Overview
The AD7490BCPZ-REEL7 is a 12-bit, high-speed, low-power analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the AD7490 series and is known for its high throughput rates and low power consumption. It operates from a single 2.7 V to 5.25 V power supply, making it versatile for various applications. The AD7490 features 16 single-ended analog inputs with a built-in channel sequencer, allowing for sequential conversion of preprogrammed channels.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Throughput Rate | Up to 1 MSPS |
| Power Supply | 2.7 V to 5.25 V |
| Power Consumption | 5.4 mW at 870 kSPS with 3 V supplies, 12.5 mW at 1 MSPS with 5 V supplies |
| Current Consumption | 1.8 mA with 3 V supplies, 2.5 mA with 5 V supplies |
| Input Channels | 16 single-ended analog inputs |
| Input Range | 0 V to REFIN or 0 V to 2 × REFIN |
| Output Coding | Straight binary or twos complement |
| Package | 32-Lead LFCSP (5mm x 5mm w/ EP) |
| Operating Temperature | -40°C to +85°C |
Key Features
- Fast throughput rate of up to 1 MSPS.
- Low power consumption: 5.4 mW at 870 kSPS with 3 V supplies and 12.5 mW at 1 MSPS with 5 V supplies.
- 16 single-ended analog inputs with a built-in channel sequencer for sequential conversion.
- Wide input bandwidth exceeding 1 MHz.
- No pipeline delays; conversion initiated on the falling edge of CS.
- VDRIVE function allows the serial interface to connect directly to either 3 V or 5 V processor systems independent of VDD.
- Various shutdown modes to maximize power efficiency at lower throughput rates.
- Standard successive approximation ADC with accurate control of the sampling instant via a CS input.
Applications
The AD7490BCPZ-REEL7 is suitable for a variety of applications requiring high-speed, low-power analog-to-digital conversion. These include:
- Data acquisition systems.
- Industrial control systems.
- Medical devices.
- Aerospace and defense systems.
- Automotive systems.
Q & A
- What is the resolution of the AD7490BCPZ-REEL7?
The AD7490BCPZ-REEL7 has a resolution of 12 bits.
- What is the maximum throughput rate of the AD7490BCPZ-REEL7?
The maximum throughput rate is up to 1 MSPS.
- What is the power supply range for the AD7490BCPZ-REEL7?
The device operates from a single 2.7 V to 5.25 V power supply.
- How many analog input channels does the AD7490BCPZ-REEL7 have?
The device features 16 single-ended analog inputs.
- What is the input range for the analog inputs?
The input range can be selected to be 0 V to REFIN or 0 V to 2 × REFIN.
- What output coding options are available for the AD7490BCPZ-REEL7?
The output coding can be either straight binary or twos complement.
- What package options are available for the AD7490BCPZ-REEL7?
The device is available in a 32-Lead LFCSP (5mm x 5mm w/ EP) package.
- What is the operating temperature range for the AD7490BCPZ-REEL7?
The operating temperature range is -40°C to +85°C.
- How does the VDRIVE function benefit the AD7490BCPZ-REEL7?
The VDRIVE function allows the serial interface to connect directly to either 3 V or 5 V processor systems independent of VDD.
- What are the power consumption characteristics of the AD7490BCPZ-REEL7?
The device consumes 5.4 mW at 870 kSPS with 3 V supplies and 12.5 mW at 1 MSPS with 5 V supplies.
