ADG3249BRJ-R2 datasheet(8/12 Pages) AD

Il numero della parte	ADG3249BRJ-R2

Spiegazioni elettronici	2.5 V/3.3 V, 2:1 Multiplexer/ Demultiplexer Bus Switch

PDF	12 Pages

Scroll/Zoom	100%

Produttore elettronici	AD [Analog Devices]

Homepage	http://www.analog.com

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8 / 12 page

REV. 0

–8–

ADG3249

For the following load circuit and waveforms, the notation that is used is VIN and VOUT where

VV and V

V or V

V and V

OUT

CONTROL

INPUT

tPLH

VOUT

VIH

tPLH

Figure 2. Propagation Delay

VCC

VIN

VOUT

SW1

GND

VCC

DUT

PULSE

GENERATOR

NOTES

PULSE GENERATOR FOR ALL PULSES: tR 2.5ns, tF 2.5ns,

FREQUENCY

10MHz.

CL INCLUDES BOARD, STRAY, AND LOAD CAPACITANCES.

RT IS THE TERMINATION RESISTOR, SHOULD BE EQUAL TO ZOUT

OF THE PULSE GENERATOR.

Figure 1. Load Circuit

TIMING MEASUREMENT INFORMATION

ENABLE

DISABLE

CONTROL INPUT

VIN = 0V

VIN = VCC

VOUT

SW1 @ 2VCC

VOUT

SW1 @ GND

tPLZ

tPZH

tPHZ

tPZL

VCC

VH –V

VL + V

VCC

VINH

Figure 3. Enable and Disable Times

Table III. Switch Position

Test

tPLZ, tPZL

× V

tPHZ, tPZH

GND

Test Conditions

Symbol

VCC = 3.3 V

± 0.3 V (SEL = V

CC)VCC = 2.5 V

± 0.2 V (SEL = V

CC)VCC = 3.3 V

± 0.3 V (SEL = 0 V) Unit

500

Ω

300

150

1.5

0.9

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