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Product Detailed Parameters
- Description：ISO121 - 10 V-INPUT PRECISION IS
- Series：-
- Mfr：Burr Brown
- Package：Bulk
- Amplifier Type：Isolation
- Number of Circuits：1
- Output Type：-
- Slew Rate：2V/µs
- Gain Bandwidth Product：60 kHz
- Current - Input Bias：-
- Voltage - Input Offset：5 mV
- Current - Supply：5mA
- Current - Output / Channel：15 mA
- Voltage - Supply Span (Min)：9 V
- Voltage - Supply Span (Max)：36 V
- Operating Temperature：-25°C ~ 85°C
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：40-CDIP (0.600", 15.24mm), 16 Leads
- Supplier Device Package：16-CDIP SB
- -3db Bandwidth：-
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Overview
The ISO121BG is a precision isolation amplifier manufactured by Burr-Brown. It features a single-channel architecture housed in a 16-CDIP SB package. Key electrical parameters include a supply current of 5mA, an output current of 15mA per channel, and a slew rate of 2V/µs. The device exhibits a gain bandwidth product of 60 kHz and a voltage input offset of 5 mV. It supports a maximum supply voltage of 18V and operates within a temperature range of -55°C to higher limits.
Feature Summary
- Provides galvanic isolation for signal transmission between circuits
- Designed for precision applications requiring low input offset voltage
- Integrates internal power regulation for simplified system design
Applications
- Industrial process control systems
- Medical equipment signal conditioning
- Data acquisition systems requiring isolation
Procurement Notes
Verify the specific suffix (BG) against the manufacturer's current datasheet to confirm pinout and packaging details. Ensure compatibility with existing board layouts due to the CDIP package style. Check for updated RoHS compliance status if required by your manufacturing standards. Confirm availability through authorized distributors as this component may be legacy.
Selection Notes
Select this component when high precision and moderate speed are required in isolated environments. The 60 kHz bandwidth suits many industrial sensing applications. Consider the 16-CDIP package constraints during PCB layout. Compare against newer Texas Instruments equivalents if long-term supply assurance is critical.
Part Context
This part belongs to the ISO12x family of precision isolation amplifiers from Burr-Brown. It shares functional similarities with the ISO120 and ISO122 series but offers specific performance characteristics tailored for cost-sensitive precision applications. The BG suffix typically denotes a specific package or temperature grade variant within the Burr-Brown lineup.
Replacement Considerations
Direct substitutes include the ISO120BG and ISO122BG from the same manufacturer family. Verify pin compatibility before replacing. Newer generations may offer improved specifications but require schematic review.
