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TC820CLW Scheda tecnica(PDF) 3 Page - TelCom Semiconductor, Inc |
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TC820CLW Scheda tecnica(HTML) 3 Page - TelCom Semiconductor, Inc |
3 / 22 page 3-151 TELCOM SEMICONDUCTOR, INC. 7 6 5 4 3 1 2 8 ELECTRICAL CHARACTERISTICS: VS = 9V, TA = 25°C, unless otherwise specified. Symbol Parameter Test Conditions Min Typ Max Units Zero Input Reading VIN = 0V – 000 ±000 +000 Digital Full Scale = 400 mV Reading RE Roll-Over Error VIN = ±390mV – 1 ±0.2 +1 Counts Full-Scale = 400mV NL Nonlinearity (Maximum Full-Scale = 400mV – 1 ±0.2 +1 Count Deviation From Best Straight Line Fit) Ratiometric Reading VIN = VREF, TC820 1999 1999/2000 2000 Digital CMRR Common-Mode Rejection VCM = ±1V, VIN = 0V — 50 — µV/V Ratio Full-Scale = 400mV (VFS = 200 mV) VCMR Common-Mode Voltage Input High, Input Low VSS + 1.5 — VDD– 1 V Range eN Noise (P-P Value Not VIN = 0V — 15 — µV Exceeded 95% of Time) Full-Scale = 400mV IIN Input Leakage Current VIN = 0V TA = 25°C— 1 10 pA 0 °C ≤ TA ≤ +70°C— 20 — – 40 °C ≤ TA ≤ +85°C — 100 — VCOM Analog Common Voltage 25 k Ω Between Common and VDD (VSS – VCOM) 3.15 3.3 3.45 V VCTC Common Voltage 25 k Ω Between Common and VDD Temperature Coefficient 0 °C ≤ TA ≤ +70°C — 35 50 ppm/ °C – 40 °C ≤ TA ≤ +85°C— 50 — TCZS Zero Reading Drift VIN = 0V 0 °C ≤ TA ≤ +70°C — 0.2 — µV/°C – 40 °C ≤ TA ≤ +85°C1 TCFS Scale Factor VIN = 399mV Temperature Coefficient 0 °C ≤ TA ≤ +70°C — 1 5 ppm/ °C – 40 °C ≤ TA ≤ +85°C— 5 — Ext Ref = 0 ppm/ °C IS Supply Current VIN = 0V — 1 1.5 mA Peak-to-Peak Backplane VS = 9V 4.25 4.7 5.3 V Drive Voltage VDISP = DGND ABSOLUTE MAXIMUM RATINGS* Supply Voltage (VDD to GND) .....................................15V Analog Input Voltage (Either Input) (Note 1) .... VDD to VSS Reference Input Voltage (Either Input) ............. VDD to VSS Digital Inputs ............................................... VDD to DGND VDISP ............................................. VDD to (DGND – 0.3V) Package Power Dissipation (TA ≤ 70°C) (Note 2) 40-Pin Plastic DIP ............................................. 1.23W 44-Pin PLCC ..................................................... 1.23W 44-Pin Plastic Flat Package .............................. 1.00W Operating Temperature Range "C" Devices ............................................ 0 °C to +70°C "E" Devices ....................................... – 40 °C to +85°C Storage Temperature Range ................ – 65 °C to +150°C Lead Temperature (Soldering, 10 sec) ................... 300 °C *Static-sensitive devices. Unused devices should be stored in conductive material to protect against static discharge and static fields. 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 operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. NOTES: 1. Input voltages may exceed the supply voltages provided that input current is limited to ±100µA. Current above this value may result in invalid display readings but will not destroy the device if limited to ±1mA. 2. Dissipation ratings assume device is mounted with all leads soldered to printed circuit board. TC820 3-3/4 DIGIT A/D CONVERTER WITH FREQUENCY AND LOGIC PROBE |
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