Overview
The AD7890ARZ-10 is an 8-channel, 12-bit serial data acquisition system produced by Analog Devices Inc. This integrated circuit combines an input multiplexer, an on-chip track/hold amplifier, a high-speed 12-bit analog-to-digital converter (ADC), a 2.5 V reference, and a high-speed serial interface. It operates from a single 5 V supply and supports various analog input ranges, including ±10 V, 0 V to 4.096 V, and 0 V to 2.5 V. The device is designed for high integration and compact form factor, making it suitable for space-sensitive applications.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Number of Channels | 8 |
| Sampling Rate | 117 kSPS |
| Input Voltage Range | ±10 V, 0 V to 4.096 V, 0 V to 2.5 V |
| Supply Voltage | 5 V |
| Power Dissipation | 30 mW (typical), 50 mW (maximum) |
| Operating Temperature | -40°C to 85°C |
| Package Type | 24-Lead SOIC (Wide) |
| Mounting Type | Surface Mount |
| Data Interface | SPI (Serial Peripheral Interface) |
Key Features
- High-speed 12-bit ADC with SAR architecture
- 8-channel multiplexed input with independently accessible multiplexer
- On-chip track/hold amplifier and 2.5 V reference
- Low power consumption with standby (power-down) mode
- High throughput with SPI interface for easy integration with microcontrollers and digital signal processors
- Compact 24-SOIC package suitable for space-sensitive applications
- Operational temperature range of -40°C to 85°C
Applications
- Industrial process control
- Medical instruments
- Robotics and automation systems
- Real-time data acquisition systems
- Space-sensitive applications requiring high integration and compact form factor
Q & A
- What is the resolution of the AD7890ARZ-10 ADC?
The AD7890ARZ-10 has a resolution of 12 bits. - How many analog input channels does the AD7890ARZ-10 support?
The device supports 8 analog input channels. - What is the sampling rate of the AD7890ARZ-10?
The sampling rate is 117 kSPS. - What are the input voltage ranges supported by the AD7890ARZ-10?
The device supports input voltage ranges of ±10 V, 0 V to 4.096 V, and 0 V to 2.5 V. - What is the supply voltage for the AD7890ARZ-10?
The supply voltage is 5 V. - What is the typical power dissipation of the AD7890ARZ-10?
The typical power dissipation is 30 mW, with a maximum of 50 mW. - What is the operating temperature range of the AD7890ARZ-10?
The operating temperature range is -40°C to 85°C. - What type of package does the AD7890ARZ-10 come in?
The device comes in a 24-Lead SOIC (Wide) package. - What type of data interface does the AD7890ARZ-10 use?
The device uses an SPI (Serial Peripheral Interface) for data communication. - Is the AD7890ARZ-10 suitable for space-sensitive applications?
Yes, the device is designed for high integration and has a compact form factor, making it suitable for space-sensitive applications.
