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TC7109CKW Datasheet(PDF) 4 Page - Microchip Technology |
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TC7109CKW Datasheet(HTML) 4 Page - Microchip Technology |
4 / 32 page TC7109/A DS21456D-page 4 2002-2012 Microchip Technology Inc. 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings* Positive Supply Voltage (GND to V+) ..................+6.2V Negative Supply Voltage (GND to V-) .....................-9V Analog Input Voltage (Low to High) (Note 1).... V+ to V- Reference Input Voltage: (Low to High) (Note 1) ............................. V+ to V- Digital Input Voltage: (Pins 2-27) (Note 2) ...........................GND – 0.3V Power Dissipation, TA < 70°C (Note 3) CERDIP ......................................................2.29W Plastic DIP ..................................................1.23W PLCC ..........................................................1.23W PQFP ..........................................................1.00W Operating Temperature Range Plastic Package (C) ......................... 0°C to +70°C Ceramic Package (I) ..................... -25°C to +85°C Storage Temperature Range ..............-65°C to +150°C *Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operation sections of the specifications is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. TC7109/TC7109A ELECTRICAL SPECIFICATIONS Electrical Characteristics: All parameters with V+ = +5V, V- = -5V, GND = 0V, TA = +25°C, unless otherwise indicated. Symbol Parameter Min Typ Max Unit Test Conditions Analog Overload Recovery Time (TC7109A) — 0 1 Measurement Cycle Zero Input Reading -00008 ±00008 +00008 Octal Reading VIN = 0V; Full Scale = 409.6mV Ratio Metric Reading 37778 37778 40008 40008 Octal Reading VIN = VREF VREF = 204.8mV NL Non-Linearity (Max Deviation from Best Straight Line Fit) -1 ±0.2 +1 Count Full Scale = 409.6mV to 2.048V Over Full Operating Temperature Range Rollover Error (Difference in Reading for Equal Positive and Inputs near (Full Scale) -1 ±0.02 +1 Count Full Scale = 409.6mV to 2.048V Over Full Operating Temperature Range CMRR Input Common Mode Rejection Ratio —50 — V/V VCM ±1V, VIN = 0V Full Scale = 409.6mV VCMR Common Mode Voltage Range V- +1.5 — V+ -1.5 V Input High, Input Low and Common Pins eN Noise (P-P Value Not Exceeded 95% of Time) —15 — VV IN = 0V, Full Scale = 409.6mV IIN Leakage Current at Input — 1 10 pA VIN, All Packages: +25°C — 20 100 pA C Device: 0°C T A +70°C — 100 250 pA I Device: -25°C T A +85°C TCZS Zero Reading Drift — 0.2 1 V/°C VIN = 0V Note 1: Input voltages may exceed supply voltages if input current is limited to ±100 A. 2: Connecting any digital inputs or outputs to voltages greater than V+ or less than GND may cause destructive device latch-up. Therefore, it is recommended that inputs from sources other than the same power supply should not be applied to the TC7109A before its power supply is established. In multiple supply systems, the supply to the device should be activated first. 3: This limit refers to that of the package and will not occur during normal operation. |
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