The ADA4930-1/ADA4930-2 are very low noise, low distortion, high speed differential amplifiers. They are an ideal choice for driving 1.8 V high performance ADCs with resolutions up to 14 bits from dc to 70 MHz. The adjustable output common mode allows the ADA4930-1/ADA4930-2 to match the input of the ADC. The internal common-mode feedback loop provides exceptional output balance, suppression of even-order harmonic distortion products, and dc level translation.With the ADA4930-1/ADA4930-2, differential gain configurations are easily realized with a simple external feedback network of four resistors determining the closed-loop gain of the amplifier.The ADA4930-1/ADA4930-2 are fabricated using Analog Devices,Inc., proprietary silicon-germanium (SiGe), complementarybipolar process, enabling them to achieve very low levels of distortion with an input voltage noise of only 1.2 nV/√Hz.The low dc offset and excellent dynamic performance of theADA4930-1/ADA4930-2 make them well suited for a widevariety of data acquisition and signal processing applications.The ADA4930-1 is available in a Pb-free, 3 mm × 3 mm 16-leadLFCSP, and the ADA4930-2 is available in a Pb-free, 4 mm × 4 mm 24-lead LFCSP. The pinout has been optimized to facilitate printedcircuit board (PCB) layout and minimize distortion. TheADA4930-1 is specified to operate over the −40°C to +105°Ctemperature range, and the ADA4930-2 is specified to operate over the −40°C to +105°C temperature range for 3.3 V or 5 V supplyvoltages.Applications ADC drivers  Single-ended-to-differential converters  IF and baseband gain blocks  Differential buffers  Line drivers

The ADAU1401A is a complete, single-chip audio system with 28-/56-bit audio DSP, ADCs, DACs, and microcontroller-like control interfaces. Signal processing includes equalization, cross-over, bass enhancement, multiband dynamics processing, delay compensation, speaker compensation, and stereo image widening. This processing can be used to compensate for real-world limitations of speakers, amplifiers, and listening environments, providing dramatic improvements in perceived audio quality.The signal processing of the ADAU1401A is comparable to that found in high end studio equipment. Most processing is done in full 56-bit, double-precision mode, resulting in very good low level signal performance. The ADAU1401A is a fully programmable DSP. The easy to use SigmaStudio™ software allows the user to graphically configure a custom signal processing flow using blocks such as biquad filters, dynamics processors, level controls, and GPIO interface controls.The ADAU1401A programs can be loaded on power-up either from a serial EEPROM through its own self-boot mechanism or from an external microcontroller. On power-down, the current state of the parameters can be written back to the EEPROM from the ADAU1401A to be recalled the next time the program is run.Two Σ-Δ ADCs and four Σ-Δ DACs provide a 98.5 dB analog input to analog output dynamic. Each ADC has a THD + N of −83 dB, and each DAC has a THD + N of −90 dB. Digital input and output ports allow a glueless connection to additional ADCs and DACs. The ADAU1401A communicates through an I2C® bus or a 4-wire SPI port.APPLICATIONS Multimedia speaker systems MP3 player speaker docks Automotive head units Minicomponent stereos Digital televisions Studio monitors Speaker crossovers Musical instrument effects processors In-seat sound systems (aircraft/motor coaches)

The ADAU1961 is a low power, stereo audio codec that supports stereo 48 kHz record and playback at 35 mW from a 3.3 V analog supply. The stereo audio ADCs and DACs support sample rates from 8 kHz to 96 kHz as well as a digital volume control.The record path includes an integrated microphone bias circuit and six inputs. The inputs can be mixed and muxed before the ADC, or they can be configured to bypass the ADC. The ADAU1961 includes a stereo digital microphone input.The ADAU1961 includes five high power output drivers (two differential and three single-ended), supporting stereo head-phones, an earpiece, or other output transducer. AC-coupled or capless configurations are supported. Individual fine level controls are supported on all analog outputs. The output mixer stage allows for flexible routing of audio.The serial control bus supports the I2C and SPI protocols. The serial audio bus is programmable for I2S, left-/right-justified, and TDM modes. A programmable PLL supports flexible clock generation for all standard integer rates and fractional master clocks from 8 MHz to 27 MHzApplicationsAutomotive head unitsAutomotive amplifiersNavigation systemsRear-seat entertainment systems

The ADCLK854 is a 1.2 GHz/250 MHz LVDS/CMOS fanout buffer optimized for low jitter and low power operation. Possible configurations range from 12 LVDS to 24 CMOS outputs, including combinations of LVDS and CMOS outputs. Three control lines are used to determine whether fixed blocks of outputs (three banks of four) are LVDS or CMOS outputs.The ADCLK854 offers two selectable inputs and a sleep mode feature. The IN_SEL pin state determines which input is fanned out to all the outputs. The SLEEP pin enables a sleep mode to power down the device.The inputs accept various types of single-ended and differential logic levels including LVPECL, LVDS, HSTL, CML, and CMOS. Table 8 provides interface options for each type of connection.This device is available in a 48-pin LFCSP package. It is specified for operation over the standard industrial temperature range of −40°C to +85°C.APPLICATIONSLow jitter clock distributionClock and data signal restorationLevel translationWireless communicationsWired communicationsMedical and industrial imagingATE and high performance instrumentation

The ADCLK948 is an ultrafast clock fanout buffer fabricated on the Analog Devices, Inc., proprietary XFCB3 silicon germanium (SiGe) bipolar process. This device is designed for high speed applications requiring low jitter.The device has two selectable differential inputs via the IN_SEL control pin. Both inputs are equipped with center tapped, differential, 100 Ω on-chip termination resistors. The inputs accept dc-coupled LVPECL, CML, 3.3 V CMOS (single-ended), and ac-coupled 1.8 V CMOS, LVDS, and LVPECL inputs. A VREFx pin is available for biasing ac-coupled inputs. The ADCLK948 features eight full-swing emitter coupled logic(ECL) output drivers. For LVPECL (positive ECL) operation, bias VCC to the positive supply and VEE to ground. For ECL operation, bias VCC to ground and VEE to the negative supply.The output stages are designed to directly drive 800 mV eachside into 50 Ω terminated to VCC -2V for a total differential output swing of 1.6V. The ADCLK948 is available in a 32-lead LFCSP and specified for operation over the standard industrial temperature range of −40°C to +85°C.APPLICATIONS Low jitter clock distribution Clock and data signal restoration Level translation Wireless communications Wired communications Medical and industrial imaging ATE and high performance instrumentation

The ADG1414 is a monolithic complementary metal oxide semiconductor (CMOS) device containing eight independently selectable switches designed on an industrial CMOS (iCMOS®) process. iCMOS is a modular manufacturing process combining high voltage CMOS and bipolar technologies. iCMOS components can tolerate high supply voltages while providing increased performance, dramatically lower power consumption, and reduce the package size.The ADG1414 is a set of octal SPST (single-pole, single-throw) switches controlled via a 3-wire serial interface. On resistance is closely matched between switches and is very flat over the full signal range. Each switch conducts equally well in both directions and the input signal range extends to the supplies.Data is written to these devices in the form of eight bits; each bit corresponds to one channel.The ADG1414 utilizes a versatile 3-wire serial interface that operates at clock rates of up to 50 MHz and is compatible with standard SPI®, QSPI™, MICROWIRE™, and DSP interface standards. The output of the shift register, SDO, enables a number of these parts to be daisy chained.On power-up, all switches are in the off condition, and the internal registers contain all zeros.PRODUCT HIGHLIGHTS 50 MHz serial interface. 9.5 Ω on resistance. 1.6 Ω on-resistance flatness. 24-lead TSSOP and 4 mm × 4 mm LFCSP packages.APPLICATIONS Automatic test equipment Data acquisition systems Battery-powered systems Sample-and-hold systems Audio signal routing Video signal routing Communication systems

The ADG1604 is a complementary metal-oxide semiconductor(CMOS) analog multiplexer and switches one of four inputs toa common output, D, as determined by the 3-bit binary addresslines, A0, A1, and EN. Logic 0 on the EN pin disables the device.Each switch conducts equally well in both directions when onand has an input signal range that extends to the supplies. Inthe off condition, signal levels up to the supplies are blocked.All switches exhibit break-before-make switching action.Inherent in the design is low charge injection for minimumtransients when switching the digital inputs.The ultralow on resistance of these switches make them idealsolutions for data acquisition and gain switching applications wherelow on resistance and distortion is critical. The on resistance profileis very flat over the full analog input range, ensuring excellentlinearity and low distortion when switching audio signals.The CMOS construction ensures ultralow power dissipation,making the devices ideally suited for portable and batterypoweredinstruments.Product Highlights 1.6 Ω maximum on resistance over temperature. Minimum distortion: THD + N = 0.007%. 3 V logic-compatible digital inputs: VINH = 2.0 V, VINL = 0.8 V. No VL logic power supply required. Ultralow power dissipation: <16 nW. 14-lead TSSOP and 16-lead, 4 mm × 4 mm LFCSP.Applications Communication systems Medical systems Audio signal routing Video signal routing Automatic test equipment Data acquisition systems Battery-powered systems Sample-and-hold systems Relay replacements

The ADG1606 and ADG1607 are monolithic iCMOS® analogmultiplexers comprising of 16 single channels and eightdifferential channels, respectively. The ADG1606 switches one of16 inputs to a common output, as determined by the 4-bitbinary address lines (A0, A1, A2, and A3). The ADG1607switches one of eight differential inputs to a common differentialoutput, as determined by the 3-bit binary address lines (A0, A1,and A2). An EN input on both devices enables or disables thedevice. When disabled, all channels switch off. When enabled,each channel conducts equally well in both directions and has aninput signal range that extends to the supplies.The ultralow on resistance and on-resistance flatness of theseswitches make them ideal solutions for data acquisition andgain switching applications where low distortion is critical.iCMOS® construction ensures ultralow power dissipation,making the parts ideally suited for portable and battery-poweredinstruments.Product Highlights 7.5 Ω maximum on resistance over temperature. Minimum distortion: THD + N = 0.04% 3 V logic-compatible digital inputs: VINH = 2.0 V, VINL = 0.8 V. No VL logic power supply required.Applications Communication systems Medical systems Audio signal routing Video signal routing Automatic test equipment Data acquisition systems Battery-powered systems Sample-and-hold systems Relay replacements

The ADG1636 is a monolithic CMOS device containing twoindependently selectable single-pole/double-throw (SPDT)switches. An EN input is used to enable or disable the device.When disabled, all channels are switched off. Each switch conductsequally well in both directions when on and has an input signalrange that extends to the supplies. In the off condition, signallevels up to the supplies are blocked. Both switches exhibitbreak-before-make switching action for use in multiplexerapplications.The ultralow on resistance of these switches make them idealsolutions for data acquisition and gain switching applications wherelow on resistance and distortion is critical. The on resistance profileis very flat over the full analog input range, ensuring excellentlinearity and low distortion when switching audio signals.The CMOS construction ensures ultralow power dissipation,making the devices ideally suited for portable and battery-poweredinstruments.Product Highlights 1.6 Ω maximum on resistance over temperature. Minimum distortion: THD + N = 0.007%. 3 V logic-compatible digital inputs: VINH = 2.0 V, VINL = 0.8 V. No VL logic power supply required. Ultralow power dissipation: <16 nW. 16-lead TSSOP and 16-lead 4 mm × 4 mm LFCSP.Applications Communication systems Medical systems Audio signal routing Video signal routing Automatic test equipment Data acquisition systems Battery-powered systems Sample-and-hold systems Relay replacements

The ADG4612 & ADG4613 contain four independent single-pole/single-throw (SPST) switches. The ADG4612 switches areturned on with Logic 1 on the appropriate control input. TheADG4613 has two switches with digital control logic similar tothat of the ADG4612; the logic is inverted on the other twoswitches. Each switch conducts equally well in both directionswhen on and has an input signal range that extends to thesupplies. The ADG4613 exhibits break-before-make switchingaction for use in multiplexer applications.When no power supplies are present the switch remains in theOFF condition and the switch inputs are high impedanceinputs. This ensures that no current flows that may damage theswitch. This is very useful in application where analog signalsmay be present at the switch inputs before power or where theuser has no control over the Power Supply Sequence.In the off condition, signal levels up to 16V are blocked. Also, ifthe analog input signal levels exceed VDD by VT then the switchwill turn off.The ultralow on resistance of these switches make them idealsolutions for data acquisition and gain switching applicationswhere low on resistance and distortion is critical. The onresistance profile is very flat over the full analog input rangeensuring excellent linearity and low distortion when switchingaudio signals.APPLICATIONS Hot swap applications Data acquisition systems Battery-powered systems Automatic test equipment Communication systems Relay ReplacementPRODUCT HIGHLIGHTS Power-Off Protection On Both S and D Pins. PSS Robustness. Overvoltage Protection up to 16 V. 5.2 Ω On Resistance. 16-Lead TSSOP and 3 mm × 3 mm LFCSP Packages.