ANALOG 16-Bit, 100 kSPS Sampling A/D Converter DEVICES with Parallel Interface AD676 1.1 Scope. This specification covers the detail requirements for a 16-bit resolution sampling A/D converter with parallel output interface. 1.2 Part Number. The complete part number per Table 1 of this specification is as follows: Device Part Number! -1 AD676T(X/883B NOTE 'See paragraph 1.2.3 for package identifier. 1.2.3 Case Outline. a Appendix 1 of General Specification ADI-M-1000: package outline: (X) Package Description D D-28 28-Pin Ceramic DIP 1.3 Absolute Maximum Ratings. (T, = +25C unless otherwise noted) Voc tO Vege cc ee tenet teens ~0.3 V to +26.4 V Vpp t0 DGND .. 1.6 eee eet teens -0.3Vto+7V Voc tO AGND 2 ten eee eens -3 Vw +18 V Veg tO AGND 22 eee teens -18 V0 +0.3V AGND to DGND ..0. ec ee nee nee eee teen eee +0.3V Digital Inputs to DGND ... 1... ee tee eee ens 0OVto +5.5V Analog Inputs, Vagp t0 AGND 0.1 ee (Voc + 0.3 V) to (Veg 0.3 V) Storage Temperature Range .. 1.2.0... 2c cc ee eee 65C to +150C Lead Temperature (Soldering 10 sec) 2... ee teen eee +300C 1.5 Thermal Characteristics. 25C/W 60C/W Thermal Resistance 6j 85a This information applies to a product under development. Its characteristics and specifications are subject to change without notice. Analog Devices assumes no obligation regarding future manufacture unless otherwise agreed to in writing. REV.A ANALOG-TO-DIGITAL CONVERTERS 6-39 AD676 3.2.1 Functional Block Diagram and Terminal Assignments DAC LOGIC & TIMING ts LEVEL TRANSLATORS ANALOG DIGITAL CHIP CAL (8) MPLE MICRO-CODED SA [| CONTROLLER, CLK (10) | rau | E eri [i] airi2[2 | eir13 [3] Bir 14 [4] BIT 15 [5] BIT 16 (LSB) [@] eusy [7] CAL [a SAMPLE | cu [10 DGND E Voc [2] acno [13 AGND SENSE [14 Net 9 AD676 Top View (Not to Scale) [28 BIT 10 [27] BIT 9 [26] err 8 25] BIT 7 24 | Bit 6 23] BIT 5 22/814 21] BIT 3 [20] BIT 2 ri3] BIT 4 (MSB) ha Von 17] Vee ie] Vner +5] Vin This information applies to a product under development. Its characteristics and specifications are subject to change without notice. Analog Devices assumes no obligation regarding future manufacture unless otherwise agreed to in writing. 6-40 ANALOG-TO-DIGITAL CONVERTERS REV.A