TC826CBU Microchip Technology, TC826CBU Datasheet
TC826CBU
Specifications of TC826CBU
Related parts for TC826CBU
TC826CBU Summary of contents
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... Non-Multiplexed LCD Drive for Maximum Viewing Angle Device Selection Table Part Number Package Temperature Range TC826CBU 64-Pin PQFP © 2005 Microchip Technology Inc. General Description In many applications, a graphical display is preferred over a digital display. Knowing a process or system operates, for example, within design limits is more valu- able than a direct system variable read out ...
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... BAR Typical Application 1MΩ 61 BAR/DOT 1MΩ 62 HOLD 1MΩ 63 TEST Component Full Scale R 2MΩ INT C 0.033mf INT C 1mf REF C AZ 0.068mf DS21477C-page 2 64-Pin PQFP TC826CBU INT R C INT BUF AZ INT TC826 REF ANALOG BAR COMMON -IN +IN BAR 40 POL -IN +IN 200mV 20mV ...
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... Backplane drive is in phase with segment drive for ‘off’ segment and 180°C out of phase for ‘on’ segment. Frequency is 10 times conversion rate. 4: Logic input pins 58, 59, and 60 should be connected through 1MΩ series resistors to V © 2005 Microchip Technology Inc. *Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These ...
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... LCD Segment driver: Bar 20. 38 BAR 21 LCD Segment driver: Bar 21. 39 BAR 22 LCD Segment driver: Bar 22. 40 BAR 23 LCD Segment driver: Bar 23. DS21477C-page 4 Description and analog common can be used to supply the TC826 voltage reference DD ) connection. OSC ) connection. OSC © 2005 Microchip Technology Inc. ...
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... Input logic signal. Sets TC826 to BAR Display mode. BAR 0 to 40, plus OR flash on and off. The POL- LCD driver is on. Pulled high internally to inactive state. Connect to V 1MΩ series resistor to activate connection. © 2005 Microchip Technology Inc. Description through 1MΩ resistor for DOT format. SS through 1MΩ series resistor for HOLD mode operation. SS ...
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... Signal Integration Time (Fixed Reference Voltage Integration Time RI (Variable Integrator R – Comparator – Phase Control Switch Driver Polarity Control ≈ 1 FULL SCALE ≈ 1 FULL SCALE Variable Reference Integrate Time ∫ INT (t) Control Clock Logic Counter Display © 2005 Microchip Technology Inc. ...
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... The TC826 converter improves the conventional dual slope conversion technique by incorporating an auto- zero phase. This phase eliminates zero scale offset errors and drift. A potentiometer is not required to obtain a zero output for zero input. © 2005 Microchip Technology Inc. TC826 FIGURE 3-2: NORMAL MODE REJECTION OF DUAL ...
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... The integration time period is: EQUATION 4-1: Where: F OSC R INT C REF Integrator – – Buffer DE+ AZ INT V DE- DD INT 1μA ≈ V – 2. ≈ OSC = External Clock Frequency INT CMPTR To Digital Section – Comparator ≈ 6.3V – + © 2005 Microchip Technology Inc. ...
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... Clock (FSYS) Internal Data Latch Update Signal 19 Counts Minimum © 2005 Microchip Technology Inc. 4.1.3 REFERENCE INTEGRATE CYCLE The final phase is reference integrate or de-integrate. -IN is internally connected to analog common and +IN is connected with the correct polarity to cause the inte- grator output to return to zero. The time required for the output to return to zero is proportional to the input sig- nal and is between 0 and 40 counts ...
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... Table 4-2. 2.50V Reference ) INT is easily calculated for a INT V Full Scale Voltage( – – Full Scale Analog Input FS ) INT + without saturating ⎛ ⎞ V 640 INT ⎝ ⎠ OSC INT INT = Integrator Swing INT = Oscillator Frequency OSC ) AZ ) REF © 2005 Microchip Technology Inc. ...
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... LCD segment. This insures long LCD display life. The polarity segment drive, -POL, is ‘ON’ for negative analog inputs. If +IN and -IN are reversed, this indicator would reverse. The TC826 transfer function is shown in Figure 4-4. © 2005 Microchip Technology Inc. FIGURE 4-4: 40 20mV Full Scale ≈ ...
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... OSC1 OSC2 0.1μf External Oscillator Power Oscillator Supply 0.1μ DISPLAY OPTION FORMATS 2. Input = 5% of Full Scale Off Off Off Off Off On Off Input = 5% of Full Scale Off Off Off Off Off On Off Off On Off © 2005 Microchip Technology Inc. ...
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... Norwalk, CT 06855 Tel: 203/838-7509 • Part No. 5040: 50 segment circular display with 3-digit numeric scale. • Part No. 5020: 50 segment linear display. © 2005 Microchip Technology Inc. TC826 4.17 LCD Backplane Driver (BP, Pin 15) Additional drive electronics are not required to interface the TC826 to an LCD display. The TC826 has an on- chip backplane generator and driver ...
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... W Reel Size 250 13 in 7° MAX. .041 (1.03) .031 (0.78) .010 (0.25) TYP. .120 (3.05) .100 (2.55) .130 (3.30) MAX. Dimensions: mm (inches) © 2005 Microchip Technology Inc. ...
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... NOTES: © 2005 Microchip Technology Inc. TC826 DS21477C-page 15 ...
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... The Microchip Worldwide Site (www.microchip.com) Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using. New Customer Notification System Register on our web site (www.microchip.com/cn) to receive the most current information on our products. DS21477C-page 16 © 2005 Microchip Technology Inc. ...
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... PowerMate, PowerTool, rfLAB, rfPICDEM, Select Mode, Smart Serial, SmartTel, Total Endurance and WiperLock are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...
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... Fax: 886-3-572-6459 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 © 2005 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-399 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...