The World Leader in High-Performance Signal Processing Solutions ADC

Worldwide Data Converters market share Source: Databeans Mar 2003

Precision Data Converters RECENT TECHNOLOGY LEADERSHIP YearProductDescription 1997AD7730Worlds first integrated load cell converter 1998AD5320Worlds first DAC in SOT-23 package 1998AD7723 Worlds first 1Msps  1999ADuC812Worlds first MicroConverter ® 1999AD7472Worlds first 1Msps SAR ADC 2000AD7476Worlds first SOT-23 ADC 2000AD5532Worlds first 32-channel DAC 2001ADuC824Worlds first sensor signal conditioning chip 2001AD7671Worlds first 1Msps 16-bit SAR ADC 2002AD7677Worlds first 16-bit SAR ADC with ±1LSB accuracy 2002AD5379Worlds first 40-channel DAC 2002AD7476AWorlds first ADC in SC-70 package 2003AD7725 Worlds first  with post processing engine 2003AD7674Worlds fastest 18-bit ADC 2003AD7680Worlds smallest 16-bit ADC – SOT23 package 2003AD7790 Worlds lowest power/noise 24-bit 

Analog Devices World Leader in ADCs Fastest Data Rates Smallest Packages Lowest Power Precision Converters: 8-Bit to 18-Bit ADCs Data Rates up to 3 MSPS

Developing Cores for Key Markets High Accuracy Low Voltage Single Supply Cores Low Voltage Single Supply Cores Bi Polar Cores Fast Throughput No pipeline delay Fast Throughput No pipeline delay PRECISION ADC Industrial Portable System Monitoring System Monitoring Comms Instru Medical Key Target Market Segments AD7674 AD7685 AD7725 AD7484 AD7266 AD7890 AD7894 AD7476A AD7680 AD7466

AD7674 – 800ksps 18-bit  Fastest 18-bit ADC available 18-bit NMC (±1 DNL) specified at 800ksps ±2.5 LSB INL specified at 800ksps  AC performance – best in class -115dB THD 100dB SNR  On-chip reference buffer Allows greater flexibility in reference selection  On-chip signal conditioning Fully Differential i/p’s, ±5V, with +5V V DD  Flexible Parallel and Serial interface 18-,16-, 8- Parallel  48-pin LQFP or CSP package  As per AD7674 except  570ksps throughput AD7679  As per AD7674 except  100ksps throughput AD7678

AD Bit,  -   ADC with Post Processor  On-chip post processor 130 million accumulates (MAC) per second Design FIR, IIR or linearisation Programmable filtering configurable up to 108 tap Complete control over filter response, filter coefficients and decimation rate 5 th order  -  Modulator Sample at frequencies up to 14.4MHz Programmable decimation and output word rate  On-chip 2.5V reference User programmable signal conditioning Bipolar or Unipolar i/p’s Differential or single ended Full Filter Simulation kit available “Filter Wizard” allows design of different types of filters and generates configuration file for download to part.

AD7725 Tools  AD7725 Evaluation Board – Rev E Accompanied by Evaluation Software – Version 2.2  This software enables the analysis of the conversion data by displaying FFTs or histogram of codes  Eval-Control Board Used to interface the Evaluation Board to a PC  FilterWizard Used to design filters  The configuration files generated can be loaded to the AD7725 directly, using the AD7725 Evaluation Software

AD7685/86 Features  16-Bits Resolution  16-Bits No Missing Codes  2.7V to 5V Operation  INL= +/-3LSB  AD7685= 250kSPS, AD7686= 550kSPS  Power Dissipation Peak Sampling Rate AD7685= 25mW AD7686= 42mW  0 to VREF Input Range  92dB  SPI/QSPI/uWIRE/DSP Compatible  10-Lead MSOP  Release Date: December 2003  1k Price: AD7685= $8.00, AD7686= $12.00 Samples Available Now Samples Available Now

16-bit ADC Portfolio Part #T’putInputVinINLPowerRefI/FPackageComment Ksps max LSBtyp mW AD Uni0 to 2.5V321ExtSer/ParQFP,CSP 48 AD Uni0 to 2.5V317Int / ExtSer/ParQFP,CSP 4827mW with ref AD Uni0 to VDD44.5ExtSer6-SOT23 AD Uni0 to 2.5V617Int / ExtSer/ParQFP,CSP 4827mW with ref AD Uni0 to 2.5V2.576Int / ExtSer/ParQFP,CSP 4886mW with ref AD Uni0 to 2.5V676Int / ExtSer/ParQFP,CSP 4886mW with ref AD Uni0 to 2.5V2.597ExtSer/ParQFP,CSP 48 AD Uni0 to 2.5V697ExtSer/ParQFP,CSP 48 AD Uni0 to 2.5V2.5112Int / ExtSer/ParQFP,CSP 48122mW with ref AD Uni0 to 2.5V6112Int / ExtSer/ParQFP,CSP 48122mW with ref AD Uni/Bip±10,±5,±2.5V, 0 to 10,5,2.5V 335ExtSer/ParQFP,CSP 48 AD Uni/Bip±10,±5,±2.5V, 0 to 10,5,2.5V 2.593ExtSer/ParQFP,CSP AD Uni/Bip±10,±5,±2.5V, 0 to 10,5,2.5V ExtSer/ParQFP,CSP AD Diff±2.5V1.517ExtSer/ParQFP 48 AD Diff±2.5V176ExtSer/ParQFP 48 AD Diff±2.5V1115ExtSer/ParQFP AD by2 simul0 to 5V2.5110Int / ExtSer/ParQFP,CSP 48120mW with ref AD by2 simul0 to 5V6110Int / ExtSer/ParQFP,CSP 48120mW with ref

AD bit 3Msps ADC  Fastest 14-bit SAR ADC available SAR architecutre means no pipeline delays ±0.3 LSB INL, ±0.3 LSB 14-bits Overrange Mode ±8% full scale overrange mode (15 th bit)  On-chip 2.5V reference Offset shift capability 0V to 2.5V i/p range which can be shifted by ±200mV V DRIVE pin Allows interfacing to low voltage processors  Power Down Options 5mW nap mode, 2.5uW standby mode, 60mW full operation  Wide input bandwidth Low noise T/H accepts frequencies >40MHz  As per AD7484 except  Serial interface  Specified at 2Msps throughput AD7485  As per AD7484 except  12-bit resolution AD7482 INL Plot

Bipolar ADC Portfolio Product Selector GenericResolutionThroughputPower AD Bits117 ksps25 mW AD Bits200 ksps16 mW AD Bits200 ksps20 mW GenericRes’n Throughp utPower AD Bits220 ksps 22.5 mW GenericResolutionThroughputPower AD Bits100 ksps30 mW Serial Parallel Serial Single Channel Single Channel 3 V Interface Eight Channel Single Channel Eight Channel Single Channel GenericResolutionThru’putPower AD Bits600 ksps60 mW GenericRes’nThru’putPower AD Bits500 ksps82 mW GenericResolutionThroughputPower AD Bits400 ksps80 mW

ADCs with Bipolar Inputs AD789x Series  No Need to Offset the Input Voltage for Bipolar Signals  AD789x series have true bipolar inputs ranges from  2.5 V to  10 V  Better offset and gain system specs without ext offsetting resistors  More Robust Input Circuitry  Input series resistors   17 V Absolute maximum ratings  Higher Chip Integration – Ease of Use  Choice of serial, parallel, single-channel or multi-channel ADCs  On-chip resistors gives more flexible input range selection  2.5 V on-chip reference, ext reference is optional  Pin Compatible Upgrade to 14-Bits  AD7895 – 12-Bits  AD7894 – 14-Bits Released

ADC 8-bit to 12-bit

AD7476A – 1Msps SC70  Smallest ADC available SC70 package is 50% smaller than closest competitor TI&LTC smallest package is MSOP, Maxim is SOT23  Flexible Throughput/Power Management System Power down capability without pin re- configuration (patent protection) 0.9mW at 100ksps, 3.6mW at 1Msps  20MHz serial interface SPI, QSPI, MICROWIRE, DSP Compatible  On-chip reference Derived from the power supply  Unipolar analog i/p Ain 0V to V DD  As per AD7476A except  10-bit resolution AD7477A  As per AD7476A except  8-bit resolution AD7478A

AD7450A – Differential 1Msps  Fastest Fully Differential 12-bit ADC available Both analog i/ps extend to the rails Full scale i/p is 2 * V ref Fully differential or Pseudo Differential options  SOT-23 package Uses 40% less board area than closest competitor  Variable voltage Vref i/p Fully functional with reference of 100mV  Wide bandwidth differential track and hold 3dB point of 20MHz  Flexible Throughput/Power Management System 0.9mW at 100ksps, 3.6mW at 1Msps Power down capability without pin re- configuration (patent protection)  As per AD7450A except  10-bit resolution AD7440  As per AD7450A except  Pseudo differential inputs AD7451  As per AD7440 except  Pseudo differential inputs AD7441

AD7680 – World’s Smallest 16-bit ADC  Small Package but still offers high performance 15-Bits No Missing Codes INL of ±4 LSB 100kSPS Sampling Rate  Reduce board area and power, Ideal for Handheld Equipment 3mW typ at 100kSPS 2.7V Supply Powerdown Mode: 0.5uA  Specified for AC performance 85dB  Choice of serial interface SPI/QSPI/uWIRE/DSP Compatible  Samples available now  Full production release Aug’03  1k Price: $6.00 Availability & Price  As per AD7680 except  14-bits resolution AD7940

World’s Lowest Power ADCs AD7466: 12-Bits, AD7467: 10-Bits, AD7468: 8-Bits  Lowest Power: 1 mW 100kSPS with 3 V Supplies 0.6 mW 100kSPS with 1.8 V Supplies  Low Voltage Supply: 1.8 V to 3.3 V  Small Package: 6-Pin SOT-23 Package  SPI/QSPI/DSP Compatible Interface  Throughput Rate: 200kSPS(B)  Standby Mode: 1µA max  Wide Input Bandwidth: 500 kHz typ No Pipeline Delays 1.8 V Low Power AD746x ADC Family 6-Lead SOT-23 Package

AD7928: 1Msps Serial Mu’xed ADC  Mutiplex more signals faster 8-channel single-ended multiplexer 1Msps throughput  Multiplex and convert high frequency signals With the 1Msps throughput and fullpower input bandwidth of 8MHz Full AC specification  Predetermine the sampling of the signals On-chip sequences allows a sequence of channels to be selected  Serial Interface reduced board routing SPI/QSPI/DSP compatible  Increase throughput while reducing power consumption 6 mW max at 1 Msps, 3 V Supply Flexible Power Management over the Serial Interface  As per AD7928 except  AD7918: 10-bit resolution  AD7908: 8-bit resolution AD7918/AD7908  4-channel Multiplexer  AD7924: 12-bit resolution  AD7914: 10-bit resolution  AD7904: 8-bit resolution AD7904, AD7914, AD7924 AC Performance

 AD793x – Worlds Fastest, Multiplexed, SAR Converters  Throughput rate up to 1.5Msps  Multi-Channel Inputs  Parallel Interface  Accurate On-Chip 2.5V Reference  4/8 Analog Inputs with a Channel Sequencer  Low Power 8mW Max at 1.5Msps  3V or 5V Power Supply 12 & 10 Bit, Parallel ADCs with a Sequencer AD793x Multi- Channe l Inputs Reference Control Logic Sequence r T/ H 10-, 12-Bit 1.5 Msps ADC Dat a Parallel Interface AD793x Block Diagram