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Description : Micropower Precision Triple Supply Monitors

DESCRIPTION
The LTC®1326/LTC1326-2.5 are Triple Supply Monitors intended for systems with multiple Supply voltages. They provide Micropower operation, small size and high accuracy Supply monitoring.

FEATURES
■ Simultaneously Monitors Three Supplies
    LTC1326: 5V, 3.3V and ADJ
    LTC1326-2.5: 2.5V, 3.3V and ADJ
■ Guaranteed Threshold Accuracy: ±0.75%
■ Low Supply Current: 20µA
■ Internal Reset Time Delay: 200ms
■ Manual Push-Button Reset Input
■ Active Low and Active High Reset Outputs
■ Active Low “Soft” Reset Output
■ Power Supply Glitch Immunity
■ Guaranteed RESET for VCC3 ≥ 1V or VCC5 ≥ 1V or VCC25 ≥ 1V
■ 8-Pin SO and MSOP Packages

APPLICATIONS
■ Desktop Computers
■ Notebook Computers
■ Intelligent Instruments
■ Portable Battery-Powered Equipment

Description : Micropower, Single Supply,Precision Op Amp

DESCRIPTION
The LT®1077 is a Micropower Precision operational amplifier optimized for single Supply operation at 5V. In addition, ±15V specifications are provided. Micropower performance of competing devices is achieved at the expense of seriously degrading Precision, noise, speed, and output drive specifications. The LT1077 reduces Supply current without sacrificing other parameters. The offset voltage achieved is the lowest of any Micropower op amp. Offset current, voltage and current noise, slew rate and gain-bandwidth product are all two to ten times better than on previous Micropower op amps.

FEATURES
■ 60µA Max Supply Current
■ 40µV Max Offset Voltage
■ 350pA Max Offset Current
■ 0.5µVP-P 0.1Hz to 10Hz Voltage Noise
■ 2.5pAP-P0.1Hz to 10Hz Current Noise
■ O.4µV/°C Offset Voltage Drift
■ 250kHz Gain-Bandwidth Product
■ 0.12V/µs Slew Rate
■ Single Supply Operation
   Input Voltage Range Includes Ground
   Output Swings to Ground while Sinking Current
   No Pull-Down Resistors are Needed
■ Output Sources and Sinks 5mA Load Current

Description : Micropower, Dual and Quad, Single Supply, Precision Op Amps

DESCRIPTION

The LT ®2078 is a Micropower dual op amp in 8-pin small outline, standard surface mount package, and LT2079 is a Micropower quad op amp offered in the standard 14-pin surface mount package. Both devices are optimized for single Supply operation at 5V. ±15V specifications are also provided.

Micropower performance of competing devices is achieved at the expense of seriously degrading Precision, noise, speed and output drive specifications. The design effort of the LT2078/LT2079 was concentrated on reducing Supply current without sacrificing other parameters. The offset voltage achieved is the lowest on any dual or quad nonchopper stabilized op amp––Micropower or other wise. Offset current, voltage and current noise, slew rate and gain bandwidth product are all two to ten times better than on previous Micropower op amps.



FEATURES

Supply Current per Amplifier: 50µA Max

■ Offset Voltage: 70µV Max

■ Offset Current: 250pA Max

■ Voltage Noise: 0.6µVP-P, 0.1Hz to 10Hz

■ Current Noise: 3pAP-P, 0.1Hz to 10Hz

■ Offset Voltage Drift: 0.4µV/°C

■ Gain Bandwidth Product: 200kHz

■ Slew Rate: 0.07V/µs

■ Single Supply Operation

   Input Voltage Range Includes Ground

   Output Swings to Ground while Sinking Current

   No Pull-Down Resistors Needed

■ Output Sources and Sinks 5mA Load Current

■ SO Package with Standard Pinout



APPLICATIONS

■ Battery or Solar-Powered Systems

   Portable Instrumentation

   Remote Sensor Amplifier

   Satellite Circuitry

Micropower Sample-and-Hold

■ Thermocouple Amplifier

Micropower Filters



 


Description : Micropower, Single Supply, Rail-to-Rail Input-Output Instrumentation Amplifier and Precision Operational Amplifier

Micropower, Single Supply, Rail-to-Rail Input-Output Instrumentation Amplifier and Precision Operational Amplifier



The ISL28274 is a combination of a Micropower instrumentation amplifier (Amp A) with a low power Precision

amplifier (Amp B) in a single package. The ISL28474 consist of two Micropower instrumentation amplifiers (Amp A) and two low power Precision amplifiers (Amp B) in a single package. The amplifiers are optimized for operation at 2.4V to 5V single supplies. Inputs and outputs can operate rail-to rail. As with all instrumentation amplifiers, a pair of inputs provide a high common-mode rejection and are completely independent from a pair of feedback terminals.



Features

• Combination of IN-AMP and OP-AMP in a single package

• 120µA Supply current for ISL28274

• Input Offset Voltage IN-AMP 400µV max

• Input Offset Voltage OP-AMP 225µV max

• 30pA max input bias current

• 100dB CMRR and PSRR

• Single Supply operation of 2.4V to 5.0V

• Ground Sensing

• Input voltage range is rail-to-rail and output swings rail-to-rail

• Pb-free plus anneal available (RoHS compliant)



Applications

•4-20mA loops

• Industrial Process Control

• Medical Instrumentations


Description : Precision, Micropower, Single Supply Instrumentation Amplifier (Fixed Gain = 10 or 100)

Precision, Micropower, Single Supply Instrumentation Amplifier (Fixed Gain = 10 or 100)

DESCRIPTION
The LT®1101 establishes the following milestones: (1) It is the first Micropower instrumentation amplifier, (2) It is the first single Supply instrumentation amplifier, (3) It is the first instrumentation amplifier to feature fixed gains of 10 and/or 100 in low cost, space-saving 8-lead packages.
The LT1101 is completely self-contained: no external gain setting resistor is required. The LT1101 combines its Micropower operation (75µA Supply current) with a gain error of 0.008%, gain linearity of 3ppm, gain drift of 1ppm/°C. The output is guaranteed to drive a 2k load to ±10V with excellent gain accuracy.

FEATURES
■ Gain Error: 0.04% Max
■ Gain Nonlinearity: 0.0008% (8ppm) Max
■ Gain Drift: 4ppm/°C Max
Supply Current: 105µA Max
■ Offset Voltage: 160µV Max
■ Offset Voltage Drift: 0.4µV/°C Typ
■ Offset Current: 600pA Max
■ CMRR, G = 100: 100dB Min
■ 0.1Hz to 10Hz Noise: 0.9µVp-p Typ .3pAp-p Typ
■ Gain Bandwidth Product: 250kHz Min
■ Single or Dual Supply Operation
■ Surface Mount Package Available

APPLICATION
■ Differential Signal Amplification in Presence of ommon Mode Voltage
Micropower Bridge Transducer Amplifier
– Thermocouples
– Strain Gauges
– Thermistors
■ Differential Voltage-to-Current Converter
■ Transformer Coupled Amplifier
■ 4mA to 20mA Bridge Transmitter

Description : Micropower Single Supply Rail-to-Rail Input-Output Precision Op Amp

Micropower Single Supply Rail-to-Rail Input-Output Precision Op Amp



The EL8176 is a Precision low power, operational amplifier. The device is optimized for single Supply operation between 2.4V to 5.5V.

The EL8176 draws minimal Supply current while meeting excellent DC-accuracy noise and output drive specifications. Competing devices seriously degrade these parameters to achieve Micropower Supply current.



Features

• 55µA Supply current

• 100µV max offset voltage (8 Ld SO)

• 2nA input bias current

• 400kHz gain-bandwidth product

• Single Supply operation down to 2.4V

• Rail-to-rail input and output

• Output sources 31mA and sinks 26mA load current

• Pb-free plus (RoHS compliant)



Applications

• Battery- or solar-powered systems

• 4mA to 20mA current loops

• Handheld consumer products

• Medical devices

• Thermocouple amplifiers

• Photodiode pre amps

• pH probe amplifiers


Description : Micropower, Dual and Quad, Single Supply, Precision Op Amps

DESCRIPTION
The LT ®1078 is a Micropower dual op amp in 8-pin packages including the small outline surface mount package. The LT1079 is a Micropower quad op amp offered in the standard 14-pin packages. Both devices are optimized for single Supply operation at 5V. ±15V specifications are also provided.
Micropower performance of competing devices is achieved at the expense of seriously degrading Precision, noise, speed and output drive specifications. The design effort of the LT1078/LT1079 was concentrated on reducing Supply current without sacrificing other parameters. The offset voltage achieved is the lowest on any dual or quad nonchopper stabilized op amp—Micropower or other wise. Offset current, voltage and current noise, slew rate and gain bandwidth product are all two to ten times better than on previous Micropower op amps.
The 1/f corner of the voltage noise spectrum is at 0.7Hz, at least three times lower than on any monolithic op amp. This results in low frequency (0.1Hz to 10Hz) noise performance which can only be found on devices with an order of magnitude higher Supply current.
Both the LT1078 and LT1079 can be operated from a single Supply (as low as one lithium cell or two Ni-Cad batteries). The input range goes below ground. The all NPN output stage swings to within a few millivolts of ground while sinking current—no power consuming pull down resistors are needed.

FEATURES
■ Available in 8-Pin SO Package
■ 50µA Max Supply Current per Amplifier
■ 70µV Max Offset Voltage
■ 180µA Max Offset Voltage in 8-Pin SO
■ 250pA Max Offset Current
■ 0.6µVP-P, 0.1Hz to 10Hz Voltage Noise
■ 3pAP-P, 0.1Hz to 10Hz Current Noise
■ 0.4µV/°C Offset Voltage Drift
■ 200kHz Gain Bandwidth Product
■ 0.07V/µs Slew Rate
■ Single Supply Operation
   Input Voltage Range Includes Ground
   Output Swings to Ground while Sinking Current
   No Pull-Down Resistors Needed
■ Output Sources and Sinks 5mA Load Current

APPLICATIONS
■ Battery or Solar-Powered Systems
   Portable Instrumentation
   Remote Sensor Amplifier
   Satellite Circuitry
Micropower Sample-and-Hold
■ Thermocouple Amplifier
Micropower Filters

Description : High-Precision, Low-Voltage, Micropower Op Amp

General Description
The MAX480 is a Precision Micropower operational amplifier with flexible power-Supply capability. Its guaranteed 140µV maximum offset voltage (25µV typ) is the lowest of any Micropower op amp. Similarly, input bias current, input offset current, and drift specifications are within tight limits.

Features
♦ Single- or Dual-Supply Operation: +1.6V to +36V, ±0.8V to ±18V
♦ True Single-Supply Operation: Input and Output Voltage Ranges Include Ground
♦ 2.0µV/°C Max Offset Voltage Drift
♦ 20µA Max Supply Current
♦ 5mA Min Output Drive
♦ 140µV Max Input Offset Voltage
♦ 3nA Max Input Bias Current
♦ 500V/mV Min Open-Loop Gain
♦ Standard 741 Pinout with Nulling to V

Applications
    Precision Micropower Amplifiers
    Micropower Signal Processing
    Battery-Powered Analog Circuits

Description : Single, Dual and Quad Micropower Single Supply Rail-to-Rail Input and Output (RRIO) Precision Op Amp

Single, Dual and Quad Micropower Single Supply Rail-to-Rail Input and Output (RRIO) Precision Op Amp



The ISL28176, ISL28276 and ISL28476 are single, dual and quad channel Micropower operational amplifiers optimized for single Supply operation over the 2.4V to 5V range. They can be operated from one lithium cell or two Ni-Cd batteries.



Features

• Low power 120µA typical Supply current (ISL28276)

• 100µV maximum offset voltage

• 500pA typical input bias current

• 400kHz typical gain-bandwidth product

• 115dB typical PSRR and CMRR

• Single Supply operation down to 2.4V

• Input is capable of swinging above V+ and to V- (ground sensing)

• Rail-to-rail input and output (RRIO)

• Pb-free (RoHS compliant)



Applications

• Battery- or solar-powered systems

• 4mA to 25mA current loops

• Handheld consumer products

• Medical devices

• Thermocouple amplifiers

• Photodiode pre-amps

• pH probe amplifiers


Description : Micropower Single Supply Rail-to-Rail Input-Output (RRIO) Precision Op Amp

Micropower Single Supply Rail-to-Rail Input-Output (RRIO) Precision Op Amp



The EL8178 is a Precision low power, operational amplifier. The device is optimized for single Supply operation between 2.4V to 5.5V. This enables operation from one lithium cell or two Ni-Cd batteries. The input range includes both positive and negative rail.



Features

• Typical 55µA Supply current

• 250µV max offset voltage

• Typical 1pA input bias current

• 266kHz gain-bandwidth product

• Single Supply operation between 2.4V to 5.5V

• Rail-to-rail input and output

• Ground sensing

• Output sources and sinks 26mA load current

• Pb-free (RoHS compliant)



Applications

• Battery- or solar-powered systems

• 4mA to 20mA current loops

• Handheld consumer products

• Medical devices

• Thermocouple amplifiers

• Photodiode pre-amps

• pH probe amplifiers


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