The AD7302 is a dual, 8-bit voltage out DAC that operates from a single +2.7 V to +5.5 V supply. Its on-chip precision output buffers allow the DAC outputs to swing rail to rail. The AD7302 has a parallel microprocessor and DSP-compatible interface with high speed registers and double buffered interface logic. Data is loaded to the registers on the rising edge of CS or WR and the A/B pin selects either DAC A or DAC B.Reference selection for AD7302 can be either an internal reference derived from the VDD or an external reference applied at the REFIN pin. Both DACs can be simultaneously updated using the asynchronous LDAC input and can be cleared by using the asynchronous CLR input.The low power consumption of this part makes it ideally suited to portable battery operated equipment. The power consumption is less than 10 mW at 3.3 V, reducing to 3 µW in powerdown mode.The AD7302 is available in a 20-pin plastic dual-in-line package, 20-lead SOIC and a 20-lead TSSOP package.APPLICATIONS Portable Battery Powered Instruments Digital Gain and Offset Adjustment Programmable Voltage and Current Sources Programmable AttenuatorsPRODUCT HIGHLIGHTS Low Power, Single Supply Operation. This part operates from a single +2.7 V to +5.5 V supply and typically consumes 15 mW at 5 V, making it ideal for battery powered applications. The on-chip output buffer amplifiers allow the outputs of the DACs to swing rail to rail with a settling time of typically 1.2 µs. Internal or external reference capability. High speed parallel interface. Power-Down Capability. When powered down the DAC consumes less than 1 µA at 25°C. Packaged in 20-lead DIP, SOIC and TSSOP packages.

The AD7303 is a dual, 8-bit voltage out DAC that operates from a single +2.7 V to +5.5 V supply. Its on-chip precision output buffers allow the DAC outputs to swing rail to rail. This device uses a versatile 3-wire serial interface that operates at clock rates up to 30 MHz, and is compatible with QSPI, SPI, microwire and digital signal processor interface standards. The serial input register is sixteen bits wide; 8 bits act as data bits for the DACs, and the remaining eight bits make up a control register.The on-chip control register is used to address the relevant DAC, to power down the complete device or an individual DAC, to select internal or external reference and to provide a synchronous loading facility for simultaneous update of the DAC outputs with a software LDAC function.The low power consumption of this part makes it ideally suited to portable battery operated equipment. The power consumption is 7.5 mW max at 3 V, reducing to less than 3 µW in full power-down mode.The AD7303 is available in an 8-pin plastic dual in-line package, 8-lead SOIC and microSOIC packages.

The AD7470/AD7472 are 10-bit /12-bit high speed, low power, successive-approximation ADCs. The parts operate from a single 2.7 V to 5.25 V power supply and feature throughput rates up to 1.5 MSPS for the 12-bit AD7472 and up to 1.75 MSPS for the 10-bit AD7470. The parts contain a low-noise, wide bandwidth track/hold amplifier which can handleinput frequencies in excess of 20 MHz.The conversion process and data acquisition are controlledusing standard control inputs, allowing easy interfacing tomicroprocessors or DSPs. The input signal is sampled on thefalling edge of CONVST, and conversion is also initiated atthis point. BUSY goes high at the start of conversion andgoes low 531.66 ns after falling edge of CONVST (AD7472with a clock frequency of 26 MHz) to indicate that the conversionis complete. There are no pipeline delays associatedwith the parts. The conversion result is accessed via standardCS and RD signals over a high speed parallel interface.The AD7470/AD7472 use advanced design techniques toachieve very low power dissipation at high throughput rates. With3 V supplies and 1.5 MSPS throughput rates, the AD7470typically consumes, on average, just 1.1 mA. With 5 V suppliesand 1.75 MSPS, the average current consumption is typically1.6 mA. The part also offers flexible power/throughput ratemanagement. Operating the AD7470 with 3 V supplies and500 kSPS throughput reduces the current consumption to 713 μA.At 5 V supplies and 500 kSPS, the part consumes 944 μA.It is also possible to operate the parts in an auto sleep mode,where the part wakes up to do a conversion and automaticallyenters sleep mode at the end of conversion. This method allowsvery low power dissipation numbers at lower throughput rates.In this mode, the AD7472 can be operated with 3 V supplies at100 kSPS, and consume an average current of just 124 μA. At5 V supplies and 100 kSPS, the average current consumption is171 μA.The analog input range for the part is 0 V to REF IN. The 2.5 Vreference is applied externally to the REF IN pin. The conversionrate is determined by the externally-applied clock.ol { margin-top:0px; margin-right:0px; margin-bottom:0px; margin-left:25px; padding-top:0px; padding-right:0px; padding-bottom:10px; padding-left:0px;}li { padding-top:0px; padding-right:0px; padding-bottom:5px; padding-left:0px; margin-top:0px; margin-right:0px; margin-bottom:0px; margin-left:0px;}Product HighlightsHigh Throughput with Low Power Consumption. TheAD7470 offers 1.75 MSPS throughput and the AD7472offers 1.5 MSPS throughput rates with 4 mW powerconsumption.Flexible Power/Throughput Rate Management. The conversionrate is determined by an externally-applied clock allowingthe power to be reduced as the conversion rate is reduced.The part also features an auto sleep mode to maximize powerefficiency at lower throughput rates.No Pipeline Delay. The part features a standard successiveapproximation ADC with accurate control of the samplinginstant via a CONVST input and once off conversion control.

The AD7628 is a monolithic dual 8-bit digital/analog converter featuring excellent DAC-to-DAC matching. It is available in small 0.3' wide 20-pin DIPs and in 20-terminal surface mount packages.Separate on-chip latches are provided for each DAC to allow easy microprocessor interface. Data is transferred into either of the two DAC data latches via a common 8-bit TTL/CMOS compatible input port. Control input DAC A/DAC B determines which DAC is to be loaded. The AD7628's load cycle is similar to the write cycle of a random access memory, and the device is bus compatible with most 8-bit microprocessors, including 6502, 6809, 8085, Z80. The device operates from a +12 V to +15 V power supply and is TTL-compatible over this range. Power dissipation is a low 20 mW. Both DACs offer excellent four quadrant multiplication characteristicswith a separate reference input and feedback resistor for each DAC. APPLICATIONS Disk Drives Programmable Filters X-Y Graphics Gain/Attenuation

The AD767 is a complete voltage output 12-bit digital-to-analog converter including high stability buried Zener reference and input latch on a single chip. The converter uses 12 precision high-speed bipolar current steering switches and a laser-trimmed thin-film resistor network to provide high accuracy.Microprocessor compatibility is achieved by the on-chip latch. The design of the input latch allows direct interface to 12-bit buses. The latch responds to strobe pulses as short as 40 ns, allowing use with the fastest available microprocessors.The functional completeness and high performance of the AD767 result from a combination of advanced switch design, high-speed bipolar manufacturing process, and the proven laser wafer-trimming (LWT) technology.The subsurface (buried) Zener diode on the chip provides a low-noise voltage reference which has long-term stability and temperature drift characteristics comparable to the best discrete reference diodes. The laser trimming process which provides the excellent linearity is also used to trim the absolute value of the reference as well as its temperature coefficient. The AD767 is thus well suited for wide temperature range performance with ±½ LSB maximum linearity error and guaranteed monotonicity over the full temperature range. Typical full-scale gain is 5 ppm/ºC.

The AD7845 is the industry's first 4-quadrant multiplying D/A converter with an on-chip amplifier. It is fabricated on the LC2MOS process, which allows precision linear components and digital circuitry to be implemented on the same chip.The 12 data inputs drive latches which are controlled by standard CS and WR signals, making microprocessor interfacing simple. For stand-alone operation, the CS and WR inputs can be tied to ground, making all latches transparent. All digital inputs are TTL and 5 V CMOS compatible.The output amplifier can supply ±10 V into a 2k(ohm) load. It is internally compensated, and its input offset voltage is low due to laser trimming at wafer level. For normal operation, RFB is tied to VOUT, but the user may alternatively choose RA, RB or RC to scale the output voltage range.

The AD7943, AD7945 and AD7948 are fast 12-bit multiplying DACs that operate from a single +5 V supply (Normal Mode) and a single +3.3 V to +5 V supply (Biased Mode). The AD7943 has a serial interface, the AD7945 has a 12-bit parallel interface, and the AD7948 has an 8-bit byte interface. They will replace the industry-standard AD7543, AD7545 and AD7548 in many applications, and they offer superior speed and power consumption performance.The AD7943 is available in 16-pin DIP, 16-pin SOP (Small Outline Package) and 20-pin SSOP (Shrink Small Outline Package).The AD7945 is available in 20-pin DIP, 20-pin SOP and 20-pin SSOP.The AD7948 is available in 20-pin DIP, 20-pin SOP and 20-pin SSOP.APPLICATIONS Battery-Powered Instrumentation Laptop Computers Upgrades for All 754x Series DACs (5 V Designs)

The AD795 is a low noise, precision, FET input operational amplifier. It offers both the low voltage noise and low offset drift of a bipolar input op amp and the very low bias current of a FET-input device. The 1014 Ω common-mode impedance insures that input bias current is essentially independent of common-mode voltage and supply voltage variations.The AD795 has both excellent dc performance and a guaranteed and tested maximum input voltage noise. It features 2 pA maximum input bias current and 500 μV maximum offset voltage, along with low supply current of 1.5 mA maximum.Furthermore, the AD795 features a guaranteed low input noise of 3.3 μV P-P (0.1 Hz to 10 Hz) and a 11 nV/√Hz maximum noise level at 10 kHz. The AD795 has a fully specified and tested input offset voltage drift of only 10 μV/°C maximum.The AD795 is useful for many high input impedance, low noise applications. The AD795 is rated over the commercial temperature range of 0°C to +70°C.The AD795 is available in an 8-lead SOIC package.Applications Low noise photodiode preamps CT scanners Precision l-to-V converters

The AD8018 is a dual, high speed, low cost amplifier capable of driving low distortion signals to within 0.5 V of the supply rail. It is intended for use in single supply xDSL systems where low distortion and low cost is essential, and maximum reach on the line must be attained with the minimum of supply voltages. Each amplifier drives minimum 350 mA of output current and while maintaining -95 dBc of SFDR at 100 kHz, outstanding performance for any xDSL CPE application. The AD8018 is available with flexible standby and shutdown modes. Two bit control (1.5 V threshold referenced to DGND) will put the AD8018 into a full power standby (outputs low impedance) and shutdown (outputs high impedance).Fabricated in ADI's high speed XFCB process, the high bandwidth and fast slew rate of the AD8018 keep distortion to a minimum, while dissipating a minimum of power. The quiescent current of the AD8018 is low 9 mA/amplifier max. Low distortion, high output voltage drive, and high output current drive in small packages make the AD8018 ideal for use in low cost USB, PCMCIA and PCI Customer Premise Equipment for ADSL, SDSL, VDSL and proprietary xDSL systems.An evaluation board is available for this product and may be ordered using the following product number AD8018ARU-EVAL.

The OP282/OP482 dual and quad operational amplifiers feature excellent speed at exceptionally low supply currents. Slew rate exceeds 7 V/µs with supply current under 250 µA per amplifier. these unity gain stable amplifiers have a typical gain bandwidth of 4 MHz.The JFET input stage of the OP282/OP482 insures bias current is typically a few piocamps and below 500 pA over the full temperature range. Offset voltage is under 3 mV for the dual and under 4 mV for the quad.With a wide output swing, within 1.5 volts of each supply, low power consumption and high slew rate, the OP282/OP482 are ideal for battery-powered systems or power restricted applications. An input common-mode range that includes the positive supply makes the OP282/OP482 an excellent choice for high-side signal conditioning.The Op282/OP482 are specified over the extended industrial temperature range. Both dual and quad amplifiers are available in plastic and ceramic DIP plus SOIC surface mount packages.