Overview
The AD7918BRUZ is a high-performance, 10-bit, 8-channel successive approximation analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is designed for high-speed data acquisition and features a low power consumption profile, making it suitable for a wide range of applications. The AD7918BRUZ operates from a single 2.7 V to 5.25 V power supply and supports throughput rates up to 1 MSPS. It is packaged in a 20-lead TSSOP, which is RoHS compliant and qualified for automotive applications.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 10 bits |
| Number of Channels | 8 channels |
| Conversion Rate | Up to 1 MSPS |
| Power Supply | 2.7 V to 5.25 V |
| Package Type | 20-lead TSSOP |
| Operating Temperature | -40°C to +85°C |
| Input Range | 0 V to REFIN or 0 V to 2 × REFIN |
| Output Coding | Straight binary or twos complement |
| Interface Compatibility | SPI, QSPI, MICROWIRE, DSP |
| Shutdown Current | 0.5 μA max |
Key Features
- High-speed serial interface compatible with SPI, QSPI, MICROWIRE, and DSP
- No pipeline delays, allowing for efficient data acquisition
- Low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies in excess of 8 MHz
- Flexible power and serial clock speed management
- Low power dissipation: 2 mA max at 3 V and 2.7 mA max at 5 V
- Channel sequencer for preprogrammed selection of channels to be converted sequentially
- Shutdown mode with a maximum current of 0.5 μA
Applications
- Automotive systems: Qualified for automotive applications due to its robust operating temperature range and reliability
- Industrial control systems: Suitable for high-speed data acquisition in industrial environments
- Medical devices: Can be used in medical equipment requiring precise and fast analog-to-digital conversion
- Consumer electronics: Applicable in various consumer devices needing efficient and low-power ADC solutions
Q & A
- What is the resolution of the AD7918BRUZ ADC?
The AD7918BRUZ has a resolution of 10 bits. - How many channels does the AD7918BRUZ support?
The AD7918BRUZ supports 8 channels. - What is the maximum conversion rate of the AD7918BRUZ?
The maximum conversion rate is up to 1 MSPS. - What is the power supply range for the AD7918BRUZ?
The power supply range is from 2.7 V to 5.25 V. - What type of package does the AD7918BRUZ come in?
The AD7918BRUZ is packaged in a 20-lead TSSOP. - Is the AD7918BRUZ RoHS compliant?
Yes, the AD7918BRUZ is RoHS compliant. - What is the operating temperature range of the AD7918BRUZ?
The operating temperature range is -40°C to +85°C. - What interfaces is the AD7918BRUZ compatible with?
The AD7918BRUZ is compatible with SPI, QSPI, MICROWIRE, and DSP interfaces. - Does the AD7918BRUZ have pipeline delays?
No, the AD7918BRUZ does not have pipeline delays. - What is the maximum shutdown current of the AD7918BRUZ?
The maximum shutdown current is 0.5 μA.
