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Part Name(s) : MAX420 MAX420CPA MAX420EPA MAX420MTV MAX421 MAX421C/D MAX421CPD MAX421CWE MAX421EPD MAX421M/D MaximIC
Maxim Integrated
Description : ±15 Volt Chopper Stabilized OPERATIONAL AMPLIFIER View

±15 Volt Chopper Stabilized OPERATIONAL AMPLIFIER

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

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

Part Name(s) : TC7650 TC7650CPA TC7650CPD TELCOM
TelCom Semiconductor, Inc
Description : CHOPPER-STABILIZED OPERATIONAL AMPLIFIER View

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) : TC7650 TC7650CPA TC7650CPD TelCom-Semiconductor
TelCom Semiconductor Inc => Microchip
Description : CHOPPER-STABILIZED OPERATIONAL AMPLIFIER View

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 View

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

Part Name(s) : ICL7650SCBA-1 ICL7650SCPA-1 ICL7650SCPD ICL7650SCTV-1 ICL7650S_00 Intersil
Intersil
Description : 2MHz, Super CHOPPER-STABILIZED OPERATIONAL AMPLIFIER View

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

Part Name(s) : TLC2652A_99 TLC2652Y_99 TLC2652_99 TLC2652AI14D TLC2652AI8D TLC2652AC8D TI
Texas Instruments
Description : Advanced LinCMOS PRECISION CHOPPER-STABILIZED OPERATIONAL AMPLIFIERS View

description
The TLC2652 and TLC2652A are high-precision CHOPPER-STABILIZED OPERATIONAL AMPLIFIERs using Texas Instruments Advanced LinCMOS process. This process in conjunction with unique chopper-stabilization circuitry produces opera tional AMPLIFIERs whose performance matches or exceeds that of similar devices available today.
Chopper-stabilization techniques make possible extremely high dc precision by continuously nulling input offset voltage even during variation in temperature, time, common-mode voltage, and power supply voltage. In addition, low-frequency noise voltage is significantly reduced. This high precision, coupled with the extremely high input impedance of the CMOS input stage, makes the TLC2652 and TLC2652A an ideal choice for low-level signal processing applications such as strain gauges, thermocouples, and other transducer AMPLIFIERs. For applications that require extremely low noise and higher usable bandwidth, use the TLC2654 or TLC2654A device, which has a chopping frequency of 10 kHz.
The TLC2652 and TLC2652A input common-mode range includes the negative rail, thereby providing superior performance in either single-supply or split-supply applications, even at power supply voltage levels as low as ±1.9 V.

● Extremely Low Offset Voltage . . . 1 µV Max
● Extremely Low Change on Offset Voltage With Temperature . . . 0.003 µV/°C Typ
● Low Input Offset Current 500 pA Max at TA = – 55°C to 125°C
● AVD . . . 135 dB Min
● CMRR and kSVR . . . 120 dB Min
● Single-Supply Operation
● Common-Mode Input Voltage Range Includes the Negative Rail
● No Noise Degradation With External Capacitors Connected to VDD–

Part Name(s) : 7650SCBA-1 7650SCBA-1Z 7650SCPA-1 7650SCPA-1Z 7650SCPDZ ICL7650SCBA-1 ICL7650SCBA-1T ICL7650SCBA-1Z ICL7650SCBA-1ZT ICL7650SCPA-1 Renesas
Renesas Electronics
Description : 2MHz, Super CHOPPER-STABILIZED OPERATIONAL AMPLIFIER View

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)

Part Name(s) : TC7652 TC7652CPA TC7652CPD Microchip
Microchip Technology
Description : Low Noise, Chopper Stabilized OPERATIONAL AMPLIFIER View

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



 


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