1633921 datasheet(13/24 Pages) TI

13 / 24 page

V+

NC or NO

VNC or VNO

NC or NO

COM

VCOM

GND

V–

CL(2)

tBBM

50%

90%

VNC or VNO = V+/2

RL = 50 Ω

CL = 35 pF

Logic

Input(1)

Logic

Input

(VI)

Switch

Output

(VCOM)

VIO

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

(2) CL includes probe and jig capacitance.

V+

GND

RGEN

COM

VCOM

CL(1)

OFF

VCOM

OFF

∆VCOM

VGEN

VI = VIH or VIL

CL = 1 nF

VGEN = 0 to V+

RGEN = 0

QC = CL × ∆VCOM

Logic

Input(2)

VIH

VIL

Logic

Input

(VI)

(1) CL includes probe and jig capacitance.

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

V–

COM

VNO

VCOM

Channel OFF: NO to COM

Network Analyzer Setup

Source Power = 0 dBm

(632-mV P-P at 50-Wload)

DC Bias = 350 mV

50 W

V+

GND

50 W

Network Analyzer

Source

Signal

VI = VIO or GND

V–

TS12A12511

www.ti.com

SCDS248B

– OCTOBER 2009 – REVISED APRIL 2011

Figure 17. Break-Before-Make Time Delay (tBBM)

Figure 18. Charge Injection (QC)

Figure 19. OFF Isolation (OISO)

1633921 Datasheet(PDF) 13 Page - Texas Instruments

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