The AD7142 and AD7142-1 are integrated capacitance-to-digital converters (CDCs) with on-chip environmental calibration for use in systems requiring a novel user input method. The AD7142 and AD7142-1 can interface to external capacitance sensors implementing functions such as capacitive buttons, scroll bars, or wheels.The CDC has 14 inputs channeled through a switch matrix to a 16-bit, 250 kHz sigma-delta (∑-Δ) capacitance-to-digital converter. The CDC is capable of sensing changes in the capacitance of the external sensors and uses this information to register a sensor activation. The external sensors can be arranged as a series of buttons, as a scroll bar or wheel, or as a combination of sensor types. By programming the registers, the user has full control over the CDC setup. High resolution sensors require minor software to run on the host processor. The AD7142 and AD7142-1 have on-chip calibration logic to account for changes in the ambient environment. The calibration sequence is performed automatically and at continuous intervals, when the sensors are not touched. This ensures that there are no false or nonregistering touches on the external sensors due to a changing environment.The AD7142 has an SPI-compatible serial interface, and the AD7142-1 has an I2C-compatible serial interface. Both parts have an interrupt output, as well as a general-purpose input/ output (GPIO). The AD7142 and AD7142-1 are available in a 32-lead, 5 mm × 5 mm LFCSP_VQ and operate from a 2.6 V to 3.6 V supply. The operating current consumption is less than 1 mA, falling to 50 μA in low power mode (conversion interval of 400 ms).ApplicationsPersonal music and multimedia playersCell phonesDigital still camerasSmart hand-held devicesTelevision, A/V, and remote controlsGaming consoles

The SSM2305 is a fully integrated, high efficiency, Class-Daudio amplifier designed to maximize performance for mobilephone applications. The application circuit requires a minimumof external components and operates from a single 2.5 V to 5.5 Vsupply. It is capable of delivering 2.2 W of continuous outputpower with less than 1% THD + N driving a 4 Ω load from a5.0 V supply. It has built-in thermal shutdown and output short-circuitprotection.The SSM2305 features a high efficiency, low noise modulationscheme that does not require external LC output filters. The modulationprovides high efficiency even at low output power. TheSSM2305 operates with 90% efficiency at 1.3 W into 8 Ω or 83%efficiency at 2.2 W into 4 Ω from a 5.0 V supply and has an SNR of>98 dB. Spread-spectrum pulse density modulation is used toprovide lower EMI-radiated emissions compared with otherClass-D architectures.The SSM2305 has a micropower shutdown mode with a maximumshutdown current of 30 nA. Shutdown is enabled by applyinga Logic 0 to the SD pin. The device also includes pop-and-clicksuppression circuitry. This minimizes voltage glitches at theoutput during turn-on and turn-off, thus reducing audible noiseon activation and deactivation.The fully differential input of the SSM2305 provides excellentrejection of common-mode noise on the input. Input couplingcapacitors can be omitted if the dc input common-mode voltageis approximately VDD/2.The SSM2305 has excellent rejection of power supply noise,including noise caused by GSM transmission bursts and RFrectification. PSRR is typically 60 dB at 217 Hz.The default gain of the SSM2305 is 18 dB, but users can reduce thegain by using a pair of external resistors.The SSM2305 is specified over the commercial temperature range(−40°C to +85°C). It is available in both an 8-lead, 3 mm × 3 mmlead frame chip scale package (LFCSP) and an 8-lead mini smalloutline package (MSOP). Applications Mobile phones MP3 players Portable gaming Portable electronics Educational toys

The SSM2317 is a fully integrated, high efficiency, Class-D audioamplifier. It is designed to maximize performance for mobilephone applications. The application circuit requires a minimumof external components and operates from a single 2.5 V to 5.5 Vsupply. It is capable of delivering 3 W of continuous outputpower with 93 dB. Spread-spectrum pulse density modulation is used toprovide lower EMI radiated emissions compared with otherClass-D architectures.Automatic level control (ALC) can be activated to suppressclipping and improve dynamic range. This feature only requiresone external resistor tied to GND via the VTH pin and anactivation voltage on the ALC_EN pin.The SSM2317 has a micropower shutdown mode with a typicalshutdown current of 20 nA. Shutdown is enabled by applyinga logic low to the SD pin.The device also includes pop-and-click suppression circuitry. Thisminimizes voltage glitches at the output during turn-on and turn-off,reducing audible noise on activation and deactivation.The default gain of the SSM2317 is 18 dB, but users can reduce thegain by using a pair of external resistors.The SSM2317 is specified over the commercial temperature rangeof −40°C to +85°C. It has built-in thermal shutdown and outputshort-circuit protection. It is available in a 9-ball, 1.5 mm × 1.5 mmwafer level chip scale package (WLCSP).Applications Mobile phones MP3 players Portable gaming Portable electronics Educational toys

The SSM2317 is a fully integrated, high efficiency, Class-D audioamplifier. It is designed to maximize performance for mobilephone applications. The application circuit requires a minimumof external components and operates from a single 2.5 V to 5.5 Vsupply. It is capable of delivering 3 W of continuous outputpower with 93 dB. Spread-spectrum pulse density modulation is used toprovide lower EMI radiated emissions compared with otherClass-D architectures.Automatic level control (ALC) can be activated to suppressclipping and improve dynamic range. This feature only requiresone external resistor tied to GND via the VTH pin and anactivation voltage on the ALC_EN pin.The SSM2317 has a micropower shutdown mode with a typicalshutdown current of 20 nA. Shutdown is enabled by applyinga logic low to the SD pin.The device also includes pop-and-click suppression circuitry. Thisminimizes voltage glitches at the output during turn-on and turn-off,reducing audible noise on activation and deactivation.The default gain of the SSM2317 is 18 dB, but users can reduce thegain by using a pair of external resistors.The SSM2317 is specified over the commercial temperature rangeof −40°C to +85°C. It has built-in thermal shutdown and outputshort-circuit protection. It is available in a 9-ball, 1.5 mm × 1.5 mmwafer level chip scale package (WLCSP).Applications Mobile phones MP3 players Portable gaming Portable electronics Educational toys

The TMP05 / TMP06 are monolithic temperature sensors that generate a modulated serial digital output (PWM), which varies in direct proportion to the temperature of the devices. The high period (TH) of the PWM remains static over all temperatures, while the low period (TL) varies. The B Grade version offers a high temperature accuracy of ±1°C from 0°C to 70°C with excellent transducer linearity. The digital output of the TMP05 / TMP06 is CMOS-/TTL-compatible and is easily interfaced to the serial inputs of most popular microprocessors. The flexible open-drain output of the TMP06 is capable of sinking 5 mA.The TMP05 / TMP06 are specified for operation at supply voltages from 3 V to 5.5 V. Operating at 3.3 V, the supply current is typically 370 μA. The TMP05 / TMP06 are rated for operation over the –40°C to +150°C temperature range. It is not recommended to operate these devices at temperatures above 125°C for more than a total of 5% (5,000 hours) of the lifetime of the devices. They are packaged in low cost, low area SC-70 and SOT-23 packages.The TMP05 / TMP06 have three modes of operation: continuously converting mode, daisy-chain mode, and one shot mode. A three-state FUNC input determines the mode in which the TMP05 / TMP06 operate.The CONV/IN input pin is used to determine the rate at which the TMP05 / TMP06 measures temperature in continuously converting mode and one shot mode. In daisy-chain mode the, CONV/IN pin operates as the input to the daisy chain.PRODUCT HIGHLIGHTS The TMP05/TMP06 have an on-chip temperature sensor that allows an accurate measurement of the ambient temperature. The measurable temperature range is –40°C to +150°C. Supply voltage is 3 V to 5.5 V. Space-saving 5-lead SOT-23 and SC-70 packages. Temperature accuracy is typically ±0.5°C. Each part needs a decoupling capacitor to achieve this accuracy. Temperature resolution of 0.025°C. The TMP05/TMP06 feature a one shot mode that reduces the average power consumption to 102 μW at 1 SPS.APPLICATIONS Isolated sensors Environmental control systems Computer thermal monitoring Thermal protection Industrial process control Power-system monitors

The AD22100 is a monolithic temperature sensor with on-chip signal conditioning. It can be operated over the temperature range -50°C to +150°C, making it ideal for use in numerous HVAC, instrumentation and automotive applications.The signal conditioning eliminates the need for any trimming, buffering or linearization circuitry, greatly simplifying the system design and reducing the overall system cost.The output voltage is proportional to the temperature times the supply voltage (ratiometric). The output swings from 0.25 V at -50°C to +4.75 V at +150°C using a single +5.0 V supply.Due to its ratiometric nature, the AD22100 offers a cost effective solution when interfacing to an analog-to-digital converter. This is accomplished by using the ADC's +5 V power supply as a reference to both the ADC and the AD22100 (See Figure 2 of the datasheet), eliminating the need for and cost of a precision reference to both the ADC and the AD22100 eliminating the need for and cost of a precision reference (see Figure 2).APPLICATIONS HVAC systems System temperature compensation Board level temperature sensing Electronic thermostatsMARKETS Industrial process control Instrumentation Automotive

The AD5025 / AD5045 / AD5065 are low power, dual 12-/14-/16-bitbuffered voltage output nanoDAC® DACs offering relative accuracyspecifications of ±1 LSB INL with individual reference pins, andcan operate from a single 4.5 V to 5.5 V supply. The AD5025 /AD5045 / AD5065 also offer a differential accuracy specification of±1 LSB. The parts use a versatile 3-wire, low power Schmitttrigger serial interface that operates at clock rates up to 50 MHzand is compatible with standard SPI®, QSPI™, MICROWIRE™,and DSP interface standards. The reference for the AD5025 /AD5045 / AD5065 are supplied from an external pin and a reference buffer is provided on chip. The AD5025 / AD5045 / AD5065incorporate a power-on reset circuit that ensures the DAC outputpowers up zero scale or midscale and remains there until a validwrite takes place to the device. The AD5025 / AD5045 / AD5065contain a power-down feature that reduces the current consumptionof the device to typically 400 nA at 5 V and provides softwareselectable output loads while in power-down mode. The parts areput into power-down mode over the serial interface. Total unadjustederror for the parts is <2.5 mV. The parts exhibit very lowglitch on power-up. The outputs of all DACs can be updatedsimultaneously using the LDAC function, with the addedfunctionality of user-selectable DAC channels to simultaneouslyupdate. There is also an asynchronous CLR that clears all DACsto a software-selectable code—0 V, midscale, or full scale. Theparts also feature a power-down lockout pin, PDL, which can beused to prevent the DAC from entering power-down under anycircumstances over the serial interface.Product Highlights Dual channel available in a 14-lead TSSOP package with individual voltage reference pins. 12-/14-/16-bit accurate, ±1 LSB INL. Low glitch on power-up. High speed serial interface with clock speeds up to 50 MHz. Three power-down modes available to the user. Reset to known output voltage (zero scale or midscale). Power-down lockout capability. Applications Process controls Data acquisition systems Portable battery-powered instruments Digital gain and offset adjustment Programmable voltage and current sources Programmable attenuators

The AD5025 / AD5045 / AD5065 are low power, dual 12-/14-/16-bitbuffered voltage output nanoDAC® DACs offering relative accuracyspecifications of ±1 LSB INL with individual reference pins, andcan operate from a single 4.5 V to 5.5 V supply. The AD5025 /AD5045 / AD5065 also offer a differential accuracy specification of±1 LSB. The parts use a versatile 3-wire, low power Schmitttrigger serial interface that operates at clock rates up to 50 MHzand is compatible with standard SPI®, QSPI™, MICROWIRE™,and DSP interface standards. The reference for the AD5025 /AD5045 / AD5065 are supplied from an external pin and a reference buffer is provided on chip. The AD5025 / AD5045 / AD5065incorporate a power-on reset circuit that ensures the DAC outputpowers up zero scale or midscale and remains there until a validwrite takes place to the device. The AD5025 / AD5045 / AD5065contain a power-down feature that reduces the current consumptionof the device to typically 400 nA at 5 V and provides softwareselectable output loads while in power-down mode. The parts areput into power-down mode over the serial interface. Total unadjustederror for the parts is <2.5 mV. The parts exhibit very lowglitch on power-up. The outputs of all DACs can be updatedsimultaneously using the LDAC function, with the addedfunctionality of user-selectable DAC channels to simultaneouslyupdate. There is also an asynchronous CLR that clears all DACsto a software-selectable code—0 V, midscale, or full scale. Theparts also feature a power-down lockout pin, PDL, which can beused to prevent the DAC from entering power-down under anycircumstances over the serial interface.Product Highlights Dual channel available in a 14-lead TSSOP package with individual voltage reference pins. 12-/14-/16-bit accurate, ±1 LSB INL. Low glitch on power-up. High speed serial interface with clock speeds up to 50 MHz. Three power-down modes available to the user. Reset to known output voltage (zero scale or midscale). Power-down lockout capability. Applications Process controls Data acquisition systems Portable battery-powered instruments Digital gain and offset adjustment Programmable voltage and current sources Programmable attenuators

The AD5258 provides a compact, nonvolatile 3 mm × 4.9 mm packaged solution for 64-position adjustment applications. These devices perform the same electronic adjustment function as mechanical potentiometers or variable resistors, but with enhanced resolution and solid-state reliability.The wiper settings are controllable through an I2C-compatible digital interface that is also used to read back the wiper register and EEPROM content in addition, resistor tolerance is stored within EEPROM, providing an end-to-end tolerance accuracy of 0.1%. There is also a software write protection function that ensures data cannot be written to the EEPROM register.A separate VLOGIC pin delivers increased interface flexibility. For users who need multiple parts on one bus, Address Bit AD0 and Address Bit AD1 allow up to four devices on the same bus.APPLICATIONS LCD panel VCOM adjustment LCD panel brightness and contrast control Mechanical potentiometer replacement in new designs Programmable power supplies RF amplifier biasing Automotive electronics adjustment Gain control and offset adjustment Fiber to the home systems Electronics level settings

The AD5280/AD5282 are single-channel and dual-channel, 256-position, digitally controlled variable resistors (VRs)2. The devices perform the same electronic adjustment function as a potentiometer, trimmer, or variable resistor. Each VR offers a completely programmable value of resistance between the A terminal and the wiper or the B terminal and the wiper. The fixed A-to-B terminal resistance of 20 kΩ, 50 kΩ, or 200 kΩ has a 1% channel-to-channel matching tolerance. The nominal temperature coefficient of both parts is 30 parts per million/ degrees centigrade (ppm/°C). Another key feature is that the parts can operate up to +15 V or ±5 V.Wiper position programming defaults to midscale at system power-on. When powered, the VR wiper position is programmed by an I2C-compatible, 2-wire serial data interface. The AD5280/ AD5282 feature sleep mode programmability. This allows any level of preset in power-up and is an alternative to a costly EEPROM solution. Both parts have additional programmable logic outputs that enable users to drive digital loads, logic gates, LED drivers, and analog switches in their system.The AD5280/AD5282 are available in thin, surface-mounted 14-lead TSSOP and 16-lead TSSOP. All parts are guaranteed to operate over the extended industrial temperature range of −40°C to +85°C. For 3-wire SPI-compatible interface applica-tions, see the AD5260/AD5262 product information on www.analog.com.Applications Multimedia, video, and audio Communications Mechanical potentiometer replacement Instrumentation: gain, offset adjustment Programmable voltage source Programmable current source Line impedance matching1 Assert shutdown and program the device during power-up, then deassert the shutdown to achieve the desired preset level.2 The terms digital potentiometer, VR, and RDAC are used interchangeably.