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1 General description

The NX3DV3899 is a dual double-pole double-throw analog data-switch suitable for use as an analog or digital

multiplexer/demultiplexer. It consists of four switches, each with two independent input/outputs (nY0 and nY1)

and a common input/output (nZ). The two digital inputs (1S and 2S) are used to select the switch position.

Schmitt trigger action at the select input (nS) makes the circuit tolerant to slower input rise and fall times across

the entire VCC range from 1.4 V to 4.3 V.

A low input voltage threshold allows pin nS to be driven by lower level logic signals without a significant

increase in supply current ICC. This makes it possible for the NX3DV3899 to switch 4.3 V signals with a 1.8 V

digital controller, eliminating the need for logic level translation. The NX3DV3899 allows signals with amplitude

up to VCC to be transmitted from nZ to nY0 or nY1; or from nY0 or nY1 to nZ.

2 Features and benefits

? Wide supply voltage range from 1.4 V to 4.3 V

? Very low ON resistance (peak):

– 7.2 Ω (typical) at VCC = 1.4 V

– 5.4 Ω (typical) at VCC = 1.65 V

– 2.9 Ω (typical) at VCC = 2.5 V

– 2.4 Ω (typical) at VCC = 3.0 V

– 2.3 Ω (typical) at VCC = 3.6 V

– 2.2 Ω (typical) at VCC = 4.3 V

? Break-before-make switching

? High noise immunity

? ESD protection:

– HBM JESD22-A114F Class 2A exceeds 2000 V (all pins)

– HBM JESD22-A114F Class 3A exceeds 5000 V (I/O pins to GND)

– MM JESD22-A115-A exceeds 200 V

– CDM AEC-Q100-011 revision B exceeds 1000 V

? CMOS low-power consumption

? Latch-up performance exceeds 100 mA per JESD 78B Class II Level A

? 1.8 V control logic at VCC = 3.6 V

? Control input accepts voltages above supply voltage

? Very low supply current, even when input is below VCC

? High current handling capability (350 mA continuous current under 3.3 V supply)

? Specified from -40 °C to +85 °C and from -40 °C to +125 °C

3 Applications

? Data switch

? Cell phone