Based on this product's specifications, here are some alternatives and similar models
Precision Voltage-to-Current Converter IC Texas Instruments XTR110KP PDIP-16
Summary description:
The Texas Instruments XTR110KP is a precision voltage-to-current converter integrated circuit in a PDIP-16 package. Designed for industrial signal transmission, it converts input voltage into a proportional current output for 4–20 mA loops and remote sensor interfacing. The device suits process control, instrumentation, and long-distance analog signalling where stable current sourcing is required.