Supertex Inc.
Sunnyvale, CA 94619
Jun 06, 2007 RoHS-compliant MD3880 is comprised of 4-channel, low-noise amplifier (LNA) and variable gain amplifier (VGA) with 4 discrete gain settings. LNA output is fed directly into VGA, eliminating need for external coupling capacitor. Along with fully differential inputs and outputs, product features low current (0.35 pA/√Hz) and voltage (0.74 nV/√Hz) noises as well as linear-in-dB continuous variable gain control.

Laser Components, inc.
Santa Rosa, CA 95403
Jun 05, 2007 Offering low pulse distortion, Model HCA-400M-5K-C features gain of 5 x 10² V/A and minimum rise/fall time of 1 ns. It comes in miniaturized and rugged aluminum housing that optimizes EMI shielding. Small size lets user get amplifier close to detector, minimizing noise from long detector leads. Amplifier is suited for amplification of small currents generated by high impedance sources such as photodiodes, PMTs, ionization, and particle detectors.

National Semiconductor Corp.
Santa Clara, CA 95051-0695
Apr 12, 2007 Model LMP2012WGLQMLV rail-to-rail output operational amplifier measures and continually corrects input offset error voltage while eliminating unwanted 1/f voltage and current noise. It is radiation tested to 50 K rad (Si) and displays 90 dB PSRR rating over full space temperature range. Operating from 2.7-5 V supply voltage, amplifier offers 60 µV input offset voltage over -55 to 125°C temperature range, 4 V/µsec slew rate, and 3 MHz gain-bandwidth.

ON Semiconductor, LLC
Phoenix, AZ 85008
Dec 07, 2006 Suited for cell phones and PDAs, Models NCP2892 and NCP2990 produce zero pop-and-click noise with differential and single-ended audio inputs, respectively. Audio power amplifiers offer turn-on time down to 15-30 msec and can be connected directly to battery. Using 1 µF bypass capacitor, NCP2892/990 offer 100 and 60 msec wake up times. Devices feature 10 nA current shutdown mode, 2.2-5.5 V operation, and up to 1.0 nF capacitive load driving capability.

Endwave Corp.
San Jose, CA 95134
Nov 27, 2006 Offered in 20+ models, ultra-low noise JCA Amplifiers can be employed in narrowband situations, such as GPS receiver, or in electronic surveillance system where several octaves of bandwidth may be necessary. Narrowband models can be optimized for sub 0.5 dB noise figures over 100-200 MHz sub-bands, and broadband multi-octave noise figure performance is rated under 1 dB max for C-Band frequencies and below. Design minimizes touch-and-tune time.

Linear Technology Corp.
Milpitas, CA 95035-7417
Nov 21, 2006 With -3 dB bandwidth of 300 MHz, LT6402 differential amplifier provides on-chip filter and output common mode voltage pin, and is available in 6, 12, and 20 dB fixed gain options. Model LT6411 dual-selectable gain amplifier has -3 dB bandwidth of 650 MHz and slew rate of 3,300 V/µs, with independently selectable gains, consuming 16 mA supply current. Device can be disabled when inactive, dropping consumption to less than 0.35 mA max per amplifier.

Micrel Semiconductor Inc.
San Jose, CA 95131
Oct 10, 2006 Supplied in 3 x 3 mm package, SY88343DL can amplify signals with data rates up to 3.2 Gbps and as small as 5 mVpp to drive devices with CML inputs or AC-coupled CML/PECL inputs. This CML limiting post amplifier operates from one 3.3 V power supply and offers high-gain TTL loss-of-signal detection. Designed for use in fiber-optic receivers, IC connects to typical transimpedance amplifier and quantizes linear signal output to produce CML-level waveforms to ensure low noise levels.

Sirenza Microdevices
Broomfield, CO 80021
Sep 29, 2006 Available in RoHS/WEEE compliant SOT-89 package, Model SGA-9089Z Silicon Germanium (SiGe) high linearity, medium power discrete product can be biased from 2.7-3.3 V over wide range of currents to deliver linearity, noise figure, and power up to 24 dBm. One-quarter watt SGA-9089Z is suitable for 3G, cellular, fixed wireless, and various other low noise and driver amplifier applications.

Texas Instruments, Inc. (TI)
Dallas, TX 75243-4136
Sep 01, 2006 With single-supply operation from 2.2-5.5 V, OPA365 operational amplifier utilizes zero-crossover, single-input stage architecture to achieve rail-to-rail performance. Features include distortion of 0.0006% THD+N, noise of 4.5 nV/rtHz, bandwidth of 50 MHz, and settling time of 300 ns to 0.01%. Delivering CMRR of 100 dB minimum and 120 dB typical over entire input range, product design makes it suitable for driving A/D converters without degradation of differential linearity.

National Semiconductor Corp.
Santa Clara, CA 95051-0695
Jun 22, 2006 Housed in micro SMD package, fixed-gain Model LM4920 includes low logic-level capability to interface with low-voltage digital ICs. Building on LM4920 core, Model LM4981 adds up/down volume control that eliminates need for software control. Model LM4982 offers digitally controlled I2C compatible volume adjustment with headphone sense, which detects mono or stereo plug. All use low-noise, inverting charge pump to generate negative supply voltage, allowing outputs to be referenced at ground.

Sirenza Microdevices
Broomfield, CO 80021
Jun 08, 2006 Silicon Germanium (SiGe) high linearity, medium power discrete device SGA-8543Z offers performance from 50-3500 MHz and can be biased from 2.7-3.3 V. Suited for high volume cellular, GPS, and various ISM low noise and driver amplifier applications, device is available in RoHS/WEEE compliant SOT-343 package.

STMicroelectronics
Carrollton, TX 75006
May 19, 2006 Available in SOT23-5L or SO-8 package, TSH300 offers bandwidth of 200 MHz at gain of 5 V/V. It operates from 4.5-5.5 V on either single or dual supplies over -40 to +85°C temperature range. With slew rate of 230 V/µ and SFDR of 55 dBc, measured with 10 MHz output sine wave of 2 Vp-p into 100 ohm load, amplifier is suitable as component in A/D converter interface as well as high end industrial, medical, and instrumentation applications.

National Semiconductor Corp.
Santa Clara, CA 95051-0695
Apr 14, 2006 Available in SOT23-5 package, LM6211 rail-to-rail output CMOS op-amp meets requirements of industrial and telecommunications applications with its 20 MHz wide bandwidth, single supply-voltage range of 5-24 V, and 0.5 pA low input bias current. It improves signal fidelity in wireless and sensor interface applications, featuring input voltage noise of 5.5 nV/sqrt Hz @ 10 kHz and 10 fA/sqrt Hz input current noise. Output stage remains stable with capacitive loads up to 500 pF.

Sirenza Microdevices
Broomfield, CO 80021
Mar 28, 2006 Housed in QFN package, 2-stage fully-matched RFIC silicon germanium low noise amplifier (LNA) SGL-0622Z offers broadband performance from 5-4,000 MHz. Single-stage SGL-0363Z LNA is optimized for narrowband applications from 5-2,000 MHz. Suitable for GPS, ISM, and WiMAX applications, models are available in ROHS/WEEE compliant packages.

NuWaves Engineering
West Chester, OH 45069
Aug 11, 2005 With typical gain of 20 dB, HILNAV1 low noise amplifier operates in usable frequency range of 50 MHz to 1.5 GHz. Input to device is 5–30 Vdc with internal regulator. Featuring reverse voltage protection, design achieves typical third intercept point of +32 dBm. Product is housed in extruded aluminum enclosure and offers option for mounting flanges. It is also available in OEM sub-assembly version with mounting holes.

Analog Devices, Inc.
Norwood, MA 02062-9106
May 05, 2005 Manufactured in 8-lead MSOP and SOIC packaging, AD8655 utilizes DigiTrimâ„¢ in-package trim technology and is designed for 2.7–5 V operation. It delivers noise level of 2.7 nV/Hz @ 10 kHz and distortion of 0.0008%, eliminating need for external transistor stages or multiple parallel amps. Along with offset of 250 µV max over full common-mode voltage range, product features rail-to-rail input and output, 28 MHz bandwidth, and 0.4 µV/ºC typ offset voltage drift.

Texas Instruments, Inc. (TI)
Dallas, TX 75243-4136
Jan 26, 2005 Available in 16-pin QFN package, 1.9 GHz THS4509 leverages BiCom-III complementary bipolar silicon-germanium process, which integrates NPN and PNP bipolar transistors. Unit delivers input referred voltage noise of 2.0 nV/rtHz and 1% settling time of 2 ns with 2 V output step. Other features include large signal bandwidth of 1.5 GHz, small signal bandwidth of 1.9 GHz, slew rate of 6,600 V/µs and 0.65 mA power-down mode.

Texas Instruments, Inc., Semiconductors
Dallas, TX 75243
Dec 16, 2003 Model VCA8613 incorporates 8 low-noise pre-amplifiers, 8 attenuators, and 8 post-gain amplifiers, but draws only 600 mW. Differential outputs of LNAs can be switched through 8 x 10 cross-point switch, which is programmable through serial interface input port. Device operates on single 3 V supply and features 1.2 nV/rtHz input voltage noise at 5 MHz. Gain can be varied between 21–26 dB. Programmable maximum attenuation settings include 29, 33, 36.5, and 40 dB.