Overview
The AD7440BRMZ is a 10-bit high-speed, low-power successive approximation (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This component features a fully differential analog input and operates from a single 3 V or 5 V power supply. It is designed to achieve very low power dissipation at throughput rates up to 1 MSPS, making it suitable for a variety of applications requiring high-speed data acquisition with minimal power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 10 bits |
| Throughput Rate | Up to 1 MSPS |
| Power Supply | 3 V or 5 V |
| Power Consumption | 4 mW (at 3 V supply) |
| Analog Input | Fully differential |
| Input Frequency Range | Up to 3.5 MHz |
| Reference Voltage Range | 100 mV to 3.5 V |
| Package Type | 8-Lead MSOP |
| Operating Temperature Range | -40°C to +85°C |
| Interface | SPI/QSPI/MICROWIRE/DSP compatible |
Key Features
- High-speed, low-power SAR ADC architecture with no pipeline delays.
- Low noise, wide bandwidth differential track-and-hold amplifier.
- 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.
- Variable reference voltage input from 100 mV to 3.5 V.
- Compact 8-lead MSOP and SOT-23 packages.
Applications
- Transducer interfaces.
- Battery-powered systems.
- Data acquisition systems.
- Portable instrumentation.
- Motor control systems.
Q & A
- What is the resolution of the AD7440BRMZ ADC?
The AD7440BRMZ has a resolution of 10 bits.
- What is the maximum throughput rate of the AD7440BRMZ?
The maximum throughput rate is up to 1 MSPS.
- What are the power supply options for the AD7440BRMZ?
The AD7440BRMZ can operate from either a 3 V or 5 V power supply.
- How much power does the AD7440BRMZ consume at a 3 V supply?
The power consumption is approximately 4 mW at a 3 V supply.
- What type of analog input does the AD7440BRMZ have?
The AD7440BRMZ features a fully differential analog input.
- What is the maximum input frequency the track-and-hold amplifier can handle?
The track-and-hold amplifier can handle input frequencies up to 3.5 MHz.
- What is the range of the reference voltage for the AD7440BRMZ?
The reference voltage can be varied from 100 mV to 3.5 V.
- In what package types is the AD7440BRMZ available?
The AD7440BRMZ is available in 8-lead MSOP and SOT-23 packages.
- What is the operating temperature range of the AD7440BRMZ?
The operating temperature range is from -40°C to +85°C.
- What interfaces is the AD7440BRMZ compatible with?
The AD7440BRMZ is compatible with SPI, QSPI, MICROWIRE, and DSP interfaces.
