Datasheet AD7475, AD7495 (Analog Devices) - 9

Data Sheet AD7475/AD7495 ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted. Stresses at or above those listed under Absolute Maximum
Table 4.
Ratings may cause permanent damage to the product. This is a
Parameters Ratings
stress rating only; functional operation of the product at these or any other conditions above those indicated in the operational VDD to GND −0.3 V to +7 V section of this specification is not implied. Operation beyond VDRIVE to GND −0.3 V to +7 V the maximum operating conditions for extended periods may Analog Input Voltage to GND −0.3 V to VDD + 0.3 V affect product reliability. Digital Input Voltage to GND −0.3 V to +7 V VDRIVE to VDD −0.3 V to VDD + 0.3 V Digital Output Voltage to GND −0.3 V to VDRIVE + 0.3 V
ESD CAUTION
REF IN to GND −0.3 V to VDD + 0.3 V Input Current to Any Pin Except ±10 mA Supplies1 Operating Temperature Range Commercial (A, B Version) −40°C to +85°C Storage Temperature Range −65°C to +150°C Junction Temperature 150°C SOIC, MSOP Package, Power Dissipation 450 mW θJA Thermal Impedance 157°C/W (SOIC) 205.9°C/W (MSOP) θJC Thermal Impedance 56°C/W (SOIC) 43.74°C/W (MSOP) Lead Temperature, Soldering Vapor Phase (60 sec) 215°C Infrared (15 sec) 220°C ESD 4 kV 1 Transient currents of up to 100 mA do not cause SCR latch-up. Rev. C | Page 9 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS REVISION HISTORY AD7475 SPECIFICATIONS AD7495 SPECIFICATIONS TIMING EXAMPLE 1 TIMING EXAMPLE 2 ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TERMINOLOGY TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION CONVERTER OPERATION ADC TRANSFER FUNCTION TYPICAL CONNECTION DIAGRAM Analog Input Digital Inputs VDRIVE Reference Section OPERATING MODES NORMAL MODE PARTIAL POWER-DOWN MODE Power-Up Time FULL POWER-DOWN MODE POWER VS. THROUGHPUT RATE SERIAL INTERFACE MICROPROCESSOR INTERFACING AD7475/AD7495 TO TMS320C5x/C54x AD7475/AD7495 TO ADSP-21xx AD7475/AD7495 TO DSP56xxx AD7475/AD7495 TO MC68HC16 OUTLINE DIMENSIONS ORDERING GUIDE