74V2T66STR datasheet(7/14 Pages) STMICROELECTRONICS

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74V2T66

Electrical characteristics

7/14

Table 7. Capacitive characteristics

Symbol

Parameter

Test condition

Value

Unit

TA = 25°C

-40 to 85°C

-55 to 125°C

Min.

Typ.

Max.

Min.

Max.

Min.

Max.

CIN

Input capacitance

CI/O

Output capacitance

CPD

Power dissipation

capacitance(1)

3pF

CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current

consumption without load. (Refer to Test Circuit). Average operating current can be obtained by the following equation.

ICC(opr) = CPD x VCC x fIN + ICC/2(per switch)

Table 8. Analog switch characteristics (GND = 0V; TA = 25°C)

Symbol

Parameter

Test Condition

Value

Unit

VCC

(V)

VIN

(Vp-p)

Typ.

Sine wave distortion

(THD)

5.0(1)

fIN = 1 KHz RL = 10 KΩ,

CL = 50 pF

0.04

fMAX

Frequency Response

(Switch ON)

5.0(1)

Adjust fIN voltage to obtain 0 dBm at VOS.

Increase fIN Frequency until dB meter reads -3dB

RL = 50Ω, CL = 10 pF

180

MHz

Feedthrough

Attenuation

(Switch OFF)

5.0(1)

VIN is centered at VCC/2

Adjust fIN Voltage to obtained 0dBm at VIS

RL = 600Ω, CL = 50 pF, fIN = 1MHz sine wave

-60

Crosstalk

(Control Input to

Signal Output)

5.0(1)

RL = 600Ω, CL = 50 pF, fIN = 1MHz square wave

tr = tf = 2.0ns

Crosstalk Between

Switches

5.0(1)

RL = 600Ω, CL = 50 pF, fIN = 1MHz sine wave

-60

Voltage range is 5.0V

± 0.5V

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