Overview
The AD7785BRUZ is a high-performance, 20-bit sigma-delta analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is designed for low noise and low drift applications, making it suitable for precision measurement systems. It features a 16-lead TSSOP package and operates with a power supply ranging from 2.7 V to 5.25 V. The AD7785BRUZ includes on-chip features such as a precision internal band gap reference, programmable excitation current sources, burnout currents, and a bias voltage generator.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7785BRUZ |
| Package | 16-TSSOP (0.173", 4.40mm Width) |
| Number of Bits | 20 |
| Sampling Rate | 470 sps |
| Number of Inputs | 3 |
| Input Type | Differential |
| Data Interface | SPI, DSP |
| Architecture | Sigma-Delta |
| Reference Type | External, Internal |
| Supply Voltage (Analog/Digital) | 2.7 V ~ 5.25 V |
| Typical Current Consumption | 400 µA |
Key Features
- Precision low noise, low drift internal band gap reference and external differential reference capability.
- Programmable excitation current sources and burnout currents.
- Bias voltage generator to set the common-mode voltage of a channel to AVDD/2.
- Software-programmable output data rate from 4.17 Hz to 470 Hz.
- Operates with either internal or external clock.
Applications
The AD7785BRUZ is ideal for applications requiring high precision and low noise, such as industrial process control, medical devices, and precision measurement systems. Its ability to operate with both internal and external references and its programmable features make it versatile for various measurement tasks.
Q & A
- What is the resolution of the AD7785BRUZ ADC?
The AD7785BRUZ has a resolution of 20 bits. - What is the sampling rate of the AD7785BRUZ?
The sampling rate of the AD7785BRUZ is up to 470 samples per second (sps). - What type of package does the AD7785BRUZ come in?
The AD7785BRUZ comes in a 16-lead TSSOP package. - What is the supply voltage range for the AD7785BRUZ?
The supply voltage range for the AD7785BRUZ is from 2.7 V to 5.25 V. - Does the AD7785BRUZ have an internal reference?
Yes, the AD7785BRUZ has a precision internal band gap reference and can also accept an external differential reference. - What interfaces does the AD7785BRUZ support?
The AD7785BRUZ supports SPI and DSP interfaces. - Can the AD7785BRUZ be operated with an external clock?
Yes, the AD7785BRUZ can be operated with either an internal or an external clock. - What is the typical current consumption of the AD7785BRUZ?
The typical current consumption of the AD7785BRUZ is 400 µA. - What are some key applications for the AD7785BRUZ?
The AD7785BRUZ is suitable for industrial process control, medical devices, and precision measurement systems. - Is the AD7785BRUZ available in stock?
Yes, the AD7785BRUZ is available in stock from various distributors such as Heisener, Mouser, and Digi-Key.
