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Product Detailed Parameters
- Description：IC OPAMP ZER-DRIFT 1CIRC 8SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube,Tube
- Amplifier Type：Chopper (Zero-Drift)
- Number of Circuits：1
- Output Type：-
- Slew Rate：2.5V/µs
- Gain Bandwidth Product：2 MHz
- Current - Input Bias：1.5 pA
- Voltage - Input Offset：700 µV
- Current - Supply：1.2mA
- Current - Output / Channel：-
- Voltage - Supply Span (Min)：4.5 V
- Voltage - Supply Span (Max)：16 V
- Operating Temperature：0°C ~ 70°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- -3db Bandwidth：-
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Overview
The ICL7650CSA+ is a chopper-stabilized operational amplifier manufactured by Maxim Integrated, housed in an 8-pin SO package. It features a maximum input offset voltage of 1µV and a low input bias current of 10pA. The device operates within a supply voltage range of 4.5V to 16V with a typical supply current of 2mA. It provides a unity-gain bandwidth of 2MHz and a slew rate of 2.5V/µs. Common-mode rejection ratio and power-supply rejection ratio are specified at a minimum of 120dB. The component is designed for commercial temperature ranges from 0°C to +70°C.
Feature Summary
- Chopper-stabilized architecture utilizing continuous error correction to maintain minimal input offset voltage across the operating temperature range.
- Monolithic CMOS design providing high common-mode rejection ratio and power-supply rejection ratio without requiring external offset trimming.
- Integrated output clamp circuitry on the ICL7650 variant to minimize overload recovery time and prevent overrange lockup.
Applications
- Precision Amplifier
- Instrumentation Amplifier
- Thermocouples
- Strain Gauges
Procurement Notes
Verify that the ordering suffix CSA corresponds to the 8-pin Small Outline package and commercial temperature range. Confirm RoHS compliance status associated with the plus sign if required by specific manufacturing standards. Ensure the source documentation explicitly supports the intended application parameters before finalizing procurement decisions.
Selection Notes
Select this component when extremely low DC offset and drift are critical requirements for signal conditioning. The chopper-stabilized technology eliminates the need for manual offset nulling adjustments. Consider the 14-pin variants if external clock control or additional guard pins are necessary for specific PCB layout constraints.
Part Context
This device belongs to the ICL7650 family of chopper-stabilized amplifiers produced by Maxim Integrated. It serves as an improved second source to Intersil's ICL7650B series. The family includes variations such as the ICL7653 which omits the output clamp feature for slightly lower noise performance.
Replacement Considerations
The datasheet identifies the ICL7650B as an exact replacement for Intersil’s ICL7650B. Verify pin compatibility with legacy designs, noting that external null capacitors connect to pins 1 and 8 unlike standard op-amps.
