ADR392
ADR392 is Low Noise Precision Voltage References manufactured by Analog Devices.
- Part of the ADR391 comparator family.
- Part of the ADR391 comparator family.
Data Sheet
Micropower, Low Noise Precision Voltage References with Shutdown ADR391/ADR392/ADR395
Features pact 5-lead TSOT package Low temperature coefficient
B grade: 9 ppm/°C A grade: 25 ppm/°C Initial accuracy B grade: ±4 m V maximum (ADR391) 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 140 μA maximum in operation No external capacitor required Output current: 5 m A Automotive grade available 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 ADR391/ADR392/ADR395 are precision 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 ADR391/ 5 GND
VIN 2
ADR392/ ADR395
VOUT (SENSE) 3 (Not to Scale) 4 VOUT (FORCE)
Figure 1. 5-Lead TSOT (UJ Suffix)
00419-001
Table 1.
Model ADR391B ADR391A ADR392B ADR392A ADR395B ADR395A
Output Voltage (VO) 2.5 2.5 4.096 4.096 5.0 5.0
Temperature Coefficient (ppm/°C) 9 25 9 25 9 25
Accuracy (m V) ±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 battery-operated applications.
Rev. I
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