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Part Name(s) : LTC1050ACN
Linear
Linear Technology
Description : Precision Chopper Stabilized OPERATIONAL AMPLIFIER With Internal Capacitors

DESCRIPTION
The LTC1050 is a high performance, low cost chopper stabilized OPERATIONAL AMPLIFIER. The unique achievement of the LTC1050 is that it integrates on chip the two sample-and-hold capacitors usually required externally by other chopper AMPLIFIERs. Further, the LTC1050 offers better combined overall DC and AC performance than is available from other chopper stabilized AMPLIFIERs with or without internal sample-and-hold capacitors.

FEATURES
■ No External Components Required
■ Noise Tested and Guaranteed
■ Low Aliasing Errors
■ Maximum Offset Voltage: 5µV
■ Maximum Offset Voltage Drift: 0.05µV/°C
■ Low Noise: 1.6µVP-P (0.1Hz to 10Hz)
■ Minimum Voltage Gain: 130dB
■ Minimum PSRR: 125dB
■ Minimum CMRR: 120dB
■ Low Supply Current: 1mA
■ Single Supply Operation: 4.75V to 16V
■ Input Common Mode Range Includes Ground
■ Output Swings to Ground
■ Typical Overload Recovery Time: 3ms

APPLICATIONS
■ Thermocouple AMPLIFIERs
■ Electronic Scales
■ Medical Instrumentation
■ Strain Gauge AMPLIFIERs
■ High Resolution Data Acquisition
■ DC Accurate R, C Active Filters

Description : ±15 Volt Chopper Stabilized OPERATIONAL AMPLIFIER

±15 Volt Chopper Stabilized OPERATIONAL AMPLIFIER

Description : ±15V CHOPPER-STABILIZED OPERATIONAL AMPLIFIER

±15V CHOPPER-STABILIZED OPERATIONAL AMPLIFIER

Applications
    Precision AMPLIFIERs
    Signal Conditioning for:
        Thermocouples
        Strain Gauges, Load Cells
        Resistance Temperature Devices (RTDs)
    High Accuracy Data Acquisition
    DC Stabilization of AMPLIFIERs and Systems
    4mA-20mA Process Control Transmitters

TELCOM
TelCom Semiconductor, Inc
Description : CHOPPER-STABILIZED OPERATIONAL AMPLIFIER

GENERAL DESCRIPTION
The TC7650 CMOS CHOPPER-STABILIZED OPERATIONAL AMPLIFIER practically removes offset voltage error terms from system error calculations. The 5µV maximum VOS specification, for example, represents a 15 times improvement over the industry-standard OP07E. The 50nV/°C offset drift specification is over 25 times lower than the OP07E. The increased performance eliminates VOS trim procedures, periodic potentiometer adjustment and the reliability problems caused by damaged trimmers,

FEATURES
■ Low Input Offset Voltage ......................... 0.7µV Typ
■ Low Input Offset Voltage Drift ......... 0.05µV/°C Max
■ Low Input Bias Current ............................ 10pA Max
■ High Impedance Differential CMOS Inputs.... 1012Ω
■ High Open-Loop Voltage Gain................ 120dB Min
■ Low Input Noise Voltage ............................ 2.0µVp-p
■ High Slew Rate .......................................... 2.5V/µsec
■ Low-Power Operation..................................... 20mW
■ Output Clamp Speeds Recovery Time
■ Compensated Internally for Stable Unity Gain Operation
■ Direct Replacement for ICL7650
■ Available in 8-Pin Dip and 14-Pin Dip

TelCom-Semiconductor
TelCom Semiconductor Inc => Microchip
Description : CHOPPER-STABILIZED OPERATIONAL AMPLIFIER

GENERAL DESCRIPTION
The TC7650 CMOS CHOPPER-STABILIZED OPERATIONAL AMPLIFIER practically removes offset voltage error terms from system error calculations. The 5µV maximum VOS specification, for example, represents a 15 times improvement over the industry-standard OP07E. The 50nV/°C offset drift specification is over 25 times lower than the OP07E. The increased performance eliminates VOS trim procedures, periodic potentiometer adjustment and the reliability problems caused by damaged trimmers.

FEATURES
■ Low Input Offset Voltage ......................... 0.7µV Typ
■ Low Input Offset Voltage Drift ......... 0.05µV/°C Max
■ Low Input Bias Current ............................ 10pA Max
■ High Impedance Differential CMOS Inputs.... 1012Ω
■ High Open-Loop Voltage Gain................ 120dB Min
■ Low Input Noise Voltage ............................ 2.0µVp-p
■ High Slew Rate .......................................... 2.5V/µsec
■ Low-Power Operation..................................... 20mW
■ Output Clamp Speeds Recovery Time
■ Compensated Internally for Stable Unity Gain Operation
■ Direct Replacement for ICL7650
■ Available in 8-Pin Dip and 14-Pin Dip

Part Name(s) : LTC1047CS
Linear
Linear Technology
Description : Dual Micropower Chopper Stabilized OPERATIONAL AMPLIFIER with Internal Capacitors

DESCRIPTION
The LTC1047 is a micropower, high performance dual zero-drift OPERATIONAL AMPLIFIER. The sample-and-hold capacitors usually required by other chopper AMPLIFIERs are integrated on-chip, minimizing the need for external components.

FEATURES
■ No External Components Required
■ Supply Current: 80µA
■ Maximum Offset Voltage: 10µV
■ Maximum Offset Voltage Drift: 50nV/°C
■ Minimum CMRR: 110dB
■ Minimum PSRR: 110dB
■ Single Supply Operation: 4.75V to 16V
■ Common Mode Range Includes GND
■ Output Swings to GND
■ Typical Overload Recovery Time: 70ms
■ Pin Compatible with Industry Standard Dual Op Amps

APPLICATIONS
■ Thermocouple AMPLIFIERs
■ Electronic Scales
■ Battery Powered Instrumentation
■ Strain Gauge AMPLIFIERs
■ Remote Located Sensors

Microchip
Microchip Technology
Description : Low Noise, Chopper Stabilized OPERATIONAL AMPLIFIER

General Description
The TC7652 is a lower noise version of the TC7650, sacrificing some input specifications (bias current and bandwidth) to achieve a 10x reduction in noise. All the other benefits of the chopper technique are present, (i.e, freedom from offset adjust, drift and reliability problems from external trim components). Like the TC7650, the TC7652 requires only two noncritical external caps for storing the chopped null potentials. There are no significant chopping spikes, internal effects or over range lockup problems.

Features
• Low Offset Over Temperature Range: 10µV
• Ultra Low Long Term Drift: 150nV/Month
• Low Temperature Drift: 100nV/°C
• Low DC Input Bias Current: 15pA
• High Gain, CMRR and PSRR: 110dB Min
• Low Input Noise Voltage: 0.2µVp-p (DC to 1Hz)
• Internally Compensated for Unity Gain Operation
• Clamp Circuit for Fast Overload Recovery

Applications
• Instrumentation
• Medical Instrumentation
• Embedded Control
• Temperature Sensor AMPLIFIER
• Strain Gage AMPLIFIER

 

Description : 2MHz, Super CHOPPER-STABILIZED OPERATIONAL AMPLIFIER

The ICL7650S Super CHOPPER-STABILIZED AMPLIFIER offers exceptionally low input offset voltage and is extremely stable with respect to time and temperature. It is a direct replacement for the industry-standard ICL7650 offering improved input offset voltage, lower input offset voltage temperature coefficient, reduced input bias current, and wider common mode voltage range. All improvements are highlighted in bold italics in the Electrical Characteristics section. Critical parameters are guaranteed over the entire commercial temperature range.

Features
• Guaranteed Max Input Offset Voltage for All Temperature Ranges
• Low Long-Term and Temperature Drifts of Input Offset Voltage
• Guaranteed Max Input Bias Current. . . . . . . . . . . . . .10pA
• Extremely Wide Common Mode
Voltage Range. . . . . . . . . . . . . . . . . . . . . . . +3.5V to -5V
• Reduced Supply Current . . . . . . . . . . . . . . . . . . . . . . 2mA
• Guaranteed Minimum Output Source/Sink Current
• Extremely High Gain . . . . . . . . . . . . . . . . . . . . . . . .150dB
• Extremely High CMRR and PSRR . . . . . . . . . . . . . .140dB
• High Slew Rate. . . . . . . . . . . . . . . . . . . . . . . . . . . .2.5V/µs
• Wide Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2MHz
• Unity-Gain Compensated
• Clamp Circuit to Avoid Overload Recovery Problems and Allow Comparator Use
• Extremely Low Chopping Spikes at Input and Output
• Improved, Direct Replacement for Industry-Standard ICL7650 and other Second-Source Parts

Description : 2MHz, Super CHOPPER-STABILIZED OPERATIONAL AMPLIFIER

The ICL7650S Super CHOPPER-STABILIZED AMPLIFIER offers exceptionally low input offset voltage and is extremely stable with respect to time and temperature. It is a direct replacement for the industry-standard ICL7650 offering improved input offset voltage, lower input offset voltage temperature coefficient, reduced input bias current, and wider common mode voltage range. All improvements are highlighted in bold italics in the Electrical Characteristics section. Critical parameters are guaranteed over the entire commercial temperature range.
Intersil’s unique CMOS CHOPPER-STABILIZED AMPLIFIER circuitry is user-transparent, virtually eliminating the traditional chopper AMPLIFIER problems of intermodulation effects, chopping spikes, and overrange lockup.

Features
• Guaranteed Max Input Offset Voltage for All Temperature
   Ranges
• Low Long-Term and Temperature Drifts of Input Offset
   Voltage
• Guaranteed Max Input Bias Current . . . . . . . . . . . . .10pA
• Extremely Wide Common Mode
   Voltage Range. . . . . . . . . . . . . . . . . . . . . . . +3.5V to -5V
• Reduced Supply Current . . . . . . . . . . . . . . . . . . . . . . 2mA
• Guaranteed Minimum Output Source/Sink Current
• Extremely High Gain . . . . . . . . . . . . . . . . . . . . . . . .150dB
• Extremely High CMRR and PSRR . . . . . . . . . . . . . .140dB
• High Slew Rate . . . . . . . . . . . . . . . . . . . . . . . . . . .2.5V/μs
• Wide Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2MHz
• Unity-Gain Compensated
• Clamp Circuit to Avoid Overload Recovery Problems and
   Allow Comparator Use
• Extremely Low Chopping Spikes at Input and Output
• Improved, Direct Replacement for Industry-Standard
   ICL7650 and other Second-Source Parts
• Pb-Free Plus Anneal Available (RoHS Compliant)

TelCom-Semiconductor
TelCom Semiconductor Inc => Microchip
Description : LOW NOISE, CHOPPER-STABILIZED OPERATIONAL AMPLIFIER

GENERAL DESCRIPTION
The TC7652 is a lower noise version of the TC7650, sacrificing some input specifications (bias current and band width) to achieve a 10x reduction in noise. All the other benefits of the chopper technique are present, i.e. freedom from offset adjust, drift, and reliability problems from external trim components. Like the TC7650, the TC7652 requires only two noncritical external caps for storing the chopped null potentials. There are no significant chopping spikes, internal effects or overrange lockup problems.

FEATURES
■ Low Offset Over Temperature Range ............ 10µV
■ Ultra-Low Long-Term Drift .................150nV/Month
■ Low Temperature Drift ............................. 100nV/°C
■ Low DC Input Bias Current ............................. 15pA
■ High Gain, CMRR and PSRR ................. 110dB Min
■ Low Input Noise Voltage .........0.2µVP-P; DC to 1Hz
■ Internally-Compensated for Unity-Gain Operation
■ Clamp Circuit for Fast Overload Recovery

 

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