ADG3242BRJ-R2 datasheet(11/16 Pages) AD

11 / 16 page

ADG3242

Rev. A | Page 11 of 16

TIMING MEASUREMENT INFORMATION

For the following load circuit and waveforms, the notation that

is used is VIN and VOUT where:

VIN = VA and VOUT = VB, or VIN = VB and VOUT = VA

VCC

VIN

VOUT

SW1

GND

2 × VCC

DUT

PULSE

GENERATOR

NOTES

1. PULSE GENERATOR FOR ALL PULSES:

tR ≤ 2.5ns, tF ≤ 2.5ns,

FREQUENCY ≤ 10MHz.

2. CL INCLUDES BOARD, STRAY, AND LOAD CAPACITANCES.

3. RT IS THE TERMINATION RESISTOR, SHOULD BE EQUAL TO ZOUT

OF THE PULSE GENERATOR.

Figure 25. Load Circuit

CONTROL

INPUT BE

tPLH

VOUT

VIH

tPLH

Figure 26. Propagation Delay

ENABLE

DISABLE

CONTROL INPUT BE

VIN = 0V

VIN = VCC

VOUT

SW1 @ 2VCC

VOUT

SW1 @ GND

tPLZ

tPZH

tPHZ

tPZL

VCC

VH –VΔ

VL + VΔ

VCC

VINH

Figure 27. Enable and Disable Times

Table 6. Switch Position

Test

tPLZ, tPZL

2 × VCC

tPHZ, tPZH

GND

Table 7. Test Conditions

Symbol

VCC = 3.3 V ± 0.3 V (SEL = VCC)

VCC = 2.5 V ± 0.2 V (SEL = VCC)

VCC = 3.3 V ± 0.3 V (SEL = 0 V)

Unit

500

VΔ

300

150

1.5

0.9

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