Overview
The AD7812YRUZ is a high-speed, low-power, 10-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates from a single 2.7 V to 5.5 V supply and is designed for applications requiring multiple input channels and high-speed conversion. The AD7812 features an on-chip track/hold amplifier, a 2.5 V on-chip reference, and a high-speed serial interface compatible with most digital signal processors (DSPs) and microcontrollers.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 10-bit |
| Number of Channels | 8 single-ended or pseudo differential |
| Conversion Rate | 350 kSPS |
| Supply Voltage | 2.7 V to 5.5 V |
| Power Consumption | Typically 10 mW at full throughput, 315 µW at 10 kSPS with VDD = 3 V |
| On-chip Reference | 2.5 V ± 2.5% |
| Package Type | 20-Lead TSSOP |
| Operating Temperature | -40°C to +85°C (qualified for automotive applications) |
Key Features
- High-speed successive approximation ADC with a conversion time of 2.3 µs
- On-chip track/hold amplifier and 2.5 V reference circuit
- High-speed serial interface compatible with DSPs and microcontrollers
- Automatic power-down mode to reduce power consumption at lower throughput rates
- Hardware and software control of convert start and power-down
- Ability to share the same serial bus with multiple devices using the package address pin
Applications
The AD7812YRUZ is suitable for a variety of applications, including data acquisition systems, industrial control systems, medical devices, and automotive systems. Its low power consumption and high-speed conversion make it ideal for battery-powered devices and real-time data acquisition.
Q & A
- What is the resolution of the AD7812YRUZ?
The AD7812YRUZ has a 10-bit resolution. - How many input channels does the AD7812YRUZ have?
The AD7812YRUZ has 8 single-ended or pseudo differential input channels. - What is the conversion rate of the AD7812YRUZ?
The AD7812YRUZ has a conversion rate of 350 kSPS. - What is the supply voltage range for the AD7812YRUZ?
The AD7812YRUZ operates from a single 2.7 V to 5.5 V supply. - How much power does the AD7812YRUZ typically consume?
The AD7812YRUZ typically consumes 10 mW at full throughput and 315 µW at 10 kSPS with VDD = 3 V. - Does the AD7812YRUZ have an on-chip reference?
Yes, the AD7812YRUZ has an on-chip 2.5 V reference circuit. - What type of package is the AD7812YRUZ available in?
The AD7812YRUZ is available in a 20-Lead TSSOP package. - Can the AD7812YRUZ share the same serial bus with other devices?
Yes, the AD7812YRUZ can share the same serial bus with other devices using the package address pin. - Is the AD7812YRUZ qualified for automotive applications?
Yes, the AD7812YRUZ is qualified for automotive applications. - How can the power consumption of the AD7812YRUZ be reduced?
The power consumption can be significantly reduced by using the automatic power-down mode at lower throughput rates.
