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| TC04A TC04B TC05A TC05B LOW POWER, BANDGAP VOLTAGE REFERENCES FEATURES s s Temperature Coefficient ......................... 50ppm/C Wide Operating Current Range TC04 ............................................ 15A to 20mA TC05 ............................................ 20A to 20mA Dynamic Impedance ............................................ 1 Output Tolerance ........................................ Typ. 2% Output Voltage Option TC04 ...........................................................1.25V TC05 ............................................................. 2.5V TO-92 Plastic Package 8-Pin Plastic Narrow Body SOIC Package 1 GENERAL DESCRIPTION The TC04 (1.25V output) and TC05 (2.5V output) bipolar, two-terminal, bandgap voltage references offer precision performance without premium price. These devices do not require thin-film resistors, greatly lowering manufacturing complexity and cost. A 50ppm/C output temperature coefficient and 15A to 20mA operating current range make these devices attractive for multimeter, data acquisition converter, and telecommunication voltage references. PIN CONFIGURATIONS 2 3 4 5 6 s s s s s APPLICATIONS s s s s s ADC and DAC Reference Current Source Generation Threshold Detectors Power Supplies Multimeters TO-92-2 Plastic (BOTTOM VIEW) 8-Pin Plastic SOIC NC 1 NC 2 NC 3 1 2 -IN 4 8 NC 7 NC 6 +IN 5 NC NC = NO INTERNAL CONNECTION TC04ACZM TC04BCZM TC05ACZM TC05BCZM TC04ACOA TC04BCOA TC05ACOA TC05BCOA ORDERING INFORMATION Part No. TC04ACOA TC04ACZM TC04BCOA TC04BCZM TC05ACOA TC05ACZM TC05BCOA TC05BCZM Package 8-Pin SOIC TO-92-2 8-Pin SOIC TO-92-2 8-Pin SOIC TO-92-2 8-Pin SOIC TO-92-2 Temperature Range 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C 0C to +70C Voltage 1.25V 1.25V 1.25V 1.25V 2.5V 2.5V 2.5V 2.5V Max. Temperature Coefficient 50ppm/C 50ppm/C 100ppm/C 100ppm/C 50ppm/C 50ppm/C 100ppm/C 100ppm/C 7 8 TC04/5-6 8/23/96 TELCOM SEMICONDUCTOR, INC. 3-5 TC04A TC04B TC05A TC05B ABSOLUTE MAXIMUM RATINGS* Forward Current .................................................... +10mA Reverse Current .................................................... +30mA Storage Temperature Range ................ - 65C to +150C Operating Temperature Range TO-92 Package ..................................... 0C to +70C Surface Mount Package ........................ 0C to +70C LOW POWER, BANDGAP VOLTAGE REFERENCES Lead Temperature (Soldering, 10 sec) TO-92 Package .............................................. +300C Surface Mount Package ................................. +300C Power Dissipation ............................. Limited by Forward/ Reverse Current *Functional operation above the absolute maximum stress ratings is not implied. ELECTRICAL CHARACTERISTICS: TA = +25C, unless otherwise specified. Symbol VBR Parameter Reverse Breakdown Voltage: TC04 TC05 Reverse Breakdown Voltage Change: TC04 TC05 Test Conditions IR = 100A Min 1.24 2.45 Typ 1.26 2.50 10 0.25 10 0.25 0.003 0.003 -- -- Max 1.28 2.60 20 1 20 1 0.005 0.01 20 20 Unit V DVBR TC IR Temperature Coefficient: TC04A/TC05A TC04B/TC05B Reverse Current: TC04 TC05 15A < IR < 20mA 20A < IR < 1mA 20A < IR < 20mA 25A < IR < 1mA IR = 100A -- -- -- -- -- -- 0.015 0.020 mV %/C mA 3-6 TELCOM SEMICONDUCTOR, INC. LOW POWER, BANDGAP VOLTAGE REFERENCES TC04A TC04B TC05A TC05B 1 RESPONSE TIME TEST CIRCUIT 36 k OUTPUT INPUT 2 TC04 TC05 3 TYPICAL APPLICATIONS 10V Reference Battery Powered 1.25V Reference Precision Current Source 50 k 3 +15V +9V TC04 4 1 F 6 + 7 6 VOUT = 10V 360 k 1.25V TC05 2.5V 2 TC911 - 4 +15V 81 k 2 - 7 180 k TC04 TC911 3 + 4 5 R SET 60 k 0.1 F I OUT = 1.25V R SET 6 7 8 TELCOM SEMICONDUCTOR, INC. 3-7 TC04A TC04B TC05A TC05B TYPICAL CHARACTERISTICS TC04: Output Voltage vs Reverse Current 1000 OUTPUT VOLTAGE CHANGE (mV) REVERSE CURRENT (A) LOW POWER, BANDGAP VOLTAGE REFERENCES TC04: Output Voltage Change vs Reverse Current 10 FORWARD VOLTAGE (V) 1.2 TA = +25C 8 1.0 0.8 0.6 0.4 0.2 0 0.01 TC04: Forward Voltage vs Forward Current TA = +25C TA = +25C 100 6 10 4 1 2 0 0.01 0.1 0 0.25 0.5 0.75 1.0 1.25 OUTPUT VOLTAGE (V) 1.5 0.1 1 10 REVERSE CURRENT (mA) 100 0.1 1 10 FORWARD CURRENT (mA) 100 TC04 Response Time 10.0 TA = +25C 5.0 INPUT VOLTAGE (V) TC05: Output Voltage vs Reverse Current 1000 REVERSE CURRENT (A) TC05: Output Voltage Change vs Reverse Current 10 OUTPUT VOLTAGE CHANGE (mV) TA = +25C 100 8 TA = +25C 0 1.5 1.0 0.5 0 0 200 400 TIME (sec) 600 OUTPUT 6 10 4 1 2 0.1 0 0.5 1.0 1.5 2.0 2.5 OUTPUT VOLTAGE (V) TC05 Response Time TA = +25C 3.0 0 0.01 0.1 1 10 REVERSE CURRENT (mA) 100 TC05: Forward Voltage vs Forward Current 1.2 10 TA = +25C FORWARD VOLTAGE (V) 1.0 0.8 0.6 0.4 0.2 0 0.01 VOLTAGE (V) 5 0 3 2 1 0 INPUT OUTPUT 0.1 1 10 FORWARD CURRENT (mA) 100 0 200 400 TIME (sec) 600 3-8 TELCOM SEMICONDUCTOR, INC. |
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