Datasheet

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RECOMMENDED OPERATING CONDITIONS
ADS6424
ADS6423
ADS6422
SLAS532A – MAY 2007 – REVISED JUNE 2007
over operating free-air temperature range (unless otherwise noted)
MIN NOM MAX UNIT
SUPPLIES
AVDD Analog supply voltage 3.0 3.3 3.6 V
LVDD LVDS Buffer supply voltage 3.0 3.3 3.6 V
ANALOG INPUTS
Differential input voltage range 2 V
pp
1.5
Input common-mode voltage V
± 0.1
Voltage applied on VCM in external reference mode 1.45 1.50 1.55 V
CLOCK INPUT
ADS6424 5 105
Input clock sample rate, F
s
ADS6423 5 80 MSPS
ADS6422 5 65
Sine wave, ac-coupled 0.4 1.5
LVPECL, ac-coupled ± 0.8
Input clock amplitude differential (V
CLKP
– V
CLKM
) V
PP
LVDS, ac-coupled ± 0.35
LVCMOS, ac-coupled 3.3
Input clock duty cycle 35% 50% 65%
DIGITAL OUTPUTS
C
LOAD
Without internal termination 5
Maximum external load capacitance from each output pin to
pF
DGND
With internal termination 10
R
LOAD
Differential load resistance (external) between the LVDS 100
Ω
output pairs
T
A
Operating free-air temperature – 40 85 ° C
4 Copyright © 2007, Texas Instruments Incorporated
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