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| TS822 2.5V MICROPOWER SHUNT VOLTAGE REFERENCE s 2.50V TYP. OUTPUT VOLTAGE s ULTRA LOW CURRENT CONSUMPTION: 40A TYP. s HIGH PRECISION @ 25C 2% (Standard version) 1% (A grade) s HIGH STABILITY WHEN USED WITH CAPACITICE LOAD s INDUSTRIAL TEMPERATURE RANGE: -40 to +85C s 100ppm/C MAXIMUM TEMPERATURE COEFFICIENT DESCRIPTION The TS822 is a low power shunt voltage reference providing a stable 2.5V output voltage over the industrial temperature range (-40 to +85C). Availabe in SOT23-3 surface mount package, it can be designed in applications where space saving is a critical issue. The low operating current is a key advantage for power restricted designs. In addition, the TS822 is very stable and can be used in a broad range of application conditions. APPLICATION Z TO-92 (Plastic Package) L SOT23-3L (Plastic Micropackage) PIN CONNECTIONS (top view) s s s s s Computers Instrumentation Battery chargers Switch Mode Power Supply Battery operated equipments ORDER CODE Precision TO92 SOT23-3 SOT23 Marking L223 L222 2% TS822IZ TS822IL 1% TS822AIZ TS822AIL Single temperature range: -40 to +85C Z = TO92 Plastic package LT = Tiny Package (SOT23-5) - only available in Tape & Reel (LT) March 2000 1/8 TS822 ABSOLUTE MAXIMUM RATINGS Symbol Ik If Pd Toper Tstd ESD Tlead Parameter Reverse Breakdown Current Forward Current Power Dissipation 1) SOT23-3 TO-92 Value 20 10 360 625 -40 to +85 -65 to +150 2 200 260 Unit mA mA mW C C kV V C Operating Free Air Temperature Range Storage Temperature Human Body Model (HBM) Machine Model (MM) Lead Temperature (soldering, 10 seconds) 1. Pd has been calculated with Tamb = 25C and Rthja = 200C/W for the TO92 package Rthja = 340C/W for the STO23-3L package OPERATING CONDITIONS Symbol Ikmin Ikmax Minimum Operating Current Maximum Operating Current Parameter Value 50 15 Unit A mA 2/8 TS822 ELECTRICAL CHARACTERISTICS TS822 (2% Precision) Tamb = 25C (unless otherwise specified) Symbol Vk Parameter Reverse Breakdown Voltage Test Condition Min. 2.45 -50 -66 Typ. 2.5 Max. 2.55 50 66 50 60 100 1 1.2 8 10 1 1.2 0.6 0.7 Unit V mV A ppm/C mV Ik = 100A Ik = 100A Reverse Breakdown Voltage Tolerange -40C < T < +85C T = 25C -40C < T < +85C Ik = 100A Ikmin < Ik < 1mA -40C < T < +85C 1mA < Ik < 15mA -40C < T < +85C Ik = Ikmin to 1mA -40C < T < +85C Ik = 1 to 15mA -40C < T < +85C Ik = 100A, t = 1000hrs Ik = 100A 10Hz < f < 10kHz Ikmin Minimum Operating Current 40 30 0.4 2.5 0.4 0.2 120 35 Vref/T Average Temperature Coefficient Vk/Ik Reverse Breakdown Voltage Change with Operating Current Range Rka Kvh En Reverse Static Impedance Long Term Stability Wide Band Noise ppm Vrms Note : Limits are 100% production tested at 25C. Limits over temperature are guaranteed through correlation and by design. ELECTRICAL CHARACTERISTICS TS822A (1% Precision) Tamb = 25C (unless otherwise specified) Symbol Parameter Reverse Breakdown Voltage Test Condition Min. 2.475 -25 -41 Typ. 2.5 Max. 2.525 25 41 50 60 100 1 1.2 8 10 1 1.2 0.6 0.7 Unit V mV A ppm/C mV Ik = 100A Vk Ik = 100A Reverse Breakdown Voltage Tolerange -40C < T < +85C T = 25C Ikmin Minimum Operating Current -40C < T < +85C Vref/T Average Temperature Coefficient Ik = 100A Ikmin < Ik < 1mA -40C < T < +85C Reverse Breakdown Voltage Change Vk/Ik with Operating Current Range 1mA < Ik < 15mA -40C < T < +85C Ik = Ikmin to 1mA -40C < T < +85C Rka Reverse Static Impedance Ik = 1mA to 15mA -40C < T < +85C Kvh Long Term Stability Ik = 100A, t = 1000hrs Ik = 100A En Wide Band Noise 10Hz < f < 10kHz 40 30 0.4 2.5 0.4 0.2 120 35 ppm Vrms Note : Limits are 100% production tested at 25C. Limits over temperature are guaranteed through correlation and by design. 3/8 TS822 Reference voltage versus cathode current 15 Cathode current (mA) Minimum operating current 3 2.5 Cathode voltage (V) 10 T=+25C 2 1.5 1 0.5 T=+85C T=-40C 5 0 -5 -0.5 0 0.5 1 1.5 2 2.5 Cathode voltage (V) 0 0 20 Cathode current (A) 40 Reference voltage versus Temperature Testcircuit 2.56 Cathode voltage (V) +2% +1% R Ik=(Vin-Vref)/R Vout=Vref 2.54 2.52 2.5 2.48 2.46 2.44 -40 -20 0 Vin -1% -2% 20 40 60 80 Temperature (C) Static impedance (Rka) versus temperature 0.2 Static impedance (Ohms) Noise voltage (nV/VHz) Noise voltage versus Frequency 1500 CL=100F CL=10F 1000 CL=1F 500 CL=100nF CL=0 0 0.15 0.1 0.05 0 -40 -20 0 20 40 Temperature (C) 60 80 0.1 1.0 10.0 100.0 Frequency (KHz) 1000.0 4/8 TS822 Pulse response for Ik=100A 5 Test circuit for pulse response at Ik=100A 25k ohm Ik=100A Input 0 2.5 Output 0 0 5 10 Time (s) 15 20 Pulse response for Ik=100A Detailed part 5V Input 5V Output Intput Pulse Generator Pulse response for Ik=100A Detailed part Input 0V Output 0V 0 0.5 1 Time (s) 1.5 2 0 1 2 3 Time (s) 4 2.5V 0V Output 0V 5 2.5V Pulse response for Ik=1mA 5V Test circuit for pulse response at Ik=1mA 2.5k ohm Ik=1mA Input Output Intput Pulse Generator 0V 2.5V 0V Output 0 1 2 3 4 5 Time (s) 5/8 TS822 Pulse response for Ik=1mA Detailed part 5V Input Pulse response for Ik=1mA Detailed part 5V Input 0V Output 0V 0 50 100 Time (ns) 150 200 2.5V 2.5V Output 0V 0V 0 0.2 0.4 0.6 Time (s) 0.8 1 6/8 TS822 PACKAGE MECHANICAL DATA 3 PINS - PLASTIC PACKAGE TO-92 Millimeters Dim. Min L B O1 C K O2 a 3.2 4.45 4.58 12.7 0.407 0.35 Typ. 1.27 3.7 5.00 5.03 0.5 Max. 4.2 5.2 5.33 0.508 Min. 0.126 0.1752 0.1803 0.5 0.016 0.0138 Inches Typ. 0.05 0.1457 0.1969 0.198 0.0197 Max. 0.1654 0.2047 0.2098 0.02 7/8 TS822 PACKAGE MECHANICAL DATA 3 PINS - TINY PACKAGE (SOT-23) E A e B e1 D S A1 L H c Millimeters Dim. Min. A B C D E F G H L M N O 0.85 0.65 1.20 2.80 0.95 1.9 2.1 0.38 0.3 0 0.3 0.09 Typ. Max. 1.1 0.95 1.4 3 1.05 2.05 2.5 0.48 0.6 0.1 0.65 0.17 Min. 33.4 25.6 47.2 110.2 37.4 74.8 82.6 14.9 11.8 0 11.8 2.5 Inches Typ. Max.> 43.3 37.4 55.1 118 41.3 80.7 98.4 18.8 23.6 3.9 25.6 6.7 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibil ity for the consequences of use of such information nor for any infring ement of patents or other righ ts of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change witho ut notice. This publ ication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life suppo rt devices or systems withou t express written approval of STMicroelectronics. (c) The ST logo is a registered trademark of STMicroelectronics (c) 2000 STMicroelectronics - Printed in Italy - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco Singapore - Spain - Sweden - Switzerland - United Kingdom (c) http://www. st.com 8/8 |
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