Overview
The AD7451ARTZ-REEL7 is a 12-bit, high-speed, low-power, single-supply, successive approximation (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7451 series and is housed in an 8-lead SOT-23 package. It operates from a single 2.7 V to 5.25 V power supply, making it suitable for a wide range of applications requiring high throughput and low power consumption.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12-bit | |
| Conversion Rate | Up to 1 MSPS | |
| Power Supply Range | 2.7 V to 5.25 V | V |
| Power Consumption (Normal Mode) | 1.45 mA (2.7 V to 3.6 V), 1.95 mA (4.75 V to 5.25 V) | mA |
| Power Consumption (Full Power-Down Mode) | 1 μA | μA |
| Input Type | Pseudo differential analog input | |
| Track-and-Hold Acquisition Time | 250 ns (sine wave input), 290 ns (full-scale step input) | ns |
| Serial Interface | SPI/QSPI/MICROWIRE/DSP-compatible | |
| Package Type | 8-lead SOT-23 | |
| Operating Temperature Range | -40°C to +85°C | °C |
Key Features
- High throughput rate of up to 1 MSPS with an 18 MHz SCLK.
- Low power consumption, with a maximum of 4 mW at 3 V supply for 1 MSPS throughput rate.
- Pseudo differential analog input with a wide input bandwidth.
- No pipeline delays due to SAR ADC architecture.
- Flexible power and serial clock speed management.
- Power-down mode with a maximum current of 1 μA.
- High-speed serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- External reference voltage applied to the VREF pin, ranging from 100 mV to VDD.
Applications
- Transducer interface.
- Battery-powered systems.
- Data acquisition systems.
- Portable instrumentation.
Q & A
- What is the resolution of the AD7451ARTZ-REEL7?
The AD7451ARTZ-REEL7 has a 12-bit resolution.
- What is the maximum conversion rate of the AD7451ARTZ-REEL7?
The maximum conversion rate is up to 1 MSPS.
- What is the power supply range for the AD7451ARTZ-REEL7?
The power supply range is from 2.7 V to 5.25 V.
- How much power does the AD7451ARTZ-REEL7 consume in normal mode?
In normal mode, the power consumption is typically 1.45 mA (2.7 V to 3.6 V) and 1.95 mA (4.75 V to 5.25 V).
- What is the power consumption in full power-down mode?
In full power-down mode, the power consumption is a maximum of 1 μA.
- What type of analog input does the AD7451ARTZ-REEL7 have?
The AD7451ARTZ-REEL7 has a pseudo differential analog input.
- What is the track-and-hold acquisition time for the AD7451ARTZ-REEL7?
The track-and-hold acquisition time is 250 ns for a sine wave input and 290 ns for a full-scale step input.
- What type of serial interface does the AD7451ARTZ-REEL7 support?
The AD7451ARTZ-REEL7 supports SPI, QSPI, MICROWIRE, and DSP-compatible serial interfaces.
- In what package type is the AD7451ARTZ-REEL7 available?
The AD7451ARTZ-REEL7 is available in an 8-lead SOT-23 package.
- What is the operating temperature range for the AD7451ARTZ-REEL7?
The operating temperature range is from -40°C to +85°C.
