AD7276BUJZ-500RL7

The AD7276BUJZ-500RL7 is a 12-bit successive approximation register (SAR) analog-to-digital converter from Analog Devices. It samples a single-ended input at rates up to 3 MSPS while operating from a 2.35 V to 3.6 V supply. The converter uses the supply as its reference, simplifying the design, and includes a track-and-hold amplifier with a 1:1 S/H-to-ADC ratio.

The SAR architecture provides a deterministic conversion with no pipeline delays, allowing direct control of sampling timing. The serial interface is compatible with SPI and DSP systems. The datasheet specifies a power consumption of 12.6 mW at 3 MSPS with a 3 V supply, a wide input bandwidth, and 70 dB SNR at 1 MHz input frequency. A power-down mode reduces current to 0.1 μA typical.

The AD7276BUJZ-500RL7 is housed in a 6-lead TSOT package, referenced as SOT-23-6 Thin/TSOT-23-6 for surface-mount assembly. The device is rated for -40°C to +125°C operation, which allows use in industrial environments. The compact package and low power footprint are suited for space-constrained PCBs.

With its single-ended input, 12-bit resolution, and 3 MSPS throughput, the converter can be used in data acquisition, instrumentation, and control applications that require a small, low-power ADC. The SPI/DSP-compatible interface streamlines connection to microcontrollers and DSPs.