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TC7106A 数据表(PDF) 5 Page - TelCom Semiconductor, Inc |
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TC7106A 数据表(HTML) 5 Page - TelCom Semiconductor, Inc |
5 / 19 page 3-187 TELCOM SEMICONDUCTOR, INC. 7 6 5 4 3 1 2 8 PIN DESCRIPTION Pin No. Pin No. 40-Pin PDIP 40-Pin PDIP (Normal) (Reverse) Symbol Description 1 (40) V+ Positive supply voltage. 2 (39) D1 Activates the D section of the units display. 3 (38) C1 Activates the C section of the units display. 4 (37) B1 Activates the B section of the units display. 5 (36) A1 Activates the A section of the units display. 6 (35) F1 Activates the F section of the units display. 7 (34) G1 Activates the G section of the units display. 8 (33) E1 Activates the E section of the units display. 9 (32) D2 Activates the D section of the tens display. 10 (31) C2 Activates the C section of the tens display. 11 (30) B2 Activates the B section of the tens display. 12 (29) A2 Activates the A section of the tens display. 13 (28) F2 Activates the F section of the tens display. 14 (27) E2 Activates the E section of the tens display. 15 (26) D3 Activates the D section of the hundreds display. 16 (25) B3 Activates the B section of the hundreds display. 17 (24) F3 Activates the F section of the hundreds display. 18 (23) E3 Activates the E section of the hundreds display. 19 (22) AB4 Activates both halves of the 1 in the thousands display. 20 (21) POL Activates the negative polarity display. 21 (20) BP LCD Backplane drive output (TC7106A). Digital ground (TC7107A). 22 (19) G3 Activates the G section of the hundreds display. 23 (18) A3 Activates the A section of the hundreds display. 24 (17) C3 Activates the C section of the hundreds display. 25 (16) G2 Activates the G section of the tens display. 26 (15) V– Negative power supply voltage. 27 (14) VINT Integrator output. Connection point for integration capacitor. See INTEGRATING CAPACITOR section for more details 28 (13) VBUFF Integration resistor connection. Use a 47k Ω resistor for a 200mV full- scale range and a 470k Ω resistor for 2V full-scale range. 29 (12) CAZ The size of the auto-zero capacitor influences system noise. Use a 0.47 µF capacitor for 200mV full scale, and a 0.047µF capacitor for 2V full scale. See Paragraph on AUTO-ZERO CAPACITOR for more details. 30 (11) V –IN The analog LOW input is connected to this pin. 31 (10) V + IN The analog HIGH input signal is connected to this pin. 32 (9) ANALOG This pin is primarily used to set the analog common-mode voltage for battery operation or in systems where the input signal is referenced to the power supply. It also acts as a reference voltage source. See paragraph on ANALOG COMMON for more details. 33 (8) C–REF See pin 34. COMMON GND TC7106 TC7106A TC7107 TC7107A 3-1/2 DIGIT A/D CONVERTERS |
类似零件编号 - TC7106A |
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类似说明 - TC7106A |
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