AD5522 Datasheet | Analog Devices

FEATURES Quad parametric measurement unit (PMU) FV, FI, FN (high-Z), MV, MI functions 4 programmable current ranges (internal RSENSE) ±5 μA, ±20 μA, ±200 μA, and ±2 m A 1 programmable current range up to ±80 m A (external RSENSE) 22.5 V FV range with asymmetrical operation Integrated 16-bit DACs provide programmable levels Gain and offset correction on chip Low capacitance outputs suited to relayless systems On-chip parators per channel FI voltage clamps and FV current clamps Guard drive amplifier System PMU connections Programmable temperature shutdown SPI- and LVDS-patible interfaces pact 80-lead TQFP with exposed pad (top or bottom) APPLICATIONS Automated test equipment (ATE) Per-pin parametric measurement unit Continuity and leakage testing Device power supply Instrumentation Source measure unit (SMU) Precision measurement FUNCTIONAL BLOCK DIAGRAM AGND AVSS AVDD DVCC DGND CP[0:3] SYS_FORCE SYS_SENSE VREF REFGND MEASOUT[0:3] AGND X1 REG M REG C REG ×2 X2 REG 16-BIT CLH DAC ×2 OFFSET DAC ×4 CLH EN SW3 X1 REG M REG ×6 16-BIT 16 FIN DAC X2 REG - FIN + AGND SW1 + FORCE INTERNAL RANGE SELECT (±5µA, ±20µA, ±200µA, ±2m A) 60Ω 1kΩ C REG...