Overview
The AD7475BRZ is a 12-bit, high-speed, low-power successive-approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates from a single 2.7 V to 5.25 V power supply and is capable of throughput rates up to 1 MSPS. It features a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies above 1 MHz. The AD7475BRZ is designed for applications requiring high speed and low power consumption, making it suitable for a variety of electronic systems.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Throughput Rate | Up to 1 MSPS |
| Power Supply | 2.7 V to 5.25 V |
| Power Consumption (3 V, 1 MSPS) | 1.5 mA |
| Power Consumption (5 V, 1 MSPS) | 2.1 mA |
| Analog Input Range | 0 V to REF IN (externally applied 2.5 V for AD7475) |
| Standby Current | 1 µA max |
| Package | 8-lead SOIC_N, 8-lead MSOP |
| Operating Temperature | -40°C to +85°C |
| Interface | SPI-/QSPI-/MICROWIRE-/DSP-compatible |
Key Features
- No pipeline delays, ensuring real-time data conversion.
- High-speed serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- Low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies above 1 MHz.
- Low power dissipation with standby mode current of 1 µA max.
- Available in 8-lead SOIC_N and 8-lead MSOP packages.
- Flexible power supply range from 2.7 V to 5.25 V.
Applications
- Battery-powered systems.
- Personal digital assistants.
- Medical instruments.
- Mobile communications.
- Instrumentation and control systems.
- Data acquisition systems.
- Optical sensors.
Q & A
- What is the resolution of the AD7475BRZ ADC?
The AD7475BRZ has a resolution of 12 bits. - What is the maximum throughput rate of the AD7475BRZ?
The maximum throughput rate is up to 1 MSPS. - What is the power supply range for the AD7475BRZ?
The power supply range is from 2.7 V to 5.25 V. - How much current does the AD7475BRZ consume at 3 V and 1 MSPS?
The current consumption is 1.5 mA at 3 V and 1 MSPS. - What is the standby current of the AD7475BRZ?
The standby current is 1 µA max. - What types of packages are available for the AD7475BRZ?
The device is available in 8-lead SOIC_N and 8-lead MSOP packages. - Is the AD7475BRZ compatible with SPI and other serial interfaces?
Yes, it is compatible with SPI, QSPI, MICROWIRE, and DSP interfaces. - What is the operating temperature range of the AD7475BRZ?
The operating temperature range is -40°C to +85°C. - Does the AD7475BRZ have an on-board reference voltage?
No, the AD7475BRZ requires an externally applied reference voltage, typically 2.5 V. - What are some typical applications of the AD7475BRZ?
Typical applications include battery-powered systems, medical instruments, mobile communications, and data acquisition systems.
