Overview
The AD7811YN is a high-speed, low-power, 10-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates from a single supply voltage ranging from 2.7 V to 5.5 V, making it versatile for various applications. The AD7811YN features a successive approximation (SAR) architecture and includes an on-chip track/hold amplifier and a high-speed serial interface compatible with most digital signal processors (DSPs) and microcontrollers.
Key Specifications
| Specification | Value |
|---|---|
| Number of Bits | 10 |
| Sampling Rate (Per Second) | 350 kSPS |
| Number of Inputs | 4 (single-ended or pseudo differential) |
| Input Type | Single Ended or Pseudo Differential |
| Data Interface | Serial |
| Configuration | S/H-ADC |
| Reference Type | Internal (2.5 V ± 2.5%) or External |
| Voltage - Supply, Analog | 2.7 V ~ 5.5 V |
| Voltage - Supply, Digital | 2.7 V ~ 5.5 V |
| Operating Temperature | -40°C ~ 105°C |
| Package / Case | 16-Lead Plastic DIP (N-16) |
Key Features
- Low power consumption: Typically 10 mW at 350 kSPS, with automatic power-down mode to reduce power dissipation further (e.g., 315 µW at 10 kSPS with VDD = 3 V).
- High-speed sampling: Supports up to 350 kSPS sampling rate.
- On-chip track/hold amplifier and reference: Includes a 2.5 V on-chip reference that can be powered down when using an external reference.
- Hardware and software control: Provides both hardware and software control for convert start and power-down.
- DSP/microcontroller-compatible serial interface: Enhances integration with digital signal processors and microcontrollers.
Applications
The AD7811YN is suitable for a variety of applications, including:
- Automotive systems: Qualified for automotive applications due to its robust operating temperature range and reliability.
- Industrial automation: Ideal for high-speed data acquisition in industrial environments.
- Medical devices: Used in medical equipment requiring precise and fast analog-to-digital conversion.
- Consumer electronics: Suitable for applications in consumer electronics where low power consumption and high-speed conversion are necessary.
Q & A
- What is the resolution of the AD7811YN ADC?
The AD7811YN has a resolution of 10 bits. - What is the maximum sampling rate of the AD7811YN?
The maximum sampling rate is 350 kSPS. - How many input channels does the AD7811YN have?
The AD7811YN has four single-ended input channels that can be configured as pseudo differential channels. - What is the supply voltage range for the AD7811YN?
The supply voltage range is from 2.7 V to 5.5 V. - What type of data interface does the AD7811YN use?
The AD7811YN uses a serial data interface. - Does the AD7811YN have an on-chip reference?
Yes, it includes a 2.5 V on-chip reference that can be powered down when using an external reference. - How does the AD7811YN manage power consumption?
The AD7811YN has an automatic power-down mode to reduce power dissipation at lower throughput rates. - Is the AD7811YN compatible with DSPs and microcontrollers?
Yes, it has a high-speed serial interface compatible with most DSPs and microcontrollers. - What is the operating temperature range of the AD7811YN?
The operating temperature range is from -40°C to 105°C. - What package type is the AD7811YN available in?
The AD7811YN is available in a 16-Lead Plastic DIP (N-16) package.
