Overview
The AD7823YRM is a high-speed, low-power, 8-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component operates from a single supply voltage ranging from 2.7 V to 5.5 V and is fully specified over a temperature range of –40°C to +125°C. It features a successive approximation ADC with a typical conversion time of 4 µs and inherent track-and-hold functionality. The AD7823YRM is designed for applications requiring high-speed analog-to-digital conversion with low power consumption, making it ideal for battery-powered and portable devices.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 8-bit |
| Conversion Time | Typically 4 µs |
| Supply Voltage | 2.7 V to 5.5 V |
| Temperature Range | –40°C to +125°C |
| Analog Input Range | 0 V to VREF (VDD) |
| Reference Input Range | 0 V to VDD |
| Power Consumption | 9 mW typical at 5 V, 570 µW at 10 kSPS |
| Package Type | 8-lead microSOIC, 8-lead MSOP |
| Serial Interface | SPI and QSPI compatible |
| Integral Non-Linearity (INL) | ±1 LSB max |
| Differential Non-Linearity (DNL) | ±0.5 LSB max |
Key Features
- High-speed conversion with a typical conversion time of 4 µs
- Low power operation with automatic power-down mode for reduced power consumption
- Inherent track-and-hold functionality with pseudo differential input
- High speed serial interface compatible with SPI and QSPI
- Single supply operation from 2.7 V to 5.5 V
- Small footprint in 8-lead microSOIC or MSOP packages
- Robust noise immunity and dynamic performance maintained over the full operating temperature range
- Optional internal 2.5 V reference
Applications
- Low power, hand-held portable applications requiring analog-to-digital conversion with 8-bit accuracy
- Battery-powered test equipment and communication systems
- Digital imaging systems and data acquisition systems
- Medical instruments and communication systems
- Portable battery-powered devices
Q & A
- What is the resolution of the AD7823YRM ADC?
The AD7823YRM is an 8-bit ADC.
- What is the typical conversion time of the AD7823YRM?
The typical conversion time is 4 µs.
- What is the operating supply voltage range for the AD7823YRM?
The operating supply voltage range is from 2.7 V to 5.5 V.
- What is the temperature range over which the AD7823YRM is specified?
The AD7823YRM is specified over a temperature range of –40°C to +125°C.
- Does the AD7823YRM have an automatic power-down feature?
- What types of packages are available for the AD7823YRM?
The AD7823YRM is available in 8-lead microSOIC and 8-lead MSOP packages.
- Is the AD7823YRM compatible with standard serial interfaces?
- What is the power consumption of the AD7823YRM at typical operating conditions?
The power consumption is typically 9 mW at 5 V, and it can be as low as 570 µW at a throughput rate of 10 kSPS.
- What are some common applications for the AD7823YRM?
- Does the AD7823YRM have inherent track-and-hold functionality?
