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TC9400 Datenblatt(PDF) 9 Page - TelCom Semiconductor, Inc |
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TC9400 Datenblatt(HTML) 9 Page - TelCom Semiconductor, Inc |
9 / 13 page 3-295 TELCOM SEMICONDUCTOR, INC. 7 6 5 4 3 1 2 8 VOLTAGE-TO-FREQUENCY/ FREQUENCY-TO-VOLTAGE CONVERTERS TC9400 TC9401 TC9402 V + = 8V TO 15V (FIXED) 14 8 10k Ω 10k Ω fOUT fOUT/2 10 14 9 100 k Ω 0V–10V IIN 180 pF 820 pF 3 5 12 11 7 0.01 µF 2 k Ω 8.2 k Ω 6 2 V2 R2 0.9 R1 0.2 R1 RIN 1M Ω IIN VREF TC9400 OFFSET ADJUST GAIN ADJUST V + 10V 12V 15V 1 M Ω 1.4 M Ω 2 M Ω R1 R2 10k Ω 14k Ω 20k Ω fOUT = IIN × 1 (V2–V7) (CREF) (VIN–V2) (V + –V2) + IIN= RIN (0.9 R1+0.2 R1) 5V 0.01 µF VIN Figure 4 . Fixed Voltage — Single Supply Operation Figure 5. Voltage to Frequency R1 910k R4 100k 1 µF D2 5.1VZ R2 910k R5 91k Rp OFFSET 20k 100k D1 5.1VZ 0.1 µ 100k CREF CINT 1.2k* +12 to +15V 10k 10k OUTPUT FREQUENCY DIGITAL GROUND ANALOG GROUND INPUT VOLTAGE (0 to 10V) R3 GAIN TC9400 11 12 5 3 2 6 7 1 4 14 9 10 8 THRESHOLD DETECT AMP OUT CREF IIN ZERO ADJUST GND VREF IBIAS OUTPUT COMMON fOUT/2 fOUT VDD VSS COMPONENT SELECTION F/S FREQ. 1 kHz 10 kHz 100 kHz CREF 2200pF 180pF 27pF CINT 4700pF 470pF 75pF |
Ähnliche Teilenummer - TC9400 |
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Ähnliche Beschreibung - TC9400 |
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