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| PRECISION SHUNT VOLTAGE REFERENCE PRELIMINARY - April 13, 1998 SC4040 TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com DESCRIPTION The SC4040 is a two terminal precision voltage reference with thermal stability guaranteed over temperature. The SC4040 has a typical dynamic output impedance of 0.25. Active output circuitry provides a very sharp turn on characteristic - the minimum operating current is 60A, with a maximum of 20mA. Available with five voltage tolerances (0.1%, 0.2%, 0.5%, 1.0% and 2.0%) and three package outlines (SOT-23, SO-8 and TO-92), this part allows the designer the opportunity to select the optimum combination of cost and performance for their application. FEATURES * Trimmed bandgap design (0.2%) * Wide operating current range 60A to 20mA * Low dynamic impedance (0.25) * Available in SOT-23, TO-92 and SO-8 APPLICATIONS * Cellular telephones * Portable computers * Instrumentation * Automotive PIN CONFIGURATIONS SOT-23-3 Lead (Top View) BLOCK DIAGRAM Cathode SO-8 Lead (Top View) Anode SYMBOL DIAGRAM Cathode TO-92 (Top View) Anode 1 (c) 1998 SEMTECH CORP. 652 MITCHELL ROAD NEWBURY PARK CA 91320 PRECISION SHUNT VOLTAGE REFERENCE PRELIMINARY - April 13, 1998 SC4040 ABSOLUTE MAXIMUM RATINGS Parameter Reverse Current Operating Temperature Range Operating Junction Temperature Range Storage Temperature Range Lead Temperature (Soldering) 10 seconds ESD Rating TA TJ TSTG TLEAD ESD Symbol Maximum 60 A to 20 -40 to +85 -40 to +150 -65 to +150 260 2 Units mA C C C C kV ORDERING INFORMATION PACKAGE 0.1% SOT-23-3L SO-8 (1) (1)(2) (1) TOLERANCE 0.2% SC4040BSK SC4040BS SC4040BZ 0.5% SC4040CSK SC4040CS SC4040CZ 1.0% SC4040DSK SC4040DS SC4040DZ 2.0% SC4040ESK SC4040ES SC4040EZ T/R Quantity SC4040ASK SC4040AS SC4040AZ 3K 2.5K TR=3K, TA=2K TO-92 Notes: (1) Add suffix `TR' for Tape & Reel. (2) Add suffix `TA' for Tape Ammo. 2 (c) 1998 SEMTECH CORP. 652 MITCHELL ROAD NEWBURY PARK CA 91320 PRECISION SHUNT VOLTAGE REFERENCE PRELIMINARY - April 13, 1998 SC4040 ELECTRICAL CHARACTERISTICS TA = 25C unless otherwise specified. Parameter Reverse Breakdown Voltage Symbol VZ IZ = 100A Condition TA = 25C TA = -40 to +85C Minimum Operating Current Reverse Breakdown Voltage Temperature Coefficient Ratio of Change in VZ to Change in IZ IZ(min) VZ T VZ IZ SC4040A (0.1%) MIN TYP MAX SC4040B (0.2%) MIN 2.495 2.479 TYP 2.500 2.500 60 MAX 2.505 2.521 80 UNITS V V A 2.4975 2.5000 2.5025 2.481 2.500 60 2.519 80 IZ = 10mA IZ = 1mA IZ = 100A IZ(min) < IZ < 1mA TA = -40 to +85C TA = 25C TA = -40 to +85C 100 0.8 1.0 6.0 8.0 0.25 35 0.8 0.25 35 100 0.8 1.0 6.0 8.0 0.8 ppm/C mV mV mV mV V 1mA < IZ < 12mA TA = 25C TA = -40 to +85C Reverse Dynamic Impedance Wideband Noise (RMS) Long Term Stability of Reverse Breakdown Voltage ZR eN V Z IZ = 1mA, f = 120 Hz, IAC = 0.1 IZ IZ = 100A 10Hz < f < 10kHz t = 1000 hours T = 25C 0.1C IZ = 100A 120 120 ppm TA = 25C unless otherwise specified. Parameter Reverse Breakdown Voltage Symbol VZ IZ = 100A Condition TA = 25C TA = -40 to +85C Minimum Operating Current Reverse Breakdown Voltage Temperature Coefficient Ratio of Change in VZ to Change in IZ IZ(min) VZ T SC4040C (0.5%) MIN 2.488 2.471 TYP 2.500 2.500 60 IZ = 10mA IZ = 1mA IZ = 100A IZ(min) < IZ < 1mA TA = -40 to +85C TA = 25C TA = -40 to +85C 1mA < IZ < 12mA TA = 25C TA = -40 to +85C MAX 2.512 2.529 80 100 0.8 1.0 6.0 8.0 0.25 20 0.9 SC4040D (1.0%) MIN 2.475 2.451 TYP 2.500 2.500 60 MAX 2.525 2.549 80 150 1.0 1.2 8.0 10.0 0.25 35 1.1 UNITS V V A ppm/C mV mV mV mV V VZ IZ Reverse Dynamic Impedance Wideband Noise (RMS) Long Term Stability of Reverse Breakdown Voltage ZR eN VZ IZ = 1mA, f = 120 Hz, IAC = 0.1 IZ IZ = 100A 10Hz < f < 10kHz t = 1000 hours T = 25C 0.1C IZ = 100A 120 120 ppm 3 (c) 1998 SEMTECH CORP. 652 MITCHELL ROAD NEWBURY PARK CA 91320 PRECISION SHUNT VOLTAGE REFERENCE PRELIMINARY - April 13, 1998 SC4040 ELECTRICAL CHARACTERISTICS TA = 25C unless otherwise specified. Parameter Reverse Breakdown Voltage Symbol VZ IZ = 100A Condition TA = 25C TA = -40 to +85C Minimum Operating Current Reverse Breakdown Voltage Temperature Coefficient IZ(min) VZ T VZ IZ SC4040E (2.0%) MIN 2.450 2.426 TYP 2.500 2.500 60 IZ = 10mA IZ = 1mA IZ = 100A IZ(min) < IZ < 1mA TA = -40 to +85C TA = 25C TA = -40 to +85C 1mA < IZ < 12mA TA = 25C TA = -40 to +85C MAX 2.550 2.574 80 150 1.0 1.2 8.0 10.0 0.25 35 1.1 UNITS V V A ppm/C mV mV mV mV V Ratio of Change in VZ to Change in IZ Reverse Dynamic Impedance Wideband Noise (RMS) Long Term Stability of Reverse Breakdown Voltage ZR eN VZ IZ = 1mA, f = 120 Hz, IAC = 0.1 IZ IZ = 100A 10Hz < f < 10kHz t = 1000 hours T = 25C 0.1C IZ = 100A 120 ppm 4 (c) 1998 SEMTECH CORP. 652 MITCHELL ROAD NEWBURY PARK CA 91320 PRECISION SHUNT VOLTAGE REFERENCE PRELIMINARY - April 13, 1998 SC4040 OUTLINE DRAWING SOT-23 LAND PATTERN SOT-23 Note 1 : Grid placement courtyard is 8 x 8 elements (4mm x 4mm) in accordance with the international grid detailed in IEC Publication 97. 5 (c) 1998 SEMTECH CORP. 652 MITCHELL ROAD NEWBURY PARK CA 91320 PRECISION SHUNT VOLTAGE REFERENCE PRELIMINARY - April 13, 1998 SC4040 OUTLINE DRAWING SO-8 LAND PATTERN SO-8 OUTLINE DRAWING TO-92 6 (c) 1998 SEMTECH CORP. 652 MITCHELL ROAD NEWBURY PARK CA 91320 |
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