Overview
The AD7933BRU, produced by Analog Devices Inc., is a high-speed, low-power, 10-bit successive approximation (SAR) analog-to-digital converter (ADC). This component operates from a single power supply ranging from 2.7 V to 5.25 V and features a throughput rate of up to 1.5 million samples per second (MSPS). It is designed with four analog input channels and a built-in channel sequencer, allowing for flexible configuration of input channels. The AD7933BRU is suitable for various applications requiring high-speed data conversion with low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 10-bit |
| Throughput Rate | Up to 1.5 MSPS |
| Power Supply | 2.7 V to 5.25 V |
| Power Consumption | 6 mW (max) at 1.5 MSPS with 3 V supply, 13.5 mW (max) at 1.5 MSPS with 5 V supply |
| Analog Input Channels | 4 channels (single-ended, fully differential, or pseudo differential) |
| Reference Voltage | On-chip 2.5 V reference, ±0.2% maximum @ 25°C, 25 ppm/°C maximum |
| Signal-to-Noise and Distortion Ratio (SINAD) | 70 dB at 50 kHz input frequency |
| Package Type | 28-lead TSSOP |
| Operating Temperature | –40°C to +85°C |
Key Features
- High-speed parallel interface with word/byte modes
- No pipeline delays
- Full shutdown mode with 2 μA maximum current
- Software configurable analog inputs
- Accurate on-chip 2.5 V reference with the option to use an external reference
- Low noise, wide bandwidth differential track-and-hold amplifier
- Flexible power management options
Applications
The AD7933BRU is suitable for a variety of high-speed data acquisition applications, including industrial control systems, medical devices, and automotive systems. Its low power consumption and high throughput rate make it ideal for battery-powered devices and systems requiring rapid data conversion.
Q & A
- What is the resolution of the AD7933BRU ADC?
The AD7933BRU has a resolution of 10 bits. - What is the maximum throughput rate of the AD7933BRU?
The maximum throughput rate is up to 1.5 MSPS. - What is the power supply range for the AD7933BRU?
The power supply range is from 2.7 V to 5.25 V. - How many analog input channels does the AD7933BRU have?
The AD7933BRU has four analog input channels. - What types of analog input configurations are supported by the AD7933BRU?
The AD7933BRU supports single-ended, fully differential, and pseudo differential analog inputs. - What is the accuracy of the on-chip reference voltage?
The on-chip reference voltage has an accuracy of ±0.2% maximum at 25°C and 25 ppm/°C maximum. - What is the SINAD at a 50 kHz input frequency?
The SINAD is 70 dB at a 50 kHz input frequency. - What is the package type of the AD7933BRU?
The package type is a 28-lead TSSOP. - What is the operating temperature range of the AD7933BRU?
The operating temperature range is from –40°C to +85°C. - Does the AD7933BRU have a shutdown mode?
Yes, the AD7933BRU has a full shutdown mode with a maximum current of 2 μA.
