Datasheet

RECOMMENDED OPERATING CONDITIONS
ADS5272
www.ti.com ...................................................................................................................................................... SBAS324C – JUNE 2004 – REVISED JANUARY 2009
ADS5272
PARAMETER MIN TYP MAX UNITS
SUPPLIES AND REFERENCES
Analog Supply Voltage, AVDD 3.0 3.3 3.6 V
Output Driver Supply Voltage, LVDD 3.0 3.3 3.6 V
REF
T
— External Reference Mode 1.825 1.95 2.0 V
REF
B
— External Reference Mode 0.9 0.95 1.075 V
REFCM = (REF
T
+ REF
B
)/2 – External Reference Mode
(1)
V
CM
± 50mV V
Reference = (REF
T
– REF
B
) – External Reference Mode 0.75 1.0 1.1 V
Analog Input Common-Mode Range
(1)
V
CM
± 50mV V
CLOCK INPUT AND OUTPUTS
ADCLK Input Sample Rate (low-voltage TTL) 20 65 MSPS
ADCLK Duty Cycle 45 55 %
Low-Level Voltage Clock Input 0.6 V
High-Level Voltage Clock Input 2.2 V
ADCLK
P
and ADCLK
N
Outputs (LVDS) 20 65 MHz
LCLK
P
and LCLK
N
Outputs (LVDS)
(2)
120 390 MHz
Operating Free-Air Temperature, T
A
– 40 +85 ° C
Thermal Characteristics:
θ
JA
19.4 ° C/W
θ
JC
4.2 ° C/W
(1) These voltages need to be set to 1.45V ± 50mV if they are derived independent of V
CM
.
(2) 6 × ADCLK.
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