RH1021-5 Precision 5V Reference DESCRIPTIONABSOLUTE MAXIMUM RATINGS(Note 9) The RH1021-5 is a precision 5V reference with ultralow Input Voltage ...40V drift and noise, extremely good long-term stability and Input/Output Voltage Differential ..35V almost total immunity to input voltage variations. The ref- Output to Ground Voltage erence output will source and sink up to 10mA. Unique (Shunt Mode Current Limit) ..10V circuit design makes the RH1021-5 the first IC reference Trim Pin to Ground Voltage to offer ultralow drift without the use of high power Positive .. Equal to VOUT on-chip heaters. Negative ..–20V Output Short-Circuit Duration The wafer lots are processed to Linear Technology’s VIN = 35V ..10 sec in-house Class S flow to yield circuits usable in stringent VIN ≤ 20V ... Indefinite military applications. Operating Temperature Range ... –55°C to 125°C All registered trademarks and trademarks are the property of their respective owners. Maximum Junction Temperature .. 150°C Storage Temperature Range .. –65°C to 150°C Lead Temperature (Soldering, 10 sec) ...300°C BURN-IN CIRCUITS 8 1 7 1 10 20V 2 9 20V 2 RH1021-5 6 3 8 –20V 4 7 3 5 4 5 6 –20V PIN CONFIGURATION TOP VIEW TOP VIEW NC* 8 NC* 1 10 NC* NC* 1 7 NC* VIN 2 9 NC* VIN 2 6 VOUT NC* 3 8 VOUT GND 4 7 TRIM NC* 3 5 TRIM 4 NC 5 6 NC GND W PACKAGE H PACKAGE 10-LEAD CERPAC 8-LEAD TO-5 METAL CAN *CONNECTED INTERNALLY, *CONNECTED INTERNALLY, DO NOT CONNECT EXTERNAL DO NOT CONNECT EXTERNAL CIRCUITRY TO THESE PINS. CIRCUITRY TO THESE PINS. Rev F 1 Document Outline Description Absolute Maximum Ratings Burn-In Circuits Pin Configuration Order Information Table 1: Electrical Characteristics Table 1A: Electrical Characteristics Table 2: Electrical Test Requirements Total Dose Bias Circuit Revision History Typical Performance Characteristics