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Mitel Networks Corporat...
Mitel Networks, Corp.
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| Part No. |
MT8885AE MT8885AP
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| OCR Text |
...v dd / (v dd -v tst )] r p = (r1r2) / (r1 + r2) t gta = (r p c1) in (v dd /v tst ) t gtp = (r1c1) in [v dd / (v dd -v tst )] r p = (r1r2) / (r1 + r2) a) decreasing tgtp; (tgtp < tgta) b) decreasing tgta; (tgtp > tgta) applications, le... |
| Description |
Integrated DTMFTransceiver with Power Down & Adaptive Micro Interface
Integrated DTMFTransceiver with Power Down & Adaptive Micro Interface 综合DTMFTransceiver与掉
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| File Size |
354.63K /
20 Page |
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it Online |
Download Datasheet
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Zarlink
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| Part No. |
MT8880C
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| OCR Text |
...n (VDD/VTSt) VDD C1 St/GT RP = (r1r2) / (R1 + R2)
R1 ESt
R2
a) decreasing tGTP; (tGTP < tGTA)
VDD
tGTP = (R1C1) In [VDD / (VDD-VTSt) tGTA = (RpC1) In (VDD/VTSt)
VDD St/GT ESt R1
C1 RP = (r1r2) / (R1 + R2) Vc VDD C1 St/G... |
| Description |
Integrated DTMF Transceiver
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| File Size |
747.14K /
22 Page |
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it Online |
Download Datasheet |
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MAXIM - Dallas Semiconductor
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| Part No. |
AN1872
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| OCR Text |
...T[R3(R1 + R2)] / [R3(R1 + R2) + r1r2]. VTRIPLO = VOUT[R3R2] / [R3(R1 + R2) + r1r2]. The typical VOUT for a comparator is VDD. Assuming a 2.5% duty cycle, and assuming that LBO trips the comparator on when battery voltage equals 3V, the resu... |
| Description |
Low-Battery Indicator Has Low Cost and High Efficiency
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| File Size |
198.66K /
2 Page |
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it Online |
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Zarlink
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| Part No. |
MT8870D-1 MT8870D
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| OCR Text |
... R2 tGTA=(R1C1)In(VDD/VTSt) RP=(r1r2)/(R1+R2)
B C D
Table 1. Functional Decode Table
L=LOGIC LOW, H=LOGIC HIGH, Z=HIGH IMPEDANCE X = DON`T CARE
recommended for most applications, leaving R to be selected by the designer. Different... |
| Description |
ISO2-CMOS
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| File Size |
627.43K /
27 Page |
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it Online |
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Price and Availability
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