Overview
The AD7441BRT-R2 is a 10-bit, high-speed, low-power successive approximation (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device features a pseudo differential analog input and operates from a single 2.7 V to 5.25 V power supply. It is designed for high throughput rates up to 1 MSPS and is particularly suited for applications requiring low power consumption and high accuracy.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 10 Bits | |
| Throughput Rate | Up to 1 MSPS | |
| Power Supply | 2.7 V to 5.25 V | V |
| Power Consumption (3 V supply, 1 MSPS) | 4 mW max | mW |
| Analog Input Type | Pseudo Differential | |
| Full-Scale Input Span | VIN+ - VIN– = VREF | V |
| Integral Nonlinearity (INL) | ±0.5 LSB max | LSB |
| Differential Nonlinearity (DNL) | Guaranteed no missed codes to 10 bits, ±0.5 LSB max | LSB |
| Offset Error | ±1 LSB max | LSB |
| Gain Error | ±1 LSB max | LSB |
| Package Type | 8-Lead SOT-23 | |
| Operating Temperature Range | –40°C to +85°C | °C |
Key Features
- High throughput with low power consumption, achieving up to 1 MSPS with a 3 V supply and 4 mW max power consumption.
- Pseudo differential analog input with a wide input bandwidth.
- Flexible power and serial clock speed management, allowing the conversion rate to be determined by the serial clock.
- No pipeline delays due to the SAR architecture.
- High speed serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- Power-down mode with a maximum current of 1 μA.
- Low noise, wide bandwidth differential track-and-hold amplifier capable of handling input frequencies in excess of 1 MHz.
Applications
- Transducer Interface: Suitable for interfacing with various transducers due to its pseudo differential input and high accuracy.
- Battery-Powered Systems: Ideal for battery-powered systems due to its low power consumption.
- Data Acquisition Systems: Used in data acquisition systems requiring high throughput and low power.
- Portable Instrumentation: Suitable for portable instrumentation applications where power efficiency is crucial.
- Motor Control and Communications: Can be used in motor control and communication systems where high-speed data conversion is necessary.
Q & A
- What is the resolution of the AD7441BRT-R2?
The AD7441BRT-R2 has a resolution of 10 bits. - What is the maximum throughput rate of the AD7441BRT-R2?
The maximum throughput rate is up to 1 MSPS. - What is the power supply range for the AD7441BRT-R2?
The power supply range is from 2.7 V to 5.25 V. - How much power does the AD7441BRT-R2 consume at 1 MSPS with a 3 V supply?
The power consumption is 4 mW max at 1 MSPS with a 3 V supply. - What type of analog input does the AD7441BRT-R2 have?
The AD7441BRT-R2 features a pseudo differential analog input. - What is the package type of the AD7441BRT-R2?
The package type is an 8-Lead SOT-23. - What is the operating temperature range of the AD7441BRT-R2?
The operating temperature range is from –40°C to +85°C. - Does the AD7441BRT-R2 have pipeline delays?
No, the SAR architecture ensures there are no pipeline delays. - What interfaces is the AD7441BRT-R2 compatible with?
The AD7441BRT-R2 is compatible with SPI, QSPI, MICROWIRE, and DSP interfaces. - What is the maximum current in power-down mode?
The maximum current in power-down mode is 1 μA.
