Texas Instruments OPA387DBVT
- Part Number:
- OPA387DBVT
- Manufacturer:
- Texas Instruments
- Ventron No:
- 6405396-OPA387DBVT
- Description:
- Ultra-high precision (2 μV), zero-drift (0.003 μV/C), low-input-bias-current op amp (single)
- ECAD Model:
-
- Datasheet:
- opa387
- Number of channels1
- Total supply voltage ( 5 V = 5±5 V = 10) (min) (V)
- Vos (offset voltage at 25°C) (max) (mV)0.002
- GBW (typ) (MHz)5.7
- FeaturesZero Drift
- Slew rate (typ) (V/μs)2.8
- Rail-to-railIn
- Offset drift (typ) (V/°C)0.000000003
- Iq per channel (typ) (mA)0.57
- Vn at 1 kHz (typ) (nV√Hz)8.5
- CMRR (typ) (dB)150
- RatingCatalog
- Operating temperature range (°C)-40 to 125
- Input bias current (max) (pA)150
- Iout (typ) (A)0.055
- ArchitectureCMOS
- Input common mode headroom (to negative supply) (typ) (V)-0.2
- Input common mode headroom (to positive supply) (typ) (V)0.1
- Output swing headroom (to negative supply) (typ) (V)0.001
- Output swing headroom (to positive supply) (typ) (V)-0.001
- THD N at 1 kHz (typ) (%)0.002
The OPA387, OPA2387, and OPA4387 ( OPAx387) family of precision amplifiers offers state-of-the-art performance. With zero-drift technology, the OPAx387 offset voltage and offset drift provide unparalleled long-term stability. With a mere 570 µA of quiescent current, the OPAx387 are able to achieve 5.7 MHz of bandwidth, a broadband noise of 8.5 nV/√Hz, and a 1/f noise at 177 nVPP. These specifications are crucial to achieve extremely-high precision and no degradation of linearity in 16-bit to 24-bit analog to digital converters (ADCs). The OPAx387 feature flat bias current over temperature; therefore, little to no calibration is needed in high input impedance applications over temperature.
All versions are specified over the industrial temperature range of –40°C to 125°C.
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