ADR390 Datasheet | Analog Devices

OBSOLETE 00419-001 Micropower, Low Noise Precision Voltage References with Shutdown ADR390 Features pact 5-lead TSOT packages Low temperature coefficient B grade: 9 ppm/°C A grade: 25 ppm/°C Initial accuracy B grade: ±4 m V maximum (ADR390) A grade: ±6 m V maximum Ultralow output noise: 5 μV p-p (0.1 Hz to 10 Hz) Low dropout: 300 m V Low supply current 3 μA maximum in shutdown 120 μA maximum in operation No external capacitor required Output current: 5 m A Wide temperature range: - 40°C to +125°C APPLICATIONS Battery-powered instrumentation Portable medical instrumentation Data acquisition systems Industrial process controls Automotive GENERAL DESCRIPTION The ADR390/ADR391/ADR392/ADR395 are precision 2.048 V, 2.5 V, 4.096 V, and 5 V band gap voltage references, respectively, featuring low power and high precision in a tiny footprint. Using patented temperature drift curvature correction techniques from Analog Devices, Inc., the ADR39x references achieve a low 9 ppm/°C of temperature drift in the TSOT package. PIN CONFIGURATION SHDN 1 ADR390/ ADR391/ 5 GND VIN 2 ADR392/ VOUT (SENSE) ADR395 (Not to Scale) 4 VOUT (FORCE) Figure 1. 5-Lead TSOT (UJ Suffix) Table 1. Model ADR390B ADR390A ADR391B ADR391A ADR392B ADR392A ADR395B ADR395A Output Voltage (VO) 2.048 2.048 2.5 2.5 4.096 4.096 5.0 5.0 Temperature Coefficient (ppm/°C) 9 25 9 25 9 25 9 25 Accuracy (m V) ±4 ±6 ±4 ±6 ±5 ±6 ±5 ±6 The ADR39x family of micropower, low dropout voltage references provides a stable output voltage from a minimum supply of 300 m V above the output. Their advanced design eliminates the need for external capacitors, which further reduces board space and system cost. The bination of low power operation, small size, and ease of use makes the ADR39x precision voltage references ideally suited for batteryoperated applications. Rev. H Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its...