The ADP3338 is a member of the ADP330x family ofprecision low dropout anyCAP® voltage regulators. The ADP3338 operates with an input voltage range of +2.7 V to +8 V and delivers a load current up to 1 A. The ADP3338 stands out from the conventional LDOs with a novel architecture and an enhanced process that enables it to offer performance advantages and higher output currentthan its competition. Its patented design requires only a 1.0 µF output capacitor for stability. This device is insensitive to output capacitor Equivalent Series Resistance (ESR), and is stable with any good quality capacitor, including ceramic (MLCC) types for space-restricted applications.The ADP3338 achieves exceptional accuracy of ±0.9% at room temperature and ±1.8% over temperature, line and load variations. The dropout voltage of the ADP3338 is only 200 mV (typical) at 1 A. This device also includes a safety current limit and thermal overload protection. The ADP3338 has ultralow quiescent current 130 µA (typ) in light load situations.APPLICATIONS  Notebook, palmtop computers SCSI terminators Battery-powered systems Bar code scanners Camcorders, cameras Home entertainment systems Networking systems DSP/ASIC supplies

The ADSP-21062 and ADSP-21060 SHARC DSPs are signal processing microcomputers that offer new capabilities and levels of performance. The ADSP-2106x SHARCs are 32-bit processors optimized for high performance DSP applications. The ADSP-2106x builds on the ADSP-21000 DSP core to form a complete system-on-a-chip, adding a dual-ported on-chip SRAM and integrated I/O peripherals supported by a dedicated I/O bus. Fabricated in a high speed, low power CMOS process, the ADSP-2106x has a 25 ns instruction cycle time and operates at 40 MIPS. With its on-chip instruction cache, the processor can execute every instruction in a single cycle.The ADSP-2106x SHARC DSP represents a new standard of integration for signal computers, combining a high performance floating-point DSP core with integrated, on-chip system features including a 4 Mbit SRAM memory (2 Mbit on the ADSP-21062, 1 Mbit on the ADSP-21061), host processor interface, DMA controller, serial ports, and link port and parallel bus connectivity for glueless DSP multiprocessing.

The ADuC816 is a complete smart transducer front-end, integratingtwo high-resolution sigma-delta ADCs, an 8-bit MCU,and program/data Flash/EE Memory on a single chip. This lowpower device accepts low-level signals directly from a transducer.The two independent ADCs (Primary and Auxiliary) include atemperature sensor and a PGA (allowing direct measurement oflow-level signals). The ADCs with on-chip digital filtering areintended for the measurement of wide dynamic range, lowfrequency signals, such as those in weigh scale, strain gauge,pressure transducer, or temperature measurement applications.The ADC output data rates are programmable and the ADCoutput resolution will vary with the programmed gain andoutput rate.The device operates from a 32 kHz crystal with an on-chip PLLgenerating a high-frequency clock of 12.58 MHz. This clock is,in turn, routed through a programmable clock divider from whichthe MCU core clock operating frequency is generated. Themicrocontroller core is an 8052 and therefore 8051-instructionset-compatible.The microcontroller core machine cycle consistsof 12 core clock periods of the selected core operating frequency.8 Kbytes of nonvolatile Flash/EE program memory are providedon-chip. 640 bytes of nonvolatile Flash/EE data memory and256 bytes RAM are also integrated on-chip.The ADuC816 also incorporates additional analog functionalitywith a 12-bit DAC, current sources, power supply monitor,and a bandgap reference. On-chip digital peripherals include awatchdog timer, time interval counter, three timers/counters,and three serial I/O ports (SPI, UART, and I2C-compatible).On-chip factory firmware supports in-circuit serial download anddebug modes (via UART), as well as single-pin emulation modevia the EA pin.The part operates from a single 3 V or 5 V supply. When operatingfrom 3 V supplies, the power dissipation for the part is below10 mW. The ADuC816 is housed in a 52-lead MQFP package.The part operates from a single 3 V or 5 V supply. When operatingfrom 3 V supplies, the power dissipation for the part is below10 mW. The ADuC816 is housed in 52-lead MQFP and 56-leadLFCSP packages.Applications Intelligent Sensors (IEEE1451.2-Compatible) Weigh Scales Portable Instrumentation Pressure Transducers 4–20 mA Transmitters

The ADuC841/ADuC842/ADuC843 are complete smart transducer front ends, that integrates a high performance self-calibrating multichannel ADC, a dual DAC, and an optimized single-cycle 20 MHz 8-bit MCU (8051 instruction set compatible)on a single chip.The ADuC841 and ADuC842 are identical with the exception of the clock oscillator circuit; the ADuC841 is clocked directly from an external crystal up to 20 MHz whereas the ADuC842 uses a 32 kHz crystal with an on-chip PLL generating a programmable core clock up to 16.78 MHz.The ADuC843 is identical to the ADuC842 except that the ADuC843 has no analog DAC outputs.The microcontroller is an optimized 8052 core offering up to 20 MIPS peak performance. Three different memory options are available offering up to 62 kBytes of nonvolatile Flash/EE program memory. Four kBytes of nonvolatile Flash/EE data memory, 256 bytes RAM, and 2 kBytes of extended RAM are also integrated on-chip. The parts also incorporate additional analog functionality with two 12-bit DACs, power supply monitor, and a band gap reference. On-chip digital peripherals include two 16-bit Σ-Δ. DACs, a dual output 16-bit PWM, a watchdog timer, a time interval counter, three timers/counters, and three serial I/O ports (SPI, I2C, and UART).On the ADuC812 and the ADuC832, the I2C and SPI interfaces share some of the same pins. For backwards compatibility, this is also the case for the ADuC841/ADuC842/ADuC843.However, there is also the option to allow SPI operate separately on P3.3, P3.4, and P3.5, while I2C uses the standard pins. The I2C interface has also been enhanced to offer repeated start, general call, and quad addressing.On-chip factory firmware supports in-circuit serial download and debug modes (via UART) as well as single-pin emulation mode via the EA pin..Applications Optical networking—laser power control Base station systems Precision instrumentation, smart sensors Transient capture systems DAS and communications systems

The DAC08 series of 8-bit monolithic digital-to-analog convertersprovide very high speed performance coupled with low costand outstanding applications flexibility.Advanced circuit design achieves 85 ns settling times with verylow glitch energy and at low power consumption. Monotonicmultiplying performance is attained over a wide 20 to 1 referencecurrent range. Matching to within 1 LSB between reference andfull-scale currents eliminates the need for full-scale trimming inmost applications.Direct interface to all popular logic families with full noiseimmunity is provided by the high swing, adjustable thresholdlogic input.High voltage compliance complementary current outputs areprovided, increasing versatility and enabling differential operationto effectively double the peak-to-peak output swing. In manyapplications, the outputs can be directly converted to voltagewithout the need for an external op amp. All DAC08 series modelsguarantee full 8-bit monotonicity, and nonlinearities as tight as±0.1% over the entire operating temperature range are available.Device performance is essentially unchanged over the ±4.5 V to±18 V power supply range, with 33 mW power consumptionattainable at ±5 V supplies.The compact size and low power consumption make the DAC08attractive for portable and military/aerospace applications;devices processed to MIL-STD-883, Level B are available.DAC08 applications include 8-bit, 1 µs A/D converters, servomotor and pen drivers, waveform generators, audio encodersand attenuators, analog meter drivers, programmable powersupplies, LCD display drivers, high speed modems, and otherapplications where low cost, high speed, and completeinput/output versatility are required.

The LTC2801/LTC2802/LTC2803/LTC2804 are single and dual RS-232 transceivers in narrow SSOP and chip-scale DFN packages. All operate over a supply range of 1.8V to 5.5V, which permits operation directly from two alkaline, NiCd or NiMH cells. An integrated DC-to-DC converter generates power supplies for driving RS-232 levels. A logic supply pin allows easy interfacing with different logic levels independent of the DC-DC supply.These parts are compatible with the TIA/EIA-232-F standard. Driver outputs are protected from overload and can be shorted to ground or up to ±15V without damage. To extend battery life, receivers can be kept active, operating at reduced speed, with only 15μA current. In shutdown mode, current is further reduced to 1μA. Part Number Driver & Receivers Max Data Rate Modes Package LTC2801 1 + 1 0.25Mbps SD, RA, DD, AO DFN-12 LTC2802 1 + 1 1Mbps SD, RA, DD, AO DFN - 12 LTC2803 2 + 2 0.25Mbps SD, RA, DD, AO DFN-16 LTC2803-1 2 + 2 0.25Mbps SD, AO SSOP-16 LTC2804 2 + 2 1Mbps SD, RA, DD, AO DFN-16 LTC2804-1 2 + 2 1Mbps SD, AO SSOP-16 Applications Battery-Powered Systems Computers and Consumer Electronics Diagnostic Ports

The LTC2607/LTC2617/LTC2627 are dual 16-, 14- and 12-bit, 2.7V to 5.5V rail-to-rail voltage output DACs in a 12-lead DFN package. They have built-in high performance output buffers and are guaranteed monotonic.These parts establish new board-density benchmarks for 16- and 14-bit DACs and advance performance standards for output drive and load regulation in single-supply, voltage-output DACs.The parts use a 2-wire, I2C compatible serial interface. The LTC2607/LTC2617/LTC2627 operate in both the standard mode (clock rate of 100kHz) and the fast mode (clock rate of 400kHz). An asynchronous DAC update pin (LDAC) is also included.The LTC2607/LTC2617/LTC2627 incorporate a power-on reset circuit. During power-up, the voltage outputs rise less than 10mV above zero scale; and after power-up, they stay at zero scale until a valid write and update take place. The power-on reset circuit resets the LTC2607-1/LTC2617-1/ LTC2627-1 to mid-scale. The voltage outputs stay at midscale until a valid write and update takes place.Applications Mobile Communications Process Control and Industrial Automation Instrumentation Automatic Test Equipment

The LTC2484 combines a 24-bit No Latency ΔΣ™ analog-to-digital converter with patented Easy Drive™ technology. The patented sampling scheme eliminates dynamic input current errors and the shortcomings of on-chip buffering through automatic cancellation of differential input current. This allows large external source impedances and input signals with rail-to-rail input range to be directly digitized while maintaining exceptional DC accuracy.The LTC2484 includes an on-chip oscillator. The LTC2484 can be configured to reject line frequencies. 50Hz, 60Hz or simultaneous 50Hz/60Hz line frequency rejection can be selected as well as a 2× speed-up mode.The LTC2484 allows a wide common mode input range (0V to VCC) independent of the reference voltage. The reference can be as low as 100mV or can be tied directly to VCC. The LTC2484 includes an on-chip trimmed oscillator, eliminating the need for external crystals or oscillators. Absolute accuracy and low drift are automatically maintained through continuous, transparent, offset and full-scale calibration.Applications Direct Sensor Digitizer Weight Scales Direct Temperature Measurement Strain Gauge Transducers Instrumentation Industrial Process Control DVMs and Meters

The REF19x series precision band gap voltage references use a patented temperature drift curvature correction circuit and laser trimming of highly stable, thin-film resistors to achieve a very low temperature coefficient and high initial accuracy.The REF19x series is made up of micropower, low dropout voltage (LDV) devices, providing stable output voltage from supplies as low as 100 mV above the output voltage and consuming less than 45 μA of supply current. In sleep mode, which is enabled by applying a low TTL or CMOS level to the SLEEP pin, the output is turned off, and supply current is further reduced to less than 15 µA.The REF19x series references are specified over the extended industrial temperature range (−40°C to +85°C), with typical performance specifications over −40°C to +125°C for applications such as automotive.All electrical grades are available in an 8-lead SOIC_N package; the PDIP and TSSOP packages are available only in the lowest electrical grade. Products are also available in die form.APPLICATIONS Portable instruments ADCs and DACs Smart sensors Solar-powered applications Loop current-powered instruments

The REF19x series precision band gap voltage references use a patented temperature drift curvature correction circuit and laser trimming of highly stable, thin-film resistors to achieve a very low temperature coefficient and high initial accuracy.The REF19x series is made up of micropower, low dropout voltage (LDV) devices, providing stable output voltage from supplies as low as 100 mV above the output voltage and consuming less than 45 μA of supply current. In sleep mode, which is enabled by applying a low TTL or CMOS level to the SLEEP pin, the output is turned off and supply current is further reduced to less than 15 μA.The REF19x series references are specified over the extended industrial temperature range (−40°C to +85°C) with typical performance specifications over −40°C to +125°C for applications, such as automotive.All electrical grades are available in an 8-lead SOIC package; the PDIP and TSSOP packages are available only in the lowest electrical grade.APPLICATIONS Portable instruments ADCs and DACs Smart sensors Solar powered applications Loop-current-powered instruments