Datasheet AD7859, AD7859L (Analog Devices) - 6

AD7859/AD7859L ABSOLUTE MAXIMUM RATINGS1 1.6mA IOL
(TA = +25°C unless otherwise noted) AVDD to AGND . –0.3 V to +7 V DVDD to DGND . –0.3 V to +7 V
TO OUTPUT +2.1V PIN
AVDD to DVDD . –0.3 V to +0.3 V
50pF
Analog Input Voltage to AGND . –0.3 V to AVDD + 0.3 V Digital Input Voltage to DGND . –0.3 V to DVDD + 0.3 V
200µA IOH
Digital Output Voltage to DGND . –0.3 V to DVDD + 0.3 V REFIN/REFOUT to AGND . –0.3 V to AVDD + 0.3 V Input Current to Any Pin Except Supplies2 . ± 10 mA Figure 1. Load Circuit for Digital Output Timing Operating Temperature Range Specifications Commercial (A, B Versions) . –40°C to +85°C Storage Temperature Range . –65°C to +150°C
ORDERING GUIDE
Junction Temperature . +150°C
Linearity Power
PQFP Package, Power Dissipation . 450 mW
Error Dissipation Package
θJA Thermal Impedance . 95°C/W
Model (LSB)1 (mW) Option2
Lead Temperature, Soldering Vapor Phase (60 sec) . +215°C AD7859AP ±1 15 P-44A Infrared (15 sec) . +220°C AD7859AS ±1 15 S-44 PLCC Package, Power Dissipation . 500 mW AD7859BS ±1/2 15 S-44 θJA Thermal Impedance . 55°C/W AD7859LAS3 ±1 5.5 S-44 Lead Temperature, Soldering EVAL-AD7859CB4 Vapor Phase (60 sec) . +215°C EVAL-CONTROL BOARD5 Infrared (15 sec) . +220°C ESD . >1500 kV NOTES 1Linearity error refers to the integral linearity error. NOTES 2P = PLCC; S = PQFP. 1Stresses above those listed under “Absolute Maximum Ratings” may cause 3L signifies the low power version. permanent damage to the device. This is a stress rating only and functional 4This can be used as a stand-alone evaluation board or in conjunction with the operation of the device at these or any other conditions above those listed in the EVAL-CONTROL BOARD for evaluation/demonstration purposes. operational sections of this specification is not implied. Exposure to absolute 5This board is a complete unit allowing a PC to control and communicate with maximum rating conditions for extended periods may affect device reliability. all Analog Devices, Inc. evaluation boards ending in the CB designators. 2Transient currents of up to 100 mA will not cause SCR latchup. For more information on Analog Devices products and evaluation boards, visit our World Wide Web home page at http://www.analog.com.
PINOUT FOR PLCC PINOUT FOR PQFP CS RD WR CONVST BUSY CLKIN DB15 DB14 DB13 DB12 NC CS RD WR CONVST BUSY CLKIN DB15 DB14 DB13 DB12 NC 6 5 4 3 2 1 44 43 42 41 40 44 43 42 41 40 39 38 37 36 35 34 NC 7 39 NC NC 1 PIN NO. 1 IDENTIFIER 33 NC W/B 8 38 DB11 W/B 2 32 DB11 REF 9 37 IN/REFOUT DB10 REF 3 31 IN/REFOUT DB10 AV 10 36 DD DB9 AV 4 DD 30 DB9 AGND 11 35 DB8/HBEN AD7859 AGND 5 29 DB8/HBEN C 12 TOP VIEW 34 REF1 DGND AD7859
(Not to Scale)
C 6 C REF1 28 TOP VIEW DGND REF2 13 33 DVDD (Not to Scale) CREF2 7 DV AIN0 14 32 DB7 27 DD AIN1 15 31 DB6 AIN0 8 26 DB7 AIN2 16 30 DB5 AIN1 9 25 DB6 AIN3 17 29 DB4 AIN2 10 24 DB5 AIN3 11 23 DB4 18 19 20 21 22 23 24 25 26 27 28 NC DB0 DB1 DB2 DB3 AIN4 AIN5 AIN6 AIN7 CAL 12 13 14 15 16 17 18 19 20 21 22 SLEEP NC DB0 DB1 DB2 DB3 AIN4 AIN5 AIN6 AIN7 CAL SLEEP
REV. A –5–