6 Parameter Measurement Information

CL(2)

RL

VIN

VCC

GND

1D or 2D VOUT1

1D or 2D

D

VCC

VIN

50

Ω

RL

CL

5 pF

tON

TEST

VCC

50

Ω

5 pF

tOFF

50%

tON

tOFF

50%

90%

90%

Logic

Input

(VSEL or VOE)

1.8 V

Switch

Output

(VOUT1 or VOUT2)

0

CL(2)

RL

VOH

VOL

OE

VOUT2

VOE(1)

VSEL(1)

S

A.

All input pulses are supplied by generators having the following characteristics: PRR ≤ 10MHz, ZO = 50Ω, tr < 5ns, tf < 5ns.

B.

CL includes probe and jig capacitance.

Figure 6-1. Turn-On (tON) and Turn-Off Time (tOFF)

1D

2D

D

VOUT1

VIN

Channel OFF: 1D to D

Network Analyzer Setup

Source Power = 0dBm

(632mV P- P at 50

load)

DC Bias = 350mV

VCC

GND

Network Analyzer

Source

Signal

VSEL

+

VSEL = VCC

S

50Ω

50Ω

Ω

Figure 6-2. OFF Isolation (OISO)

1D

2D

VOUT1

VIN

Channel ON: 1D to D

Network Analyzer Setup

Source Power = 0dBm

(632mV P-P at 50 load)

DC Bias = 350mV

VCC

GND

VOUT2

Source

Signal

Channel OFF: 2D to D

Network Analyzer

VSEL

+

VSEL = VCC

S

50Ω

50Ω

50Ω

Ω

D

Figure 6-3. Crosstalk (XTALK)

TS3USB30E

SCDS255G – DECEMBER 2008 – REVISED OCTOBER 2024

www.ti.com

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