Overview
The AD7778AS is a high-speed, 10-bit, 8-channel analog-to-digital converter (ADC) produced by Analog Devices Inc. This integrated circuit is designed for applications requiring simultaneous sampling of multiple analog inputs. The AD7778AS features a successive approximation register (SAR) architecture, ensuring high accuracy and speed in data conversion.
The device operates within a wide temperature range and is packaged in a 44-lead QFP (Quad Flat Package), making it suitable for various industrial and commercial environments. Its robust design and compliance with RoHS standards make it a reliable choice for modern electronic systems.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package / Case | 44-MQFP (10x10) |
| Number of Bits | 10 |
| Number of Channels | 8 |
| Architecture | SAR (Successive Approximation Register) |
| Operating Temperature | -40°C to +85°C |
| Supply Voltage (Analog) | 5V |
| Supply Voltage (Digital) | 5V |
| Input Type | Single Ended |
| Sampling Rate | Not specified (refer to datasheet for detailed sampling rates) |
| Reference Type | External, Internal |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Key Features
- Simultaneous sampling of 8 analog input channels
- 10-bit resolution with SAR architecture for high accuracy
- High-speed operation suitable for real-time data acquisition
- External and internal reference options
- Parallel data interface for easy integration with microcontrollers and other digital systems
- Wide operating temperature range (-40°C to +85°C)
- RoHS compliant and lead-free packaging
Applications
- Data acquisition systems requiring simultaneous sampling of multiple channels
- Industrial control and automation systems
- Medical devices and diagnostic equipment
- Aerospace and defense applications
- Automotive systems requiring high-speed and accurate data conversion
Q & A
- What is the resolution of the AD7778AS ADC?
The AD7778AS has a 10-bit resolution.
- How many analog input channels does the AD7778AS support?
The AD7778AS supports 8 analog input channels.
- What is the architecture of the AD7778AS ADC?
The AD7778AS uses a successive approximation register (SAR) architecture.
- What is the operating temperature range of the AD7778AS?
The operating temperature range is -40°C to +85°C.
- What type of supply voltages does the AD7778AS require?
The AD7778AS requires 5V for both analog and digital supply voltages.
- Is the AD7778AS RoHS compliant?
- What type of packaging does the AD7778AS come in?
The AD7778AS is packaged in a 44-MQFP (10x10).
- What is the moisture sensitivity level (MSL) of the AD7778AS?
The MSL is 3 (168 Hours).
- Does the AD7778AS support simultaneous sampling?
- What type of data interface does the AD7778AS use?
The AD7778AS uses a parallel data interface.
