The ADA4610-1/ADA4610-2/ADA4610-4 are precision junction field effect transistor (JFET) amplifiers that feature low input noise voltage, current noise, offset voltage, input bias current, and rail-to-rail output. The ADA4610-1 is a single amplifier, the ADA4610-2 is a dual amplifier, and the ADA4610-4 is a quad amplifier.The combination of low offset, noise, and very low input bias current makes these amplifiers especially suitable for high impedance sensor amplification and precise current measurements using shunts. With excellent dc precision, low noise, and fast settling time, the ADA4610-1/ADA4610-2/ADA4610-4 provide superior accuracy in medical instruments, electronic measurement, and automated test equipment. Unlike many competitive amplifiers, the ADA4610-1/ADA4610-2/ADA4610-4 maintain fast settling performance with substantial capacitive loads. Unlike many older JFET amplifiers, the ADA4610-1/ADA4610-2/ADA4610-4 do not suffer from output phase reversal when input voltages exceed the maximum common-mode voltage range. The fast slew rate and great stability with capacitive loads make the ADA4610-1/ADA4610-2/ADA4610-4 ideal for high performance filters. Low input bias currents, low offset, and low noise result in a wide dynamic range for photodiode amplifier circuits. Low noise and distortion, high output current, and excellent speed make the ADA4610-1/ADA4610-2/ ADA4610-4 great choices for audio applications.The ADA4610-1/ADA4610-2/ADA4610-4 are specified over the −40°C to +125°C extended industrial temperature range.The ADA4610-1 is available in an 8-lead SOIC package and in a 5-lead SOT-23 package. The ADA4610-2 is available in 8-lead SOIC, 8-lead MSOP, and 8-lead LFCSP packages. The ADA4610-4 is available in a 14-lead SOIC package and in a 16-lead LFCSP.Applications Instrumentation Medical instruments Multipole filters Precision current measurement Photodiode amplifiers Sensors Audio

The ADA4691-2/ADA4692-2 are dual and the ADA4691-4/ADA4692-4 are the quad rail-to-rail output, single-supply amplifiers featuring low power, wide bandwidth, and low noise. The ADA4691-2 has two independent shutdown pins, allowing further reduction in supply current. The ADA4691-4 is a quad with dual shutdown pins each controlling a pair of amplifiers and is available in the 16-lead LFCSP. The ADA4692-4 is a quad version without shutdown.These amplifiers are ideal for a wide variety of applications. Audio, filters, photodiode amplifiers, and charge amplifiers, all benefit from this combination of performance and features. Additional applications for these amplifiers include portable consumer audio players with low noise and low distortion that provide high gain and slew rate response over the audio band at low power. Industrial applications with high impedance sensors, such as pyroelectric and IR sensors, benefit from the high impedance and low 0.5 pA input bias, low offset drift, and enough bandwidth and response for low gain applications.The ADA4691/ADA4692 family is fully specified over the extended industrial temperature range (−40°C to +125°C). The ADA4691-2 is available in a 10-lead LFCSP and a 9-ball WLCSP. The ADA4692-2 is available in an 8-lead SOIC and 8-lead LFCSP. The ADA4691-4 is available in a 16-lead LFCSP. The ADA4692-4 is available in a 14-lead TSSOP.Applications Photodiode amplifiers Sensor amplifiers Portable medical and instrumentation Portable audio: MP3s, PDAs, and smartphones Communications Low-side current sense ADC driver Active filters Sample-and-hold

The ADA4691-2/ADA4692-2 are dual and the ADA4691-4/ADA4692-4 are the quad rail-to-rail output, single-supply amplifiers featuring low power, wide bandwidth, and low noise. The ADA4691-2 has two independent shutdown pins, allowing further reduction in supply current. The ADA4691-4 is a quad with dual shutdown pins each controlling a pair of amplifiers and is available in the 16-lead LFCSP. The ADA4692-4 is a quad version without shutdown.These amplifiers are ideal for a wide variety of applications. Audio, filters, photodiode amplifiers, and charge amplifiers, all benefit from this combination of performance and features. Additional applications for these amplifiers include portable consumer audio players with low noise and low distortion that provide high gain and slew rate response over the audio band at low power. Industrial applications with high impedance sensors, such as pyroelectric and IR sensors, benefit from the high impedance and low 0.5 pA input bias, low offset drift, and enough bandwidth and response for low gain applications.The ADA4691/ADA4692 family is fully specified over the extended industrial temperature range (−40°C to +125°C). The ADA4691-2 is available in a 10-lead LFCSP and a 9-ball WLCSP. The ADA4692-2 is available in an 8-lead SOIC and 8-lead LFCSP. The ADA4691-4 is available in a 16-lead LFCSP. The ADA4692-4 is available in a 14-lead TSSOP.Applications Photodiode amplifiers Sensor amplifiers Portable medical and instrumentation Portable audio: MP3s, PDAs, and smartphones Communications Low-side current sense ADC driver Active filters Sample-and-hold

The ADA4940-1 / ADA4940-2 are low noise, low distortion differential amplifiers with very low power consumption. They are an ideal choice for driving low power, high resolution, high performance SAR and sigma-delta (Σ-Δ) analog-to-digital converters (ADCs) with resolutions up to 18 bits from dc to 1 MHz on only 1.25 mA of quiescent current. The adjustable level of the output common-mode voltage allows the ADA4940-1/ ADA4940-2 to match the input common-mode voltage of multiple ADCs. The internal common-mode feedback loop provides exceptional output balance, as well as suppression of even-order harmonic distortion products.With the ADA4940-1 / ADA4940-2, differential gain configurations are easily realized with a simple external feedback network of four resistors determining the closed-loop gain of the amplifier. The ADA4940-1 / ADA4940-2 are fabricated using Analog Devices, Inc., complementary bipolar process, enabling them to achieve very low levels of distortion with an input voltage noise of only 3.9 nV/√Hz. The low dc offset and excellent dynamic performance of the ADA4940-1 / ADA4940-2 make them well suited for a variety of data acquisition and signal processing applications.The ADA4940-1 is available in a Pb-free, 3 mm × 3 mm, 16-lead LFCSP. The ADA4940-2 is available in a Pb-free, 4 mm × 4 mm, 24-lead LFCSP. The pinout is optimized to facilitate printed circuit board (PCB) layout and minimize distortion. The ADA4940-1 / ADA4940-2 are specified to operate over the −40°C to +125°C temperature range.Applications Low power ADC drivers Single-ended-to-differential converters Differential buffers Line drivers Medical Imaging Industrial Process Control Portable Electronics

The SSM2518 is a digital input, Class-D power amplifier that combinesa digital-to-analog converter (DAC) and a sigma-delta(Σ-Δ) Class-D modulator. This unique architecture enablesextremely low real-world power consumption from digitalaudio sources with excellent audio performance. The SSM2518is ideal for power sensitive applications, such as mobile phonesand portable media players, where system noise can corruptsmall analog signals such as those sent to an analog input audioamplifier.Using the SSM2518, audio data can be transmitted to the amplifierover a standard digital audio serial interface, thereby significantlyreducing the effect of noise sources such as GSM interference orother digital signals on the transmitted audio. The closed-loopdigital input design retains the benefits of an all digital amplifier,yet enables very good PSRR and audio performance. The threelevel, Σ-Δ Class-D modulator is designed to provide the leastamount of EMI interference, the lowest quiescent power dissipation,and the highest audio efficiency without sacrificingaudio quality.Input is provided via a serial audio interface, programmable toaccept all common audio formats including I2S and TDM. Controlof the IC is provided via an I2C control interface. The SSM2518can accept a variety of input MCLK frequencies and can useBCLK as the clock source in some configurations.Additional features include a soft digital volume control, deemphasis,and a programmable digital dynamic rangecompressor.The architecture of the SSM2518 provides a solution that offerslower power and higher performance than existing DAC plusClass-D solutions. Its digital interface also offers a better systemsolution for other products whose sole audio source is digital,such as wireless speakers, laptop PCs, portable digital televisions,and navigation systems.Applications Mobile phones Portable media players Laptop PCs Wireless speakers Portable gaming Small LCD televisions Navigation systems

The HMC813 is a Successive Detection Log Video Amplifier (SDLVA) with a limited RF output which operates from 1 to 26 GHz. The HMC813 provides a logging range of 55 dB. This device offers typical fast rise/fall times of 4/10 ns. The HMC813 log video output slope is typically 14.5 mV/dB. Maximum recovery times are less than 20 ns. Ideal for high speed channelized receiver applications, the HMC813 operates from a single +3.3 V supply, and consumes only 150 mA. All data shown herein is measured with the chip in a 50 Ohm environment and contacted with RF probes.APPLICATIONS EW, ELINT & IFM Receivers DF Radar Systems ECM Systems Broadband Test & Measurement Power Measurement & Control Circuits Military & Space Applications

Analog Comparators Single uPower Comparator

Audio Amplifiers 3W filterless ClassDMonoAudioAmp

Voltage Feedback Amplifier 1 Circuit Rail-to-Rail SOT-23-6

Differential Amplifiers Fixed Gain 1,2&3 Diff ADC Driver