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| PRELIMINARY INFORMATION EVALUATION KIT AVAILABLE 1 TC1028 LINEAR BUILDING BLOCK - QUAD LOW POWER COMPARATOR AND VOLTAGE REFERENCE WITH SHUTDOWN FEATURES s s s s s Combines Two Comparators and a Voltage Reference into a Single Package Optimized for Single Supply Operation Small Package ...................................... 8-Pin MSOP (Occupies Half the Space of an 8-Pin SOIC) Ultra Low Input Bias Current ...... Less than 100pA Low Quiescent Current ........................... 10A Max 2 3 4 5 6 7 GENERAL DESCRIPTION The TC1028 is a mixed-function device combining two general purpose, complimentary output comparators and a voltage reference in a single 8-pin package. This increased integration allows the user to replace two packages, saving space, lowering supply current, and increasing system performance. The TC1028 operates down to VDD = 1.8V and requires only 10A of supply current. A Shutdown input (SHDN) disables the comparators, placing their outputs in a high-impedance state. The reference stays active in Shutdown Mode. Standby power consumption is typically 1A. The TC1028 is designed specifically for operation from a single supply, however, operation from dual supplies is also possible, and the power supply current drain is independent of the magnitude of the power supply voltage. Packaged in an 8-pin MSOP or 8-pin DIP, the TC1028 is ideal for applications requiring low power level detection. APPLICATIONS s s s s s s Power Supply Circuits Embedded Systems Instrumentation Portable Equipment Consumer Products Replacements for Discrete Components PIN CONFIGURATIONS ORDERING INFORMATION Part No. 8 7 8-Pin MSOP OUTA VSS INA + Package 8-Pin SOIC 8-Pin Plastic DIP 8-Pin MSOP 8-Pin SOIC 8-Pin Plastic DIP 8-Pin MSOP Temp. Range - 40C to +85C 0C to +70C 0C to +70C - 40C to +85C - 40C to +85C - 40C to +85C 1 2 4 OUTB VDD REF SHDN TC1028COA TC1028CPA TC1028CUA TC1028EOA TC1028EPA TC1028EUA 3 TC1028CUA 6 INB- TC1028EUA 5 8-Pin Plastic DIP OUTA VSS INA+ INB- 1 2 3 4 8 7 OUTB VDD REF SHDN TC43EV Evaluation Kit for Linear Building Block Family FUNCTIONAL BLOCK DIAGRAM TC1028CPA TC1028EPA 6 5 OUTA OUTB TC1028 8-Pin SOIC OUTA VSS INA + VSS + A - -B+ VDD 1 2 3 4 TC1028COA TC1028EOA 8 7 6 5 OUTB VDD REF SHDN INA+ Voltage Reference INB- REF INB- SHDN V- TC1028-01 11/15/96 8 3-315 TELCOM SEMICONDUCTOR, INC. |
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