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MT8880CC-1 Datasheet(PDF) 11 Page - Mitel Networks Corporation |
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MT8880CC-1 Datasheet(HTML) 11 Page - Mitel Networks Corporation |
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11 / 18 page  ISO2-CMOS MT8880C/MT8880C-1 4-43 Figure 13 - Application Circuit (Single-Ended Input) Figure 14 - Test Circuit IN+ IN- GS VRef VSS OSC1 OSC2 TONE R/W CS VDD St/GT ESt D3 D2 D1 D0 IRQ/CP Φ2 RS0 DTMF/CP INPUT DTMF OUTPUT C1 R1 R2 X-tal C4 RL VDD C3 C2 R4 R3 To µP or µC Notes: R1, R2 = 100 k Ω 1% R3 = 374 Ω 1% R4 = 3.3 k Ω 10% RL = 10 k Ω (min.) C1 = 100 nF 5% C2 = 100 nF 5% C3 = 100 nF 10%* C4 = 10 nF 10% X-tal = 3.579545 MHz * Microprocessor based systems can inject undesirable noise into the supply rails. The performance of the MT8880 can be optimized by keeping noise on the supply rails to a minimum. The decoupling capacitor (C3) should be connected close to the device and ground loops should be avoided. MT8880C/C-1 TEST POINT MMD6150 (or equivalent) 5.0 VDC 2.4 k Ω 24 k Ω 130 pF MMD7000 (or equivalent) TEST POINT 5.0 VDC 3 k Ω 70 pF Test load for IRQ/CP pin Test load for D0-D3 pins |
Similar Part No. - MT8880CC-1 |
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Similar Description - MT8880CC-1 |
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