Overview
The TPW3257 device is a high-bandwidth bus switch utilizing a charge pump to provide a low and flat ONstate resistance.
The TPW3257 can be used to multiplex and demultiplex up to 4 channels simultaneously in a 2:1 configuration. The /OE and S pins are used to control the chip from the bus controller.
The device has isolation during power off even when the signal exit on switch pin.
The VCC operating range is from 2.3 V to 3.6 V and the switch pins support 0 V to 5 V signal levels.
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Status
Production
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Rating
Industrial
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Channel
4
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Switch Config
2:1
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VDD(V)
2.3~3.6
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VEE(V)
N/A
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Input Range
1V to VDD
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BW(MHz)
400
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IQ(Typ.)(1 Channel)(μA)
1500 (max)
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Ron(Ω)
9
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Leakage Current(nA)
1000
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VIH(Min)(V)
1.7
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VIL(Max)(V)
0.7
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tON(ns)
8
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tOFF(ns)
8
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Latch up(mA)
600
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Package
QSOP16,SOP16,TSSOP16
