AD8522AR

+5 Volt, Serial Input, a Dual 12-Bit DAC AD8522 FEATURES FUNCTIONAL BLOCK DIAGRAM Complete Dual 12-Bit DAC V DD No External Components +5 V Single-Supply Operation 610% CS OP CLK DAC A AMP V 4.095 V Full Scale (1 mV/LSB) LATCH OUTA CLK DAC A 12 A REGISTER Buffered Voltage Outputs D Low Power: 5 mW/DAC SDI BANDGAP REF Space Saving 1.5 mm Height SO-14 Package (DATA) 12 REFERENCE BUF SHIFT REGISTER V REF APPLICATIONS Digitally Controlled Calibration REF BUF Servo Controls D DAC B SDO Process Control Equipment REGISTER 12 OP Computer Peripherals DAC B V AMP OUTB LDA CONTROL B Portable Instrumentation LOGIC LDB Cellular Base Stations Voltage Adjustment AD8522 DGND MSB AGND RS GENERAL DESCRIPTION inputs. A serial data output allows the user to easily daisy-chain The AD8522 is a complete dual 12-bit, single-supply, voltage multiple devices in conjunction with a chip select input. A reset output DAC in a 14-pin DIP, or SO-14 surface mount package. RS input sets the outputs to zero scale or midscale, as deter- Fabricated in a CBCMOS process, features include a serial digi- mined by the input MSB. tal interface, onboard reference, and buffered voltage output. The output 4.095 V full scale is laser trimmed to maintain accu- Ideal for +5 V-only systems, this monolithic device offers low racy over the operating temperature range of the device, and cost and ease of use, and requires no external components to gives the user an easy-to-use one-millivolt-per-bit resolution. A realize the full performance of the device. 2.5 V reference output is also available externally for other data The serial digital interface allows interfacing directly to numer- acquisition circuitry, and for ratiometric applications. The out- ous microcontroller ports, with a simple high speed, three-wire put buffers are capable of driving 5 mA. data, clock, and load strobe format. The 16-bit serial word con- The AD8522 is available in the 14-pin plastic DIP and low pro- tains the 12-bit data word and DAC select address, which is de- file 1.5 mm SOIC-14 packages. coded internally or can be decoded externally using LDA, LDB 0.6 PACKAGE TYPES AVAILABLE V = +4.5V DD 0.4 T = 55C, +25C, +85C, +125C A +25C 0.2 55C 0 0.2 0.4 PDIP-14 0.6 +85C SO-14 +125C 0.8 1.0 0 1024 2048 3072 4096 DIGITAL INPUT CODE Decimal Figure 1. Linearity Error vs. Digital Code & Temperature REV. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A. which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Tel: 617/329-4700 Fax: 617/326-8703 LINEARITY ERROR LSBAD8522* PRODUCT PAGE QUICK LINKS Last Content Update: 02/23/2017 COMPARABLE PARTS DISCUSSIONS View a parametric search of comparable parts. View all AD8522 EngineerZone Discussions. DOCUMENTATION SAMPLE AND BUY Data Sheet Visit the product page to see pricing options. AD8522: 5 Volt, Serial Input, Dual 12-Bit DAC Data Sheet TECHNICAL SUPPORT REFERENCE MATERIALS Submit a technical question or find your regional support number. Solutions Bulletins & Brochures Digital to Analog Converters ICs Solutions Bulletin DOCUMENT FEEDBACK Submit feedback for this data sheet. DESIGN RESOURCES AD8522 Material Declaration PCN-PDN Information Quality And Reliability Symbols and Footprints This page is dynamically generated by Analog Devices, Inc., and inserted into this data sheet. A dynamic change to the content on this page will not trigger a change to either the revision number or the content of the product data sheet. This dynamic page may be frequently modified.