STG1218 datasheet(10/29 Pages) STMICROELECTRONICS

10 / 29 page

Symbol

Parameters and conditions

Specific conditions

Min.

Typ.

Max.

Unit

VSEL step VDD to 0 V square

waveform

CSOFF

OFF channel capacitance

VSEL = 0 V for iS1 capacitance

VSEL = VDD for iS2 capacitance

VDD = 5 V, VSS = 0 V

VDD = 3.3 V, VSS = -12 V

VDD = 3.3 V, VSS = -8 V

CSON, CDON

ON channel capacitance

VSEL = 0 V for iS2 capacitance

VSEL = VDD for iS1 capacitance

VSEL = 0 V or VDD for D

capacitance

VDD = 5 V, VSS = 0 V

VDD = 3.3 V, VSS = -12 V

VDD = 3.3 V, VSS = -8 V

OIRR

OFF isolation

20log(VD/VS)

VSEL = 0 V and 50 Ω on iS1 for

iS1 test,

VSEL = VDD and 50 Ω on iS2 for

iS2 test,

RL = 50 Ω, CL = 5 pF,

VS = 1 Vrms, f = 1 MHz

For those cases with Vss = 0 V

a DC bias is added to AC signal

and set to VDD/2

VDD = 5 V, VSS = 0 V

-66

VDD = 3.3 V, VSS = -12 V

-66

VDD = 3.3 V, VSS = -8 V

-66

Xtalk

Crosstalk

20log(VSi/VSj)

VSEL = 0 V and 50 Ω on iS1 for

iS2 test,

VSEL = VDD and 50 Ω on iS2 for

iS1 test,

RL = 50 Ω, CL = 5 pF,

VS = 1 Vrms, f = 1 MHz

For those cases with Vss = 0 V

a DC bias is added to AC signal

and set to VDD/2

VDD = 5 V, VSS = 0 V

-66

VDD = 3.3 V, VSS = -12 V

-66

VDD = 3.3 V, VSS = -8 V

-66

-3 dB bandwidth

VSEL = 0 V for iS2 test,

VSEL = VDD for iS1 test,

RL = 50 Ω, CL = 5 pF,

VS = 0 dBm

For those cases with Vss = 0 V

a DC bias is added to AC signal

and set to VDD/2

VDD = 5 V, VSS = 0 V

150

200

MHz

VDD = 3.3 V, VSS = -12 V

150

200

VDD = 3.3 V, VSS = -8 V

150

200

STG1218

Electrical characteristics

DS13729 - Rev 3

page 10/29

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