Overview
The AD7928BRUZ-REEL7 is a 12-bit, high-speed, low-power, 8-channel successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the AD7908/AD7918/AD7928 family and is known for its advanced design techniques that achieve very low power dissipation at maximum throughput rates. The AD7928 operates from a single 2.7 V to 5.25 V power supply and features throughput rates up to 1 MSPS, making it suitable for a variety of high-speed data acquisition applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Number of Channels | 8 single-ended analog inputs |
| Throughput Rate | Up to 1 MSPS |
| Power Supply | 2.7 V to 5.25 V |
| Current Consumption | 2 mA max at 3 V, 2.7 mA max at 5 V |
| Operating Temperature Range | −40°C to +85°C |
| Package | 20-Lead TSSOP |
| Input Range | 0 V to REF IN or 0 V to 2 × REF IN |
| Output Coding | Straight binary or twos complement |
| Interface Compatibility | SPI/QSPI/MICROWIRE/DSP compatible |
| Shutdown Current | 0.5 μA max |
Key Features
- High-speed serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- No pipeline delays, allowing for real-time conversion.
- Low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies in excess of 8 MHz.
- Flexible power and serial clock speed management.
- Shutdown mode with a maximum current of 0.5 μA.
- Channel sequencer for preprogrammed selection of channels to be converted sequentially.
- Configurable analog input range and output coding (straight binary or twos complement).
Applications
- High-speed data acquisition systems.
- Automotive applications (qualified for automotive use).
- Industrial control and monitoring systems.
- Medical devices requiring high-speed and low-power ADCs.
- Embedded systems and microprocessor/DSP-based designs.
Q & A
- What is the resolution of the AD7928BRUZ-REEL7?
The AD7928BRUZ-REEL7 is a 12-bit analog-to-digital converter.
- How many analog input channels does the AD7928BRUZ-REEL7 have?
The device has 8 single-ended analog input channels.
- What is the maximum throughput rate of the AD7928BRUZ-REEL7?
The maximum throughput rate is up to 1 MSPS.
- What is the power supply range for the AD7928BRUZ-REEL7?
The device operates from a single 2.7 V to 5.25 V power supply.
- How much current does the AD7928BRUZ-REEL7 consume at maximum throughput rates?
At maximum throughput rates, the device consumes 2 mA maximum with 3 V supplies and 2.7 mA maximum with 5 V supplies.
- What is the operating temperature range of the AD7928BRUZ-REEL7?
The operating temperature range is −40°C to +85°C.
- What type of package does the AD7928BRUZ-REEL7 come in?
The device is packaged in a 20-Lead TSSOP.
- Can the AD7928BRUZ-REEL7 be used in automotive applications?
Yes, the AD7928BRUZ-REEL7 is qualified for automotive applications.
- What types of output coding does the AD7928BRUZ-REEL7 support?
The device supports straight binary and twos complement output coding.
- How does the AD7928BRUZ-REEL7 manage power consumption in shutdown mode?
In shutdown mode, the device consumes a maximum of 0.5 μA.
