Overview
The AD7490BRUZ is a 16-channel, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed to meet the demanding requirements of industrial, medical, and automotive applications where high speed and accuracy are essential. It features a robust architecture with low power consumption and high throughput rates, making it ideal for multiplexed signal acquisition in various systems.
The AD7490BRUZ operates from a single 2.7 V to 5.25 V power supply and supports throughput rates up to 1 MSPS. It includes a low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies in excess of 1 MHz. The device is controlled using the CS and serial clock signals, allowing easy integration with microprocessors or DSPs.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7490BRUZ |
| Package/Case | 28-Lead TSSOP |
| Resolution | 12-bit |
| Number of Analog In Channels | 16 single-ended |
| Sampling Rate | Up to 1 MSPS |
| Supply Voltage Range | 2.7 V to 5.25 V |
| Interface | SPI/QSPI™/MICROWIRE™/DSP compatible |
| Power Consumption | 1.8 mA (3 V), 2.5 mA (5 V) |
| Operating Temperature Range | -40°C to +85°C |
| Signal to Noise Ratio (SNR) | 69.5 dB at 50 kHz input frequency |
Key Features
- Fast Conversion Rates: Optimized for efficient data processing with throughput rates up to 1 MSPS.
- High Accuracy: Ensures reliable and precise analog-to-digital conversions.
- Wide Supply Voltage Range: Operates from a single 2.7 V to 5.25 V power supply, providing flexibility for various operating conditions.
- SPI Compatibility: Enables easy integration with other digital systems using SPI/QSPI™/MICROWIRE™/DSP compatible interfaces.
- Low Power Consumption: Reduces overall system energy requirements with power consumption as low as 1.8 mA at 3 V and 2.5 mA at 5 V.
- Channel Sequencer: Allows a preprogrammed selection of channels to be converted sequentially.
- Temperature Monitoring: Provides accurate temperature monitoring capabilities.
- Full Shutdown Mode: Consumes only 0.5 µA in full shutdown mode to maximize power efficiency.
Applications
- Industrial Automation: Precise data acquisition in industrial environments.
- Medical Devices: Accurate A/D conversion in medical instrumentation.
- High-Performance Instrumentation: Used in oscilloscopes and other high-performance measurement equipment.
- Sensor Networks: Suitable for remote monitoring and signal processing in sensor networks.
- Battery-Powered Equipment: Ideal for battery-powered devices due to its low power consumption.
- Power Line Monitoring: Used in power line monitoring and data acquisition systems.
Q & A
- What is the resolution of the AD7490BRUZ ADC?
The AD7490BRUZ has a 12-bit resolution.
- How many analog input channels does the AD7490BRUZ have?
The AD7490BRUZ features 16 single-ended analog input channels.
- What is the maximum sampling rate of the AD7490BRUZ?
The AD7490BRUZ supports throughput rates up to 1 MSPS.
- What is the operating supply voltage range of the AD7490BRUZ?
The device operates from a single 2.7 V to 5.25 V power supply.
- What interface does the AD7490BRUZ use for data transfer?
The AD7490BRUZ uses an SPI/QSPI™/MICROWIRE™/DSP compatible interface.
- How much power does the AD7490BRUZ consume at maximum throughput rates?
The device consumes 1.8 mA with 3 V supplies and 2.5 mA with 5 V supplies at maximum throughput rates.
- What is the operating temperature range of the AD7490BRUZ?
The device operates within a temperature range of -40°C to +85°C.
- Does the AD7490BRUZ have any pipeline delays?
No, the AD7490BRUZ does not have any pipeline delays.
- What is the signal to noise ratio (SNR) of the AD7490BRUZ at 50 kHz input frequency?
The SNR is 69.5 dB at a 50 kHz input frequency.
- What is the power consumption in full shutdown mode?
The power consumption is 0.5 µA in full shutdown mode.
