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BU5281SG-TR
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Product Detailed Parameters
- Description：IC OPAMP GP 1 CIRCUIT 5SSOP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR)
- Amplifier Type：General Purpose
- Number of Circuits：1
- Output Type：-
- Slew Rate：2V/µs
- Gain Bandwidth Product：3 MHz
- Current - Input Bias：1 pA
- Voltage - Input Offset：100 µV
- Current - Supply：750µA
- Current - Output / Channel：16 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：SC-74A, SOT-753
- Supplier Device Package：5-SSOP
- -3db Bandwidth：-
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Overview
The BU5281SG-TR is a single-channel, ground-sense CMOS operational amplifier manufactured by Rohm Semiconductor. It operates on a single supply voltage ranging from +1.8V to +5.5V and features an extended operating temperature range of -40°C to +105°C. Key electrical specifications include a maximum input offset voltage of ±2.5mV, a typical slew rate of 2.0V/µs, and a unity gain frequency of 3MHz. The device draws a maximum supply current of 1200µA and provides output currents up to 16mA sink and 8mA source.
Feature Summary
- Ground sense input capability allowing operation down to the negative supply rail
- Full swing output performance extending close to both supply rails
- Low input bias current suitable for high-impedance sensor interfaces
- Extended industrial temperature rating for harsh environments
Applications
- Sensor Amplifier
- Active Filter
- Buffer
- Mobile Equipment
Procurement Notes
Verify the specific 'SG' suffix to confirm the extended temperature range (-40°C to +105°C) compared to the standard 'G' variant. Ensure the 'TR' designation matches the required tape and reel packaging format for automated assembly processes. Cross-reference the datasheet revision date against manufacturing lot codes to ensure compliance with current production standards.
Selection Notes
Select this component when low-voltage operation below 3V is required alongside ground-referenced signal inputs. The MOSFET input stage offers minimal bias current, making it appropriate for capacitive or high-impedance sources. Verify that the thermal dissipation requirements are met within the target ambient temperature limits using the provided derating curves.
Part Context
This part belongs to the BU5281xx series of low input offset voltage, ground sense CMOS operational amplifiers. The 'SG' suffix specifically denotes the industrial temperature grade variant, distinguishing it from the commercial grade 'BU5281G'. Both variants share identical pinouts and core electrical characteristics but differ in their qualified operating temperature ranges.
Replacement Considerations
The BU5281G-TR serves as the commercial-grade alternative with a limited temperature range of -40°C to +85°C. Designers requiring the same electrical performance but operating in non-industrial environments may substitute this part while verifying thermal constraints.
