Overview
The AD7266BCP is a high-performance, dual 12-bit, 3-channel Successive Approximation Register (SAR) Analog-to-Digital Converter (ADC) produced by Analog Devices Inc. This device is designed to operate from a single power supply ranging from 2.7 V to 5.25 V and features throughput rates of up to 2 Million Samples Per Second (MSPS). The AD7266BCP is notable for its low power consumption, high speed, and flexible power/throughput rate management, making it suitable for a variety of applications requiring precise and efficient analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Number of Channels | 3 (per ADC), 6 total (3 single-ended or 3 differential pairs per ADC) |
| Throughput Rate | Up to 2 MSPS |
| Power Supply Range | 2.7 V to 5.25 V |
| Power Consumption | 12 mW max at 1.5 MSPS with 3 V supplies, 30 mW max at 2 MSPS with 5 V supplies |
| Input Range | 0 V to VREF or 2VREF with straight binary or two's complement output coding |
| On-chip Reference | 2.5 V, can be overdriven with an external reference (100 mV to 2.5 V) |
| Operating Temperature Range | -40°C to +125°C |
| Package Types | 32-lead Lead Frame Chip Scale Package (LFCSP) and Thin Quad Flat Package (TQFP) |
| Interface | SPI/QSPI/MICROWIRE/DSP compatible high-speed serial interface |
| Shutdown Mode | 1 µA max |
Key Features
- Dual 12-bit SAR ADCs with simultaneous sampling and conversion of two channels.
- High throughput rate of up to 2 MSPS with low power consumption.
- Flexible power/throughput rate management, allowing power reduction during sleep modes.
- No pipeline delays; accurate control of the sampling instant via CS input.
- Low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies over 10 MHz.
- On-chip 2.5 V reference with the option to use an external reference.
- High-speed serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- Shutdown mode with a maximum current of 1 µA.
Applications
The AD7266BCP is suitable for various applications requiring high-speed and low-power analog-to-digital conversion, such as:
- Industrial automation and control systems.
- Medical devices, including diagnostic equipment and patient monitoring systems.
- Aerospace and defense systems where high reliability and performance are critical.
- Automotive systems, including engine control units and safety systems.
- Data acquisition systems in scientific and research environments.
Q & A
- What is the resolution of the AD7266BCP ADC?
The AD7266BCP has a resolution of 12 bits. - How many channels does the AD7266BCP support?
The device supports 3 channels per ADC, with a total of 6 channels (3 single-ended or 3 differential pairs per ADC). - What is the maximum throughput rate of the AD7266BCP?
The maximum throughput rate is up to 2 Million Samples Per Second (MSPS). - What is the power supply range for the AD7266BCP?
The power supply range is from 2.7 V to 5.25 V. - How much power does the AD7266BCP consume at different throughput rates?
The device consumes up to 12 mW at 1.5 MSPS with 3 V supplies and up to 30 mW at 2 MSPS with 5 V supplies. - What is the operating temperature range of the AD7266BCP?
The operating temperature range is -40°C to +125°C. - What types of packages are available for the AD7266BCP?
The device is available in 32-lead Lead Frame Chip Scale Package (LFCSP) and Thin Quad Flat Package (TQFP). - Does the AD7266BCP have an on-chip reference voltage?
Yes, it has an on-chip 2.5 V reference that can be overdriven with an external reference (100 mV to 2.5 V). - What is the interface type of the AD7266BCP?
The device features a high-speed serial interface compatible with SPI, QSPI, MICROWIRE, and DSP. - What is the current consumption in shutdown mode?
The current consumption in shutdown mode is 1 µA maximum.
