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| ZXRE4041 SOT23 MICROPOWER 1.225V VOLTAGE REFERENCE DESCRIPTION The ZXRE4041 is a bandgap circuit designed to achieve a precision micropower voltage reference of 1.225 volts. The device is available in the small outline SOT23 surface mount package which is ideal for applications where space saving is important. SOT23 tolerance is available to 0.5% C grade for precision applications. Excellent performance is maintained over the 30A to 12mA operating current FEATURES High performance alternative to LM4041 Small outline SOT23 SO8 and E-Line alternatives available 30A knee current 20ppm/C typical temperature coefficient Unconditionally stable 0.5%, 1%, 2% and 3% tolerance Contact Zetex marketing for availability of tighter tolerance devices range with a typical temperature coefficient of only 20ppm/C. The device has been designed to be highly tolerant of capacitive loads so maintaining excellent stability. This device offers a SOT23 pin for pin compatible alternative to LM4041 voltage references. SO8 and E-Line (TO92 style) packages can also be made available. APPLICATIONS Battery powered equipment Precision power supplies Portable instrumentation Portable communications devices Notebook and palmtop computers Data acquisition systems A/D and D/A converters Test equipment SCHEMATIC DIAGRAM VR APPLICATIONS CIRCUIT Gnd Low quiescent reference from a 1.5V battery source. ISSUE 2 - JULY 1999 1 ZXRE4041 ABSOLUTE MAXIMUM RATINGS Reverse Current Forward Current Operating temperature. Storage temperature. 30mA 10mA -40 to 85C -55 to 125C Power Dissipation (Tamb=25C) SOT23 330mW SO8 625mW E-Line 500mW ELECTRICAL CHARACTERISTICS TEST CONDITIONS (Unless otherwise stated) Tamb=25C SYMBOL PARAMETER CONDITIONS LIMITS MIN VR Reverse Breakdown Voltage I R =100A 1.214 1.208 1.196 1.183 TYP 1.225 1.225 1.225 1.225 MAX 1.226 1.232 1.244 1.257 30 0.03 I R(min) to I R(max) 20 12 75 C D E F V GRADE UNITS IR TC Recommended Operating Current Range Average Reverse Breakdown Voltage Temperature Coefficient Reverse Breakdown Voltage change with Current Reverse Dynamic Impedance mA ppm/C VR IR IR=30A to 1mA IR=1mA to 12mA I R =1mA f =100Hz I AC =0.1 I R IR=8A to 100A f=10Hz to 10kHz 5 1 10 0.2 0.6 mV mV Note: V R(max) - V R(min) is the maximum deviation in reference voltage measured over the full operating temperature range. Note: C grade SOT23 only. Reverse Current (mA) TC VR x T m ax T m in m ax min VR VR x 1000000 4 3 TA=-40c TO +85C 2 1 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 Reverse Voltage (V) Reverse Characteristics ISSUE 2 - JULY 1999 2 EN Wideband Noise Voltage 60 ZR I MIN Minimum Knee Current A V (rms) ZXRE4041 TYPICAL CHARACTERISTICS 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.1 1 10 100 1000 1.25 1.24 Reference Voltage (V) Forward Voltage (V) 1.23 1.22 1.21 1.20 1.19 -40 -20 0 20 40 60 80 Forward Current (mA) Temperature (C) Forward Characteristics Temperature Drift 14 12 100 Slope Resistance ( ) 10 8 6 4 2 0 0.001 -40C 25C 85C Slope Resistance ( ) 10 1 20mA 1mA 100A 0.01 0.1 1 10 100 0.1 0.01 0.1 1 10 100 Reference Current (mA) Frequency (kHz) Slope Resistance v Current 1.5 1.0 0.5 10A 20mA Slope Resistance v Frequency 80 70 Wideband Noise ( V) 80 120 140 VR (V) 60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 0 Iin ( A) 10 0 0 40 Time (s) Reference Current (A) Transient Response Noise Voltage ISSUE 2 - JULY 1999 3 ZXRE4041 Ordering Information Device ZXRE4041CF ZXRE4041DF ZXRE4041EF ZXRE4041FF ZXRE4041DN8 ZXRE4041EN8 ZXRE4041FN8 ZXRE4041DR ZXRE4041ER ZXRE4041FR TOL% 0.5 1 2 3 1 2 3 1 2 3 Grade C D E F D E F D E F Package SOT23 SOT23 SOT23 SOT23 SO8 SO8 SO8 E-Line E-Line E-Line Partmarking 10J 10H 10G 10F ZXRE4041D ZXRE4041E ZXRE4041F ZXRE4041D ZXRE4041E ZXRE4041F Contact Zetex marketing for availability of these package options NOTE: for tape and reel options add suffix TA to the part number eg ZXRE4041DFTA Connection Diagrams SOT23 Package Suffix - F SO8 Package Suffix - N8 E-Line, 3 pin,Rev Package Suffix - R Top View - Pin 1 floating or connected to pin 2 Top View Bottom View - Pin 3 floating or connected to pin 1 Zetex plc. Fields New Road, Chadderton, Oldham, OL9-8NP, United Kingdom. Telephone: (44)161 622 4422 (Sales), (44)161 622 4444 (General Enquiries) Fax: (44)161 622 4420 Zetex GmbH Streitfeldstrae 19 D-81673 Munchen Germany Telefon: (49) 89 45 49 49 0 Fax: (49) 89 45 49 49 49 Zetex Inc. 47 Mall Drive, Unit 4 Commack NY 11725 USA Telephone: (516) 543-7100 Fax: (516) 864-7630 Zetex (Asia) Ltd. 3510 Metroplaza, Tower 2 Hing Fong Road, Kwai Fong, Hong Kong Telephone:(852) 26100 611 Fax: (852) 24250 494 These are supported by agents and distributors in major countries world-wide Zetex plc 1999 This publication is issued to provide outline information only which (unless agreed by the Company in writing) may not be used, applied or reproduced for any purpose or form part of any order or contract or be regarded as a representation relating to the products or services concerned. The Company reserves the right to alter without notice the specification, design, price or conditions of supply of any product or service. ISSUE 2 - JULY 1999 4 Internet:http://www.zetex.com |
Price & Availability of ZXRE4041FR
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