Overview
The AD7492BRU, manufactured by Analog Devices Inc., is a 12-bit successive approximation (SAR) analog-to-digital converter (ADC) designed for high-speed and low-power applications. This component features an internal reference and clock, making it a versatile choice for various data acquisition systems. The AD7492BRU operates with a single supply voltage ranging from 2.7 V to 5.25 V and is housed in a 24-lead TSSOP package.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Sampling Rate (Per Second) | 1 MSPS (AD7492), 1.25 MSPS (AD7492-5) |
| Number of Inputs | 1 |
| Input Type | Single Ended |
| Data Interface | Parallel |
| Configuration | S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | Internal |
| Voltage - Supply, Analog | 2.7 V ~ 5.25 V |
| Voltage - Supply, Digital | 2.7 V ~ 5.25 V |
| Package | 24-TSSOP (0.173", 4.40mm Width) |
Key Features
- High-speed conversion rates of up to 1.25 MSPS.
- Low power consumption, with an average current of 2.75 mA at 5 V supplies and 1.25 MSPS.
- Internal 2.5 V reference voltage, providing an analog input range of 0 V to 2.5 V.
- Flexible power/throughput rate management with full and partial sleep modes.
- No pipeline delays, allowing for direct access to conversion results via standard CS and RD signals.
- High dc input impedance and a high-speed parallel interface for easy integration with microprocessors or DSPs.
Applications
The AD7492BRU is suitable for a variety of applications requiring high-speed data acquisition, such as:
- Industrial control systems.
- Medical devices.
- Aerospace and defense systems.
- Automotive systems.
- Test and measurement equipment.
Q & A
- What is the resolution of the AD7492BRU ADC?
The AD7492BRU has a resolution of 12 bits. - What is the sampling rate of the AD7492BRU?
The sampling rate is up to 1 MSPS for the AD7492 and up to 1.25 MSPS for the AD7492-5. - What type of input does the AD7492BRU support?
The AD7492BRU supports single-ended analog inputs. - What is the supply voltage range for the AD7492BRU?
The supply voltage range is from 2.7 V to 5.25 V for both analog and digital supplies. - Does the AD7492BRU have an internal reference voltage?
Yes, the AD7492BRU has an internal 2.5 V reference voltage. - What is the package type of the AD7492BRU?
The AD7492BRU is housed in a 24-lead TSSOP package. - How does the AD7492BRU manage power consumption?
The AD7492BRU features full and partial sleep modes to manage power consumption. - Is there any pipeline delay in the AD7492BRU?
No, there are no pipeline delays associated with the AD7492BRU. - How is the conversion result accessed in the AD7492BRU?
The conversion result is accessed via standard CS and RD signals over a high-speed parallel interface. - What is the recommended procedure after power-up for the AD7492BRU?
A dummy conversion is recommended after power-up to ensure the part is in the correct mode of operation.
