Datenblatt-Suchmaschine für elektronische Bauteile |
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TC811CPL Datenblatt(PDF) 3 Page - TelCom Semiconductor, Inc |
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TC811CPL Datenblatt(HTML) 3 Page - TelCom Semiconductor, Inc |
3 / 12 page 3-139 TELCOM SEMICONDUCTOR, INC. 7 6 5 4 3 1 2 8 ELECTRICAL CHARACTERISTICS: VSupply = 9V, fCLOCK = 32.768kHz, and TA = 25°C, unless otherwise noted. Symbol Parameter Test Conditions Min Typ Max Unit TCSF Scale Factor Temperature VIN = 199mV, 0°C ≤ TA ≤ 70°C — 1 5 ppm/ °C Coefficient (ext. VREF tc = 0ppm) Analog Common Section VCTC Analog Common 250K Ω from V+ to Analog Common — — — — Temperature Coefficient 0 °C ≤ TA ≤ 70°C— — — — "C" Commercial — 35 75 ppm/ °C "I" Industrial — 35 100 ppm/ °C VC Analog Common Voltage 250k Ω from V+ to Analog Common 2.7 3.05 3.35 Volts Hold Pin Input Section Input Resistance Pin 1 to Pin 37 — 70 — k Ω VIL Input Low Voltage Pin 1 — — Test +1.5 V VIH Input High Voltage Pin 1 V+ – 1.5 — — V LCD Drive Section3 VSD LCD Segment Drive Voltage V+ to V– = 9V 4 5 6 VP-P VSD LCD Backplane Drive Voltage V+ to V– = 9V 4 5 6 VP-P Power Supply ISUP Power Supply Current VIN = 0V, V+ to V– = 9V — — — — fOSC = 16kHz — 70 100 µA fOSC = 48kHz — 90 125 µA NOTES: 1. Input voltages may exceed supply voltages when input current is limited to 100 µA. 2. Dissipation rating assumes device is mounted with all leads soldered to a printed circuit board. 3. Backplane drive is in phase with the segment drive for "segment off" 180 ° out of phase for "segment on." Frequency is 20 times the conversion rate. Average DC component is less than 50mV. V+ NORMAL PIN CONFIGURATION 10's 100's 1000's 100's TC811CPL (40-PIN PDIP) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 1's D2 C2 B2 A2 F2 E2 D3 B3 F3 E3 AB4 POL (MINUS SIGN) D1 C1 B1 A1 F1 G1 E1 10's OSC TEST V ANALOG COMMON CAZ OSC2 HLDR + REF V – REF C + REF C – REF V + IN V – IN VBUFF VINT V – G C A G BP (BACKPLANE) 3 3 3 2 1 NC = NO INTERNAL CONNECTION 27 28 29 30 31 32 33 7 4 3 2 1 NC TC811CKW (PQFP) 12 13 14 15 17 18 G 44 43 42 41 39 38 40 16 37 36 35 34 19 20 21 22 26 8 25 9 24 10 23 11 5 6 C V TEST NC NC HLDR + NC OSC2 OSC1 2 3 A3 G3 BP POL AB4 E3 F3 B3 D1 C1 B1 PIN CONFIGURATIONS 3-1/2 DIGIT A/D CONVERTER WITH HOLD AND DIFFERENTIAL REFERENCE INPUTS TC811 |
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