
Parameter
Min
Typ
Max
Units
POWER SUPPLY
Positive Voltage Range
4.75
5
5.25
V
Negative Voltage Range
–5.25
–5
–4.75
V
Positive Supply Current
30
40
mA
Negative Supply Current
63
73
mA
Nominal Power Dissipation
465
600
mW
Power Supply Rejection Ratio (PSRR)
–0.2
+0.2
% of FSR/V
OPERATING RANGE
–40
+85
°C
NOTES
1Measured at IOUTA, driving a virtual ground.
2Nominal FS output current is 4
× the current at IREFIN. Therefore, nominal FS current is 20 mA when IREFIN = 5 mA.
3Output current is defined as total current available for IREFIN and any external load.
4Reference bandwidth is a function of external cap at NR pin. Refer to compensation section of data sheet for details.
5Excludes internal reference drift.
6Includes internal reference drift.
7Measured as unbuffered voltage output (1 V range) with FS current into 50
load at IOUTB.
Specifications subject to change without notice.
ABSOLUTE MAXIMUM RATINGS
*
Parameter
with Respect to
Min
Max
Units
Positive Supply Voltage (VDD)
DCOM, REFCOM, LADCOM –0.5
+6.0
V
Negative Supply Voltage (VEE)
DCOM, REFCOM, LADCOM –6.0
+0.5
V
Analog-to-Other Grounds (REFCOM) DCOM, LADCOM
–0.5
+0.5
V
Digital-to-Other Grounds (DCOM)
LADCOM, REFCOM
–0.5
+0.5
V
Reference Output (REFOUT)
REFCOM
VDD + 0.5 V
Reference Input Current (IREFIN)
+7.5
mA
Digital Inputs (DB0–DB15, CLOCK)
DCOM
–0.5
VDD + 0.5 V
Analog Outputs (IOUTA, IOUTB)
LADCOM
–2.0
+5.0
V
Maximum Junction Temperature
+150
°C
Storage Temperature
–65
+150
°C
Lead Temperature
+300
°C
*Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress
rating only and 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 rating for extended periods may affect device
reliability.
AD768
REV. B
ORDERING GUIDE
Package
Model
Package Description
Option
AD768AR
28-Pin 300 mil SOIC
R-28
AD768ACHIPS
Die
AD768-EB
AD768 Evaluation Board
–3–
tH
tS
tLPW
tPD
tST
0.025%
DB0–DB15
CLOCK
IOUTA
OR
IOUTB
Timing Diagram
WARNING!
ESD SENSITIVE DEVICE
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 AD768 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.