All Sections Texas Instruments - 3

21. Solid state airflow sensor with linear 4-20mA output
    Stephen Woodward
    Circuits Texas Instruments LM7905 TLV2197
    A self-heated Darlington transistor pair makes a simple, sensitive, and sturdy airflow sensor. But first an annoying non-linearity needs unbending. If you take a self-heated transistor in a TO-92 package and force it to hold a constant temperature ...
    Jul 14, 2026
22. Tachometer frequency to 4-20mA loop current converter
    Jayapal Ramalingam
    Circuits Texas Instruments LM2907
    Converting frequency signals to loop current signals creates an economical result for process industry applications. Process industry applications commonly employ multiple motors. Their speeds are monitored by tachometers using magnetic pickups ...
    Jul 8, 2026

23. Position sensor gets linear 4 to 20mA current source output
    Stephen Woodward
    Circuits Texas Instruments SN74HC4066 TLV197-Q1 TLV9051
    A linearized output is a useful elaboration of a capacitive sensor design. But what if the circuit is located a significant distance from the control electronics? Recently, Design Ideas included a circuit ( Ref. 1 ) that comprised a simple analog ...
    Jul 8, 2026
24. Capacitive position sensor with linearized output
    Stephen Woodward
    Circuits Texas Instruments SN74HC4066 TLV9051
    An only slightly less simple followup circuit also ratios sensor capacitance to a reference capacitor to measure micrometers this time linearly. A few weeks ago, Design Ideas published a simple circuit of mine that provides an analog interface to ...
    Jun 25, 2026
25. Calibration, Part 2
    Aubrey Kagan
    Articles Texas Instruments LMP90100
    In my first blog about calibration [ 1 ], I discussed calibrating inputs using techniques that tolerated offsets by simply including them in the measurements. In this blog I will look at nullifying the offsets. The initial approach is to build in ...
    Jun 17, 2026
26. 4mA-20mA to 0mA-20mA converter's current mirror drives grounded load
    Stephen Woodward
    Circuits Texas Instruments TLV197-Q1 TLV431
    The ubiquity of the 4 to 20 mA current loop in analog process monitoring and control creates possibilities for peculiar designs of circuits for unusual accessory functions. Figure 1 shows an example. It does precision conversion of 4-20 mA to 0-20 ...
    Jun 15, 2026
27. TLV4197QPWRQ1 — Datasheet Texas Instruments
    Datasheets Texas Instruments TLV4197QPWRQ1
    

    Automotive, quad-channel, high-voltage, low-offset, rail-to-rail input output op amp in TSSOP-14 package The TLV197-Q1, TLV2197-Q1 and TLV4197-Q1 (TLVx197-Q1) family of devices are part of a new generation, of low-cost, 36-V, automotive-qualified, ...
    Jun 15, 2026
28. TLV4197-Q1 — Datasheet Texas Instruments
    Datasheets Texas Instruments
    Automotive, quad-channel, high-voltage, low-offset, rail-to-rail input output op amp in TSSOP-14 package The TLV197-Q1, TLV2197-Q1 and TLV4197-Q1 (TLVx197-Q1) family of devices are part of a new generation, of low-cost, 36-V, automotive-qualified, ...
    Jun 15, 2026
29. TLV2197QDGKRQ1 — Datasheet Texas Instruments
    Datasheets Texas Instruments TLV2197QDGKRQ1
    

    Automotive, dual channel, high-voltage, precision, RRIO op amp in VSSOP-8 package The TLV197-Q1, TLV2197-Q1 and TLV4197-Q1 (TLVx197-Q1) family of devices are part of a new generation, of low-cost, 36-V, automotive-qualified, operational amplifiers. ...
    Jun 15, 2026
30. TLV2197-Q1 — Datasheet Texas Instruments
    Datasheets Texas Instruments
    Automotive, dual channel, high-voltage, precision, RRIO op amp in VSSOP-8 package The TLV197-Q1, TLV2197-Q1 and TLV4197-Q1 (TLVx197-Q1) family of devices are part of a new generation, of low-cost, 36-V, automotive-qualified, operational amplifiers. ...
    Jun 15, 2026

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