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BU7242SF-E2
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Product Detailed Parameters
- Description：IC CMOS 2 CIRCUIT 8SOP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Amplifier Type：CMOS
- Number of Circuits：2
- Output Type：Rail-to-Rail
- Slew Rate：0.4V/µs
- Gain Bandwidth Product：900 kHz
- Current - Input Bias：1 pA
- Voltage - Input Offset：1 mV
- Current - Supply：180µA
- Current - Output / Channel：12 mA
- Voltage - Supply Span (Min)：1.8 V
- Voltage - Supply Span (Max)：5.5 V
- Operating Temperature：-40°C ~ 105°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.173", 4.40mm Width)
- Supplier Device Package：8-SOP
- -3db Bandwidth：-
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Overview
The BU7242SF-E2 is a dual-channel low voltage CMOS operational amplifier manufactured by ROHM Semiconductor. It operates within a supply voltage range of 1.8 V to 5.5 V and features a gain-bandwidth product of 900 kHz with a slew rate of 400 mV/us. The device draws a typical operating current of 180 uA per channel and provides an output current of 10 mA. Key electrical parameters include an input offset voltage of 1 mV, input bias current of 1 pA, common-mode rejection ratio of 45 dB, and power supply rejection ratio of 60 dB. It is housed in an SOP-8 package and supports surface mount installation across a temperature range of -40 C to +105 C.
Feature Summary
- Supports low voltage operation from 1.8 V to 5.5 V
- Features very low input bias current for high impedance applications
- Provides full amplitude input and output swing capabilities
Applications
- Low voltage signal conditioning circuits
- Battery-powered portable electronic devices
- General purpose analog signal processing
Procurement Notes
Verify the specific suffix E2 against the manufacturer's official datasheet to confirm pinout compatibility and electrical specifications. Ensure the SOP-8 package dimensions match the target PCB footprint. Confirm RoHS compliance status through the latest component documentation before finalizing procurement decisions.
Selection Notes
Select this component when a dual-channel op amp with low quiescent current and rail-to-rail output swing is required. The 900 kHz bandwidth suits moderate-speed applications. Verify that the 1 mV input offset voltage meets system accuracy requirements. Consider thermal performance within the specified operating temperature range during design integration.
Part Context
This part belongs to the BU7242 series of low voltage CMOS operational amplifiers. The series integrates phase compensation capacitors internally, simplifying circuit design. The device is designed for single-supply operation and offers wide temperature stability. It serves as a general-purpose solution for consumer electronics and industrial control systems requiring efficient power usage.
Replacement Considerations
BU7242SNUX-TR and BU7242SFVM-TR are alternative packages within the same functional family. Verify pin compatibility and package dimensions before substitution.
