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REF102AP Datasheet(PDF) 8 Page - Texas Instruments |
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REF102AP Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 19 page ![]() REF102 8 SBVS022B www.ti.com FIGURE 7. +10V Reference With Output Current Boosted to: a) ±20mA, b) +100mA, and c) I L (TYP) +10mA, –5A. Ω – + OPA227 6 220 +10V I L 6 +10V I L 2N2905 6 +10V I L 4 REF102 V+ a) −20mA < I L < +20mA (OPA227 also improves transient immunity) b) −5mA < I L < +100mA c) I L (MAX) = IL (TYP) +10mA I L (MIN) = IL (TYP) −5mA V CC − 10V I L (TYP) R 1 = 2 4 REF102 V+ 2 4 REF102 V+ 2 – + INA126 V x100 2 4 6 +15V −5V –15V 357 1/2W Ω 2 3 OPA227 – + 357 1/2W Ω 28mA 28.5mA +5V 350 Strain Gauge Bridge Ω 5 10 8 R G OUT 6 REF102 V+ REF102 6 4 2 3 See SBVA007 for more details. 1 25k Ω 25k Ω 25k Ω 25k Ω INA105 5 6 +10V Out −10V Out 2 – + LOAD I OUT Can be connected to ground or −V . S V+ REF102 2 6 4 OPA277 R I OUT = , R ≥ 1kΩ See SBVA001 for more details and I SINK Circuit. 10V R FIGURE 8. Strain Gauge Conditioner for 350 Ω Bridge. FIGURE 9. ±10V Reference. FIGURE 10. Positive Precision Current Source. |
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