serial interface |
| Package | 64-Lead Low Profile Quad Flat Package (LQFP) | - | - |
| Operating Temperature | -40°C to +125°C | - | - |
Key Features
- Simultaneous Sampling: The AD7658 allows for independent, simultaneous sampling of three ADC pairs using three CONVST pins.
- High-Speed Interfaces: Supports both parallel and high-speed serial interfaces, enabling easy integration with microprocessors or DSPs.
- True Bipolar Inputs: Can accommodate true bipolar input signals in the ±4 × VREF and ±2 × VREF ranges.
- On-Chip Reference: Includes an on-chip 2.5 V reference voltage.
- Daisy-Chain Feature: Allows multiple ADCs to connect to a single serial interface.
- Track-and-Hold Amplifiers: Can handle input frequencies up to 12 MHz.
Applications
- Industrial Automation: Suitable for high-accuracy data acquisition in industrial control systems.
- Medical Devices: Used in medical equipment requiring precise and simultaneous sampling of multiple analog signals.
- Aerospace and Defense: Applies to various military and aerospace applications where high reliability and accuracy are crucial.
- Test and Measurement Equipment: Ideal for use in multichannel data acquisition systems.
Q & A
- What is the resolution of the AD7658YSTZ-REEL ADC?
The AD7658YSTZ-REEL has a resolution of 12 bits.
- How many channels does the AD7658YSTZ-REEL support?
The AD7658YSTZ-REEL supports 6 channels with simultaneous sampling capability.
- What is the conversion rate of the AD7658YSTZ-REEL?
The conversion rate of the AD7658YSTZ-REEL is 250 kSPS.
- What types of interfaces does the AD7658YSTZ-REEL support?
The AD7658YSTZ-REEL supports both parallel and high-speed serial interfaces.
- Does the AD7658YSTZ-REEL have an on-chip reference voltage?
Yes, the AD7658YSTZ-REEL includes an on-chip 2.5 V reference voltage.
- What is the operating temperature range of the AD7658YSTZ-REEL?
The operating temperature range of the AD7658YSTZ-REEL is -40°C to +125°C.
- What package type does the AD7658YSTZ-REEL come in?
The AD7658YSTZ-REEL comes in a 64-Lead Low Profile Quad Flat Package (LQFP).
- Can the AD7658YSTZ-REEL handle bipolar input signals?
Yes, the AD7658YSTZ-REEL can handle true bipolar input signals in the ±4 × VREF and ±2 × VREF ranges.
- What is the daisy-chain feature in the AD7658YSTZ-REEL?
The daisy-chain feature allows multiple ADCs to connect to a single serial interface.
- What is the maximum input frequency that the track-and-hold amplifiers can handle?
The track-and-hold amplifiers can handle input frequencies up to 12 MHz.
