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Product Detailed Parameters
- Description：IC CMOS 4 CIRCUIT 14DIP
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Amplifier Type：CMOS
- Number of Circuits：4
- Output Type：Rail-to-Rail
- Slew Rate：1.6V/µs
- Gain Bandwidth Product：1.4 MHz
- Current - Input Bias：1 pA
- Voltage - Input Offset：20 mV
- Current - Supply：1mA (x4 Channels)
- Current - Output / Channel：-
- Voltage - Supply Span (Min)：2 V
- Voltage - Supply Span (Max)：16 V
- Operating Temperature：0°C ~ 70°C
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：14-DIP (0.300", 7.62mm)
- Supplier Device Package：14-PDIP
- -3db Bandwidth：-
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Overview
The ICL7641ECPD+ is a quad monolithic CMOS operational amplifier from the ICL761X–ICL764X family, manufactured by Analog Devices Inc./Maxim Integrated. It features four independent amplifiers in a 14-pin Plastic DIP package with an operating temperature range of 0°C to +70°C. The device offers ultra-low input bias current and low power consumption over a wide supply voltage range.
Feature Summary
- Ultra-low input bias current for high-impedance source applications
- Monolithic low-power CMOS design architecture
- Rail-to-rail output voltage swing capability
Applications
- Long-time constant integrators
- Picoammeters
- Low droop rate sample/hold amplifiers
- pH meters and photodiode amplifiers
Procurement Notes
Verify the specific suffix ECPD corresponds to the 14-pin Plastic DIP package and commercial temperature grade (0°C to +70°C). Confirm RoHS compliance status as datasheets may vary by production batch. Ensure the ordering code matches the exact quad configuration required for the circuit design.
Selection Notes
Select this component when multiple low-bias channels are needed in a single package. The quad topology reduces board space compared to single-channel alternatives. Verify that the fixed quiescent current meets the bandwidth requirements, as programmable settings are not available on the quad variant.
Part Context
This part belongs to the ICL761X–ICL764X series of general-purpose CMOS op amps. The '4' indicates a quad configuration containing four amplifiers. The 'E' denotes the electrical characteristics for the commercial temperature range, while 'PD' specifies the 14-pin plastic dual in-line package format.
Replacement Considerations
ICL7642CCPD+
FAQ
Does the ICL7641 support programmable quiescent current?
No, the quad configuration (ICL7641) has fixed quiescent currents. Programmable IQ settings are only available on the single (ICL7611) and triple (ICL7631) variants.
What is the typical input bias current specification?
The typical input bias current is 1pA at +25°C, making it suitable for applications requiring minimal loading on high-impedance sources.
