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Overview
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Development Resources
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Application
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Ordering Detail
Overview
The TPA3530 operational amplifier features a femtoampere-level input bias current. It operates from 4.5 V to 16 V (±2.25 V to ±8 V), and features rail-to-rail output swing in addition to an input common-mode range that includes ground. The integrated guard buffer isolates the input pins from leakage in the printed circuit board. It minimizes board component counts and enables easy system design.
The TPA3530 is ideal for portable medical and industrial applications that require low-bias current analog front-end performance, such as photodiode trans-impedance and chemical sensor interface circuits.
The TPA3530 is available in the SOP8 package, and is specified over the industrial temperature range from –40°C to +125°C. The unique pinout is optimized to prevent signals from coupling among the sensitive input pins, power supplies, and output pins while enabling easy routing of the guard ring traces.
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Status
Production
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Rating
Industrial
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Channel
1
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Supply Voltage (Min)
4.5
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Supply Voltage (Max)
16
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Iq per channel (Max) (μA)
1400
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GBW (Typ) (MHz)
2.1
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Slew Rate (Typ) (V/μs)
1.4
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Rail-Rail In
No, to V- only
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Rail-Rail Out
Yes
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Ishort (Typ) (mA)
31
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Vos (Max) (mV)
0.1
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Offset Drift (Typ) (μV/°C)
2
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Ib (typ) (pA)
/
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Vn (Typ) (nV/rtHz)
18
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Peak Noise at 0.1 to 10Hz (μVpp)
/
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Shutdown/Disable
/
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Operating Temperature Range (°C)
-40 to 125
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Feature
Low Ib
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Package
SOP8
Development Resources
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Documentation
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Show FilterHidden FilterDocumentation
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Data Sheet
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Selection Guide
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Application Note
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Technical Note
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User Guide
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Test Report
- Document Name
- Type
- Language
- Date
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Data SheetEnglish05/22/2024
Femtoampere Input Bias Current Amplifier
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Technical NoteEnglish01/19/2024
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Technical NoteEnglish01/19/2024
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Technical NoteEnglish01/19/2024
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Technical NoteEnglish01/19/2024
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Selection GuideEnglish01/19/2024
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Application
• Photodiode Sensor Interface
• Industrial Sensors and Instrumentation
• A.T.E. Leakage Testing
Ordering Detail
| Order Part Number | Buy | Samples | Rating | Feature | Status | 1ku Price | Release Date | Package | Lead time (week) | MSL | Packing | MPQ | CPQ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TPA3530-SO1R | Industrial Grade | / | Production | $23.264 | 2023-07-16 | SOP8 | 11 | MSL2 | T&R | 4000 | 20000 |
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