TS1851
24Pages

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Catalog excerpts

TS1851 - 1

Features ■ Operating range from Vcc = 1.8 to 6 V ■ Rail-to-rail input and output ■ Extended V^ (Vcc- - 0.2 V to Vcc + + 0.2 V) ■ Low supply current (120 pA) ■ Good accuracy (1 mV max for A version) ■ Gain bandwidth product (530 kHz) ■ High unity gain stability (able to drive 500 pF) ■ ESD tolerance (2 kV) ■ Latch-up immunity ■ Available in SOT23-5 micropackage Applications ■ Two-cell battery-powered systems ■ Battery-powered electronic equipment ■ cordless phones ■ cellular phones ■ Laptops ■ PDAs Description The TS185x (single, dual and quad) can operate with voltages as low as 1.8 V. They feature both input and output rail-to-rail (1.71 at Vcc = 1.8 V, Rl = 2 kQ), 120 pA current consumption and 530 kHz gain bandwidth product. With this low consumption and a sufficient GBP for many applications, these operational amplifiers are well-suited to all kinds of battery supplied and portable applications. The TS1851 is housed in the space-saving 5-pin SOT23-5 package, which simplifies board design (outside dimensions are 2.8 mm x 2.9 mm). Table 1. Device summary

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Absolute maximum ratings and operating conditions . . . . . . . . . . . . . 3

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TS185x, TS185xA Absolute maximum ratings and operating conditions Table 2. Absolute maximum ratings 1. All voltage values, except differential voltages, are with respect to network terminal. 2. Differential voltages are the non-inverting input terminal with respect to the inverting input terminal. If Vid > ±1 V, the maximum input current must not exceed ±1 mA. When Vjd > ±1 V, add an input series resistor to limit the input current. 3. Short-circuits can cause excessive heating. Destructive dissipation can result from simultaneous short-circuits on all amplifiers. 4. Human body model: a 100...

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Absolute maximum ratings and operating conditions TS185x, TS185xA Table 3. Operating conditions

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Table 4. Electrical characteristics measured at Vcc+ = +1.8 V, Vcc. = 0 V, with CL and RL connected to Vcc/2, Tamb = 25°C (unless otherwise specified) (1) 1. All parameter limits at temperatures other than 25°C are guaranteed by correlation. 2. Maximum values include unavoidable inaccuracies of the industrial tests.

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Table 5. Electrical characteristics measured at Vcc+ = +3 V, Vcc_ = 0 V, with CL and RL connected to Vcc/2, Tamb = 25°C (unless otherwise specified) (1) 1. All parameter limits at temperatures other than 25°C are guaranteed by correlation. 2. Maximum values include unavoidable inaccuracies of the industrial tests.

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Table 6. Electrical characteristics measured at Vcc+ = +5 V, Vcc_ = 0 V, with CL and RL connected to Vcc/2, Tamb = 25°C (unless otherwise specified) (1) 1. All parameter limits at temperatures other than 25°C are guaranteed by correlation. 2. Maximum values include unavoidable inaccuracies of the industrial tests.

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Electrical characteristics Input offset voltage distribution Input Voltage Drift (µV) 400 488 pieces tested Vcc = 10V Temp = +25°C Input offset voltage vs. temperature Vcc = 1.8V Input Offset Voltage (mV) Input bias current vs. temperature at Vcc = 1.8 V Input bias current (nA) Input bias current (nA) Input bias current vs. temperature at Vcc = 5 V Supply current/amplifier vs. supply voltage Input bias current (nA) Input bias current vs. temperature at Vcc = 3 V

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Supply current/amplifier vs. temperature Common Mode Rejection (dB) Electrical characteristics Common mode rejection vs. temperaturej at Vcc = 1.8 p V Common mode rejection vs. temperaturej at Vcc = 3 Vp Figure 10. Common mode rejection vs. temperature at Vcc = 5 V Common Mode Rejection (dB) Common Mode Rejection (dB) Supply Voltage Rejection (dB) Supply Voltage Rejection (dB) Figure 12. Supply voltage rejection vs. temperature at Vcc = 3 V Figure 11. Supply voltage rejection vs. temperature at Vcc = 2 V

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Electrical characteristics Figure 13. Supply voltage rejection vs. temperature at Vcc = 5 V Figure 14. Open loop gain vs. temperature at Vcc = 1.8 V 110 Open Loop Gain (dB) Supply Voltage Rejection (dB) Open Loop Gain (dB) Open Loop Gain (dB) Figure 18. Low level output voltage vs. temperature, RL = 10 kΩ Figure 17. High level output voltage vs. temperature, RL = 10 kΩ Figure 16. Open loop gain vs. temperature at Vcc = 5 V Figure 15. Open loop gain vs. temperature at Vcc = 3 V

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Electrical characteristics Figure 20. Low level output voltage vs. temperature, RL = 2 kΩ Figure 19. High level output voltage vs. temperature, RL = 2 kΩ Vcc = 5V Figure 23. Output current vs. output voltage at Vcc = 3 V Figure 24. Output current vs. output voltage at Vcc = 5 V 80 Figure 22. Output current vs. output voltage at Vcc = 1.8 V Figure 21. Output current vs. temperature

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Figure 25. Gain and phase vs. frequency at Vcc = 1.8 V Figure 26. Gain and phase vs. frequency at Vcc = 5 V Figure 27. Gain bandwidth product vs. temperature Figure 28. Gain bandwidth product vs. supply voltage

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Electrical characteristics Figure 37. Distortion vs. output voltage at Vcc = 5 V Figure 38. Distortion vs. frequency 1.000

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Package information Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark.

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SO-8 package information Figure 39. SO-8 package mechanical drawing

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Table 8. TSSOP8 package mechanical data

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Figure 41. MiniSO-8 package mechanical drawing Table 9. MiniSO-8 package mechanical data

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Table 10. SO-14 package mechanical data

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Table 11. TSSOP14 package mechanical data

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Table 12. SOT23-5L package mechanical data

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Table 13. Order codes

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Table 14. Document revision history

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Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use...

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