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TC7126 データシート(PDF) 5 Page - Microchip Technology |
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TC7126 データシート(HTML) 5 Page - Microchip Technology |
5 / 22 page © 2002 Microchip Technology Inc. DS21458B-page 5 TC7126/A 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings* Supply Voltage (V+ to V-) ....................................... 15V Analog Input Voltage (either Input) (Note 1) ... V+ to V- Reference Input Voltage (either Input) ............ V+ to V- Clock Input ................................................... Test to V+ Package Power Dissipation (TA ≤ 70°C) (Note 2): 44-Pin PQFP............................................... 1.00W 40-Pin PLCC ............................................... 1.23W 44-Pin PDIP ................................................ 1.23W Operating Temperature Range: C (Commercial) Devices .................. 0°C to +70°C I (Industrial) Devices .................... -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. TC7126/A ELECTRICAL SPECIFICATIONS Electrical Characteristics: VS =+9V, fCLK – 16kHz, and TA = +25°C, unless otherwise noted. Symbol Parameter Min Typ Max Unit Test Conditions Input ZIR Zero Input Reading -000.0 ±000.0 +000.0 Digital Reading VIN =0V Full Scale = 200mV ZRD Zero Reading Drift — 0.2 1 µV/°C VIN =0V, 0°C ≤ TA ≤ +70°C Ratiometric Reading 999 999/1000 1000 Digital Reading VIN =VREF,VREF =100mV NL Linearity Error -1 ±0.2 1 Count Full Scale = 200mV or 2V Max Deviation From Best Fit Straight Line Rollover Error -1 ±0.2 1 Count VIN-= VIN+ ≈ 200mV eN Noise — 15 — µVP-P VIN = 0V, Full Scale = 200mV IL Input Leakage Current — 1 10 pA VIN =0V CMRR Common Mode Rejection Ratio — 50 — µV/V VCM =±1V, VIN =0V Full Scale = 200mV Scale Factor Temperature Coefficient —1 5 ppm/°C VIN =199mV,0°C ≤ TA ≤ +70°C Ext. Ref. Temp Coeff. = 0ppm/°C Analog Common VCTC Analog Common Temperature Coefficient — — — — 250k Ω Between Common and V+ —— — — 0°C ≤ TA ≤ +70°C ("C" Devices) — 80 — ppm/°C TC7126 — 35 75 ppm/°C TC7126A — 35 100 ppm/°C -25°C ≤ T A ≤ +85°C ("I" Device) (TC7126A) VC Analog Common Voltage 2.7 3.05 3.35 V 250k Ω Between Common and V+ Note 1: Input voltages may exceed the supply voltages, provided the input current is limited to ±100 µA. 2: Dissipation rating assumes device is mounted with all leads soldered to printed circuit board. 3: Refer to “Differential Input” discussion. 4: Backplane drive is in phase with segment drive for “OFF” segment, 180° out of phase for “ON” segment. Frequency is 20 times conversion rate. Average DC component is less than 50mV. 5: See “Typical Application”. 6: During Auto-Zero phase, current is 10-20 µA higher. A 48kHz ocillator increases current by 8µA (Typical). Common current is not included. |
同様の部品番号 - TC7126 |
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同様の説明 - TC7126 |
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