Overview
The AD7495ARZ 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, making it suitable for a variety of high-speed data acquisition applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Throughput Rate | Up to 1 MSPS |
| Power Supply | 2.7 V to 5.25 V |
| Package Type | 8-Lead SOIC or MSOP |
| Operating Temperature Range | -40°C to +85°C |
| Analog Input Range | 0 V to REF OUT (on-board 2.5 V reference for AD7495) |
| Current Consumption (3 V supply, 1 MSPS) | 2 mA |
| Current Consumption (5 V supply, 1 MSPS) | 2.6 mA |
| Standby Current | 1 µA max |
| Interface | SPI-/QSPI-/MICROWIRE-/DSP-compatible serial interface |
Key Features
- No pipeline delays, allowing for direct conversion without intermediate stages.
- On-chip 2.5 V reference for the AD7495 model.
- Low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies above 1 MHz.
- High-speed serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- Power-down options to reduce power consumption between conversions.
- Compact 8-lead SOIC or MSOP packages for space-saving designs.
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 AD7495ARZ ADC?
The AD7495ARZ has a resolution of 12 bits. - What is the maximum throughput rate of the AD7495ARZ?
The maximum throughput rate is up to 1 MSPS. - What is the power supply range for the AD7495ARZ?
The device operates from a single 2.7 V to 5.25 V power supply. - What types of packages are available for the AD7495ARZ?
The device is available in 8-lead SOIC or MSOP packages. - What is the operating temperature range for the AD7495ARZ?
The operating temperature range is -40°C to +85°C. - Does the AD7495ARZ have an on-board reference voltage?
Yes, the AD7495ARZ has an on-board 2.5 V reference voltage. - How much current does the AD7495ARZ consume at 3 V supply and 1 MSPS throughput rate?
The current consumption is 2 mA at 3 V supply and 1 MSPS throughput rate. - What is the standby current of the AD7495ARZ?
The standby current is 1 µA max. - What interfaces are supported by the AD7495ARZ?
The device supports SPI, QSPI, MICROWIRE, and DSP-compatible serial interfaces. - Are there any pipeline delays in the AD7495ARZ conversion process?
No, there are no pipeline delays associated with the device.
