1B21

08530-001 FEATURES Wide input range: 0 V to 1 V up to 0 V to 10 V High CMV isolation: 1500 V rms Programmable output ranges: 4mA to 20mA 0 to 20 mA Load resistance range: 0 to 1.35 kΩ maximum High accuracy Low offset tempco: ±300 nA/°C Low gain tempco: ±50 ppm/°C Low nonlinearity: ±0.02% High CMR: 90 dB minimum Small package: 0.7” × 2.1” × 0.35” Meets IEEE Standard 472: transient protection (SWC) APPLICATIONS Multichannel process control DAC—current loop interface Analog transmitters and controllers Remote data acquisition systems GENERAL DESCRIPTION The 1B21 is an isolated voltage-to-current converter that incorporates a unique circuit design utilizing transformer-based isolation and automated surface-mount manufacturing technology. It provides an unbeatable combination of versatility and performance in a compact plastic package. Designed for industrial applications, it is especially suited for harsh environments with extremely high common-mode interference. Functiona...