Datasheet AD7091R-2, AD7091R-4, AD7091R-8 (Analog Devices) - 7

Data Sheet AD7091R-2/AD7091R-4/AD7091R-8 ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted.
THERMAL RESISTANCE Table 3.
θJA is specified for the worst-case conditions, that is, a device
Parameter Rating
soldered in a circuit board for surface-mount packages. VDD to GND −0.3 V to +7 V
Table 4. Thermal Resistance
VDRIVE to GND −0.3 V to +7 V
Package Type θJA θJC Unit
Analog Input Voltage to GND −0.3 V to VREF + 0.3 V 24-Lead LFCSP 47.3 27.78 °C/W Digital Input1 Voltage to GND −0.3 V to VDRIVE + 0.3 V 24-Lead TSSOP 73.54 14.94 °C/W Digital Output2 Voltage to GND −0.3 V to VDRIVE + 0.3 V 20-Lead LFCSP 49.05 29.18 °C/W Input Current to Any Pin Except Supplies3 ±10 mA 20-Lead TSSOP 84.29 18.43 °C/W Operating Temperature Range −40°C to +125°C 16-Lead LFCSP 50.58 29.64 °C/W Storage Temperature Range −65°C to +150°C 16-Lead TSSOP 106.03 28.31 °C/W Junction Temperature 150°C ESD Human Body Model (HBM) 1.5 kV
ESD CAUTION
Field Induced Charged Device Model 500 V (FICDM) 1 The digital input pins include the following: RESET, CONVST, SDI, SCLK, and CS. 2 The digital output pins include the fol owing: SDO, GPO1, and ALERT/BUSY/GPO0. 3 Transient currents of up to 100 mA do not cause SCR latch-up. Stresses above those listed under Absolute Maximum Ratings may cause permanent 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 section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Rev. C | Page 7 of 42 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS Timing Diagram ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION ADC TRANSFER FUNCTION REFERENCE POWER SUPPLY DEVICE RESET TYPICAL CONNECTION DIAGRAM ANALOG INPUT DRIVER AMPLIFIER CHOICE REGISTERS ADDRESSING REGISTERS CONVERSION RESULT REGISTER CHANNEL REGISTER CONFIGURATION REGISTER ALERT INDICATION REGISTER CHANNEL x LOW LIMIT REGISTER CHANNEL x HIGH LIMIT REGISTER CHANNEL x HYSTERESIS REGISTER SERIAL PORT INTERFACE READING CONVERSION RESULT WRITING DATA TO THE REGISTERS READING DATA FROM THE REGISTERS POWER-ON DEVICE INITIALIZATION MODES OF OPERATION NORMAL MODE POWER-DOWN MODE ALERT (AD7091R-4 AND AD7091R-8 ONLY) BUSY (AD7091R-4 AND AD7091R-8 ONLY) CHANNEL SEQUENCER DAISY CHAIN OUTLINE DIMENSIONS ORDERING GUIDE