Overview
The AD7783BRU-REEL, produced by Analog Devices Inc., is a 24-bit sigma-delta analog-to-digital converter (ADC) designed for low-frequency measurement applications. This component is part of the AD778x family and is known for its high precision and versatility. The AD7783 features a fully differential input channel, on-chip programmable gain amplifier (PGA), and integrated current sources, making it an ideal choice for various industrial and measurement applications.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Description | IC ADC 24BIT 2CH R-R 16-TSSOP |
| Number of Bits | 24 |
| Input Type | Differential |
| Input Range | ±2.56 V or ±160 mV |
| Supply Voltage | 2.7 V ~ 3.6 V, 4.75 V ~ 5.25 V |
| Operating Temperature | -40°C ~ 85°C |
| Package Type | 16-Lead TSSOP |
| Interface | SPI, QSPI, MICROWIRE, DSP-Compatible |
| Output Update Rate | 19.79 Hz |
| Power Consumption | 1.3 mA @ 3 V (Normal), 9 µA (Power-Down) |
Key Features
- High Precision: 24-bit sigma-delta ADC with 16-bit p-p resolution.
- Programmable Gain Amplifier (PGA): Allows gain settings of 1 or 16.
- Integrated Current Sources: Two 200 mA integrated current sources.
- Simple Digital Interface: Read-only interface that can operate in master or slave mode.
- Simultaneous Noise Rejection: 50 Hz and 60 Hz rejection of better than 60 dB.
- Low Power Consumption: Operates from a single 3 V or 5 V supply with low power dissipation.
Applications
- Sensor Measurement: Suitable for measuring signals from various sensors.
- Industrial Process Control: Used in industrial automation and process control systems.
- Temperature Measurement: Ideal for precise temperature measurements.
- Pressure Measurement: Used in pressure sensing applications.
- Weigh Scales and Portable Instrumentation: Applied in weigh scales and portable measurement instruments.
Q & A
- What is the resolution of the AD7783BRU-REEL ADC?
The AD7783BRU-REEL has a 24-bit resolution with 16-bit p-p resolution.
- What are the input ranges for the AD7783BRU-REEL?
The input ranges are ±2.56 V or ±160 mV.
- What is the operating temperature range for the AD7783BRU-REEL?
The operating temperature range is -40°C to 85°C.
- What types of interfaces does the AD7783BRU-REEL support?
The AD7783BRU-REEL supports SPI, QSPI, MICROWIRE, and DSP-compatible interfaces.
- What is the power consumption of the AD7783BRU-REEL?
The power consumption is 1.3 mA @ 3 V (Normal) and 9 µA (Power-Down).
- Does the AD7783BRU-REEL have integrated current sources?
Yes, it has two 200 mA integrated current sources.
- What is the output update rate of the AD7783BRU-REEL?
The output update rate is 19.79 Hz.
- What kind of noise rejection does the AD7783BRU-REEL offer?
The AD7783BRU-REEL offers simultaneous 50 Hz and 60 Hz rejection of better than 60 dB.
- In what package type is the AD7783BRU-REEL available?
The AD7783BRU-REEL is available in a 16-Lead TSSOP package.
- What are some common applications of the AD7783BRU-REEL?
Common applications include sensor measurement, industrial process control, temperature measurement, pressure measurement, and weigh scales.
