NC7SBU3157_05 datasheet(5/11 Pages) FAIRCHILD

Part #	NC7SBU3157

Description	Low Voltage SPDT Analog Switch with 2V Undershoot Protection

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

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Capacitance (Note 12)

Note 12: TA 25qC, f 1 MHz, Capacitance is characterized but not tested in production.

Undershoot Characteristic (Note 13)

Note 13: This test is intended to characterize the device’s protective capabilities by maintaining output signal integrity during an input transient voltage undershoot event.

FIGURE 1.

Device Test Conditions

Transient

Input Voltage (VIN) Waveform

Symbol

Parameter

Typ

Max

Units

Conditions

Figure

Number

CIN

Control Pin Input Capacitance

2.3

pF

VCC 0V

CIO-B

B Port Off Capacitance

6.5

pF

VCC 5.0V

Figure 8

CIOA-ON

A Port Capacitance When Switch Is Enabled

18.5

pF

VCC 5.0V

Figure 9

Symbol

Parameter

Min

Typ

Max

Units

Conditions

VOUTU

Output Voltage During Undershoot

2.5

VOH - 0.3

V

Figure 1

Parameter

Value

Units

VIN

see Waveform

V

R1 R2

100K

:

VTRI

7.0

V

VCC

5.5

V

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