Datasheet AD7856 (Analog Devices) - 7

AD7856 ABSOLUTE MAXIMUM RATINGS1 ORDERING GUIDE
(TA = +25°C unless otherwise noted)
Linearity
AVDD to AGND . ␣ –0.3 V to +7 V
Error Package
DVDD to DGND . ␣ –0.3 V to +7 V
Model (LSB)1 Options2
AVDD to DVDD␣ . –0.3 V to +0.3 V Analog Input Voltage to AGND . ␣ –0.3 V to AV AD7856AN ±2 typ N-24 DD + 0.3 V Digital Input Voltage to DGND . –0.3 V to DV AD7856AR ±2 typ R-24 DD + 0.3 V Digital Output Voltage to DGND . –0.3 V to DV AD7856KR ±2 R-24 DD + 0.3 V REF AD7856ARS ±2 typ RS-24 IN/REFOUT to AGND . ␣ –0.3 V to AVDD + 0.3 V Input Current to Any Pin Except Supplies2␣ . ± 10 mA EVAL-AD7856CB3 Operating Temperature Range Commercial EVAL-CONTROL BOARD4 A Version . –40°C to +105°C NOTES K Version . 0°C to +105°C 1Linearity error here refers to integral linearity error. Storage Temperature Range . –65°C to +150°C 2N = Plastic DIP; R = SOIC; RS = SSOP. Junction Temperature . +150°C 3This can be used as a stand-alone evaluation board or in conjunction with the Plastic DIP Package, Power Dissipation . 450 mW EVAL-CONTROL BOARD for evaluation/demonstration purposes. θ 4This board is a complete unit allowing a PC to control and communicate with JA Thermal Impedance . 105°C/W θ all Analog Devices evaluation boards ending in the CB designators. JC Thermal Impedance . 34.7°C/W Lead Temperature, (Soldering, 10 secs) . +260°C SOIC, SSOP Package, Power Dissipation . 450 mW θ
PIN CONFIGURATIONS
JA Thermal Impedance . 75°C/W (SOIC) 115°C/W (SSOP) θ
(DIP, SOIC AND SSOP)
JC Thermal Impedance . 25°C/W (SOIC) 35°C/W (SSOP) Lead Temperature, Soldering Vapor Phase (60 secs) . +215°C
CONVST 1 24 SYNC
Infrared (15 secs) . +220°C
BUSY 2 23 SCLK
ESD . >1 kV
SLEEP 3 22 CLKIN
NOTES
REFIN/REFOUT 4 21 DIN
1Stresses above those listed under Absolute Maximum Ratings may cause perma-
AVDD 5 AD7856 20 DOUT
nent damage to the device. This is a stress rating only; functional operation of the
AGND 6 19 TOP VIEW DGND
device at these or any other conditions above those listed in the operational sections
(Not to Scale) CREF1 7 18 DVDD
of this specification is not implied. Exposure to absolute maximum rating condi-
C
tions for extended periods may affect device reliability.
REF2 8 17 CAL
2Transient currents of up to 100 mA will not cause SCR latch-up.
AIN1 9 16 AIN8 AIN2 10 15 AIN7 AIN3 11 14 AIN6 AIN4 12 13 AIN5 CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
WARNING!
accumulate on the human body and test equipment and can discharge without detection. Although the AD7856 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
ESD SENSITIVE DEVICE
precautions are recommended to avoid performance degradation or loss of functionality. –6– REV. A