AD9280
–4–
ABSOLUTE MAXIMUM RATINGS*
With
Respect
Parameter to Min Max Units
AVDD AVSS –0.3 +6.5 V
DRVDD DRVSS –0.3 +6.5 V
AVSS DRVSS –0.3 +0.3 V
AVDD DRVDD –6.5 +6.5 V
MODE AVSS –0.3 AVDD + 0.3 V
CLK AVSS –0.3 AVDD + 0.3 V
Digital Outputs DRVSS –0.3 DRVDD + 0.3 V
AIN AVSS –0.3 AVDD + 0.3 V
VREF AVSS –0.3 AVDD + 0.3 V
REFSENSE AVSS –0.3 AVDD + 0.3 V
REFTF, REFTB AVSS –0.3 AVDD + 0.3 V
REFTS, REFBS AVSS –0.3 AVDD + 0.3 V
Junction Temperature +150 °C
Storage Temperature –65 +150 °C
Lead Temperature
10 sec +300 °C
*Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum
ratings for extended periods may effect device reliability.
Figure 2. Equivalent Circuits
f. CLAMPIN g. MODE h. REFSENSE i. VREF
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD9280 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
DRVDD
AVSS
DRVSS
DRVSS
AVDD
AVDD
AVSS
AVSS
AVDD
22
21
REFTF
REFTS
AVDD
AVSS
AVDD
AVSS
25
24
REFBS
REFBF
AVDD
AVSS
AVDD
AVSS
AVDD
AVSS
AVDD
AVSSAVSS
AVDD
AVSS
AVDD
AVDD
AVSS
AVDD
AVSS
AVDD
AVSS
a. D0–D7, OTR
b. Three-State, Standby, Clamp
c. CLK
d. AIN
e. Reference
