ZRA124F01TA

ZRA124 PRECISION 1.24 VOLT MICROPOWER VOLTAGE REFERENCE DEVICE DESCRIPTION FEATURES The ZRA124 uses a bandgap circuit design to achieve a precision micropower voltage reference of 1.24 volts. The device is available in a small outline surface mount packages, ideal for applications where space saving is important. • Typical TC 30ppm/°C The ZRA124 design provides a stable voltage without an external capacitor and is stable with capacitive loads. The ZRA124 is recommended for operation between 50␮A and 5mA and so is ideally suited to low power and battery powered applications. • Industrial temperature range Excellent performance is maintained to an absolute maximum of 25mA, however the rugged design and 20 volt processing allows the reference to withstand transient effects and currents up to 200mA. Superior switching capability allows the device to reach stable operating conditions in only a few microseconds. • Transient response, stable in less than 10␮s • Typical slope resistance 0.65⍀ • ⫾ 1% tolerance • Operating current 50␮A to 5mA • No stabilising capacitor required • Small SOT23 package APPLICATIONS SCHEMATIC DIAGRAM • Battery powered and portable equipment • Metering and measurement systems • Instrumentation • Precision power supplies • Test equipment • Data acquisition systems TOP VIEW Pin 1 floating or connected to pin 2 ORDERING INFORMATION DEVICE TOL % REEL SIZE TAPE WIDTH REEL QUANTITY PART MARK 1 7” 8mm 3,000 12C ZRA124F01TA ISSUE 3 - JUNE 2004 1 SEMICONDUCTORS ZRA124 ABSOLUTE MAXIMUM RATING Reverse current 25mA Forward current 25mA Operating temperature -40 to 85°C Storage temperature -55 to 125°C Power dissipation (Tamb = 25°C) SOT23 330mW ELECTRICAL CHARACTERISTICS TEST CONDITIONS (Unless otherwise stated) Tamb=25°C SYMBOL PARAMETER CONDITIONS LIMITS MIN. TYP. VR Reverse breakdown voltage I MIN Minimum operating current IR Recomended operating current TC (1) Average reverse breakdown voltage temp. co. I R = 150␮A 1.228 UNITS MAX. 1.24 1.252 30 50 ␮A 5 mA 0.05 I R (min) to I R (max) TOL % 1 V 30 90 0.65 2 ⍀ 1 ⍀ R S (2) Slope resistance ZR Reverse dynamic impedance I R = 1mA f = 100Hz 1 AC = 0.1IR 0.5 EN Wideband noise voltage I R = 150␮A f = 100Hz to 10kHz 40 ppm/°C ␮V(rms) NOTES: (1) TC = V R Change x 1000000 V R x Temperature Change (2) RS = V R Change (I R (min) to I R (max)) I R (max) − I R (min) ISSUE 3 - JUNE 2004 SEMICONDUCTORS 2 ZRA124 TYPICAL CHARACTERISTICS ISSUE 3 - JUNE 2004 3 SEMICONDUCTORS ZRA124 PACKAGE OUTLINE Controlling dimensions are in millimeters. Approximate conversions are given in inches PACKAGE DIMENSIONS Millimeters DIM Inches Millimeters DIM Inches Min Max Min Max Min Max Max Max A 2.67 3.05 0.105 0.120 H 0.33 0.51 0.013 0.020 B 1.20 1.40 0.047 0.055 K 0.01 0.10 0.0004 0.004 C ᎏ 1.10 ᎏ 0.043 L 2.10 2.50 0.083 0.0985 D 0.37 0.53 0.015 0.021 M 0.45 0.64 0.018 0.025 F 0.085 0.15 0.0034 0.0059 G 1.90 NOM 0.075 NOM N 0.95 NOM 0.0375 NOM ᎏ ᎏ ᎏ © Zetex Semiconductors plc 2004 Europe Americas Asia Pacific Corporate Headquarters Zetex GmbH Streitfeldstraße 19 D-81673 München Germany Zetex Inc 700 Veterans Memorial Hwy Hauppauge, NY 11788 USA Zetex (Asia) Ltd 3701-04 Metroplaza Tower 1 Hing Fong Road, Kwai Fong Hong Kong Zetex plc Lansdowne Road, Chadderton Oldham, OL9 9TY United Kingdom Telefon: (49) 89 45 49 49 0 Fax: (49) 89 45 49 49 49 europe.sales@zetex.com Telephone: (1) 631 360 2222 Fax: (1) 631 360 8222 usa.sales@zetex.com Telephone: (852) 26100 611 Fax: (852) 24250 494 asia.sales@zetex.com Telephone (44) 161 622 4444 Fax: (44) 161 622 4446 hq@zetex.com These offices are supported by agents and distributors in major countries world-wide. 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. For the latest product information, log on to www.zetex.com ISSUE 3 - JUNE 2004 SEMICONDUCTORS 4