AD7612BSTZ

The AD7612BSTZ is a 16-bit charge redistribution successive approximation register (SAR) analog-to-digital converter (ADC) fabricated on Analog Devices, Inc.'s iCMOS high voltage process. This device is designed for high-speed data acquisition applications, offering a maximum throughput of 750 kSPS in warp mode. It features multiple, software-programmable input ranges including 5 V, 10 V, ±5 V, and ±10 V, providing flexibility for various signal conditioning needs.

Key electrical specifications include an Integral Non-Linearity (INL) of ±0.75 LSB typical and ±1.5 LSB maximum, ensuring high accuracy. The Signal-to-Noise Ratio (SNR) is 92 dB minimum at 5 V and 94 dB typical at ±10 V, while Total Harmonic Distortion (THD) is typically -107 dB. The AD7612BSTZ incorporates a 5 V internal reference with a typical drift of 3 ppm/°C and features no pipeline delay due to its SAR architecture.

This ADC supports both parallel (16- or 8-bit bus) and serial interfaces, compatible with SPI, QSPI, MICROWIRE, and DSP systems, operating at 5 V or 3.3 V. It is available in Pb-free 48-lead LQFP and LFCSP (7 mm × 7 mm) packages, suitable for surface mounting. The device operates across a temperature range of -40°C to +85°C, making it suitable for demanding environments.

Applications for the AD7612BSTZ include process control, medical instruments, high-speed data acquisition, digital signal processing, instrumentation, spectrum analysis, and automated test equipment (ATE). Its combination of resolution, speed, and programmable input ranges makes it a versatile choice for precision measurement systems.