Overview
The AD7811YR from Analog Devices Inc. is a high-performance, 10-bit Analog-to-Digital Converter (ADC) designed for a wide range of applications. This device operates from a single supply voltage ranging from 2.7 V to 5.5 V and is known for its low power consumption and high-speed sampling capabilities. The AD7811YR features a successive approximation ADC, an on-chip track and hold amplifier, and a 2.5 V on-chip reference, making it suitable for various digital systems that require precise analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 10 |
| Sampling Rate | 350 kSPS |
| Number of Inputs | 4 (single-ended or pseudo differential) |
| Input Type | Single-ended or pseudo differential |
| Data Interface | SPI, DSP-/Microcontroller-Compatible Serial Interface |
| Supply Voltage | 2.7 V to 5.5 V |
| Operating Temperature | -40°C to 105°C |
| Package | 16-Lead SOIC |
| Conversion Time | 2.3 μs |
| Reference Type | On-chip 2.5 V (±2.5%) or external |
Key Features
- Low power, single supply operation: Typically consumes 10 mW of power and can be reduced to 315 μW at lower throughput rates using automatic power-down mode.
- High-speed sampling: Capable of sampling at 350 kSPS.
- On-chip track and hold amplifier and 2.5 V reference: Enhances accuracy and stability of the conversion process.
- Flexible input configuration: Inputs can be configured as single-ended or pseudo differential channels using the control register.
- DSP-/Microcontroller-Compatible Serial Interface: Allows for easy integration with digital signal processors and microcontrollers.
- Automatic power-down mode: Reduces power consumption during idle periods.
Applications
- Communication systems
- Industrial control systems
- Measuring instruments
- Consumer electronics
- Data acquisition systems
- Medical instruments
- Audio processing systems
Q & A
- What is the AD7811YR used for?
The AD7811YR is used for converting analog signals into digital signals in various applications, including communication, industrial control, measuring instruments, and more.
- What is the sampling rate of the AD7811YR?
The AD7811YR has a sampling rate of 350 kSPS).
- What is the supply voltage range for the AD7811YR?
The supply voltage range for the AD7811YR is from 2.7 V to 5.5 V).
- What types of input channels does the AD7811YR support?
The AD7811YR supports single-ended and pseudo differential input channels).
- What is the operating temperature range of the AD7811YR?
The operating temperature range of the AD7811YR is from -40°C to 105°C).
- Does the AD7811YR have an on-chip reference?
Yes, the AD7811YR has an on-chip 2.5 V (±2.5%) reference, but it also supports the use of an external reference).
- How does the AD7811YR reduce power consumption?
The AD7811YR reduces power consumption through its automatic power-down mode, especially at lower throughput rates).
- What is the conversion time of the AD7811YR?
The conversion time of the AD7811YR is 2.3 μs).
- Can multiple AD7811YR devices share the same serial bus?
Yes, multiple AD7811YR devices can share the same serial bus and can be individually addressed in multipackage applications).
- What package types are available for the AD7811YR?
The AD7811YR is available in 16-lead SOIC, mini-DIP, and TSSOP packages).
