AD2S1210WDSTZRL7

Overview

The AD2S1210WDSTZRL7 is a complete monolithic resolver-to-digital converter (RDC) with an integrated programmable sinusoidal oscillator. It provides 10-bit to 16-bit resolution angular position and velocity data via parallel or serial interfaces. The device accepts differential sine/cosine inputs of 3.15 V p-p ± 27% at frequencies between 2 kHz and 20 kHz. Operating on a single 5 V supply, it supports logic voltages from 2.3 V to 5.25 V and functions within a temperature range of −40°C to +125°C. It includes system fault detection and incremental encoder emulation outputs.

Feature Summary

• Integrated Type II tracking loop for continuous position output without conversion delay
• Programmable excitation frequency ranging from 2 kHz to 20 kHz
• Triple format position data access: 16-bit parallel port, 4-wire SPI, and A-quad-B encoder emulation
• ASIL B safety assessment certificate available for automotive applications

Applications

• DC and AC servo motor control
• Electric power steering systems
• Electric vehicles and integrated starter generators
• Automotive motion sensing and control

Procurement Notes

Verify the ASIL B safety assessment certificate availability through local Analog Devices sales offices. Confirm that the W-grade designation meets the required -40°C to +125°C operating temperature specifications for the target application environment.

Selection Notes

Select this component when a complete RDC solution with an onboard oscillator is required. Ensure the input signal amplitude falls within the 2.3 V p-p to 4.0 V p-p range. Verify that the CLKIN frequency supports the desired resolution and tracking rate requirements.

Part Context

This part belongs to the AD2S1210 family of variable resolution R/D converters. The WDSTZRL7 suffix indicates a specific package and reel packaging configuration for the W-grade variant, which is rated for extended industrial temperatures up to +125°C.

Replacement Considerations

Direct replacements include other AD2S1210 variants such as AD2S1210BSTZ or AD2S1210ASTZ, provided the temperature grade and interface requirements match the design constraints.