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XTR101BG Datasheet(PDF) 7 Page - Burr-Brown (TI) |
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XTR101BG Datasheet(HTML) 7 Page - Burr-Brown (TI) |
7 / 15 page ® XTR101 7 1mA 10 7 1mA 11 Q EXT 23.6V, 377mW 12 B 210 Ω 52.6 Ω 1.5mA Quiescent 18mA 20mA R L 250 Ω Short Circuit Worst Case V PS 40V 20mA 4mA 16mA 750 Ω 12V, 200mW Q INT 18mW +V CC 8 I OUT NOTES: (1) An external transistor is used in the maufacturing test circuit for testing electrical specifications. (2) This resistor is required for the 2N2222 with V PS > 24V to limit power dissipation. 3.47V, 60mW XTR101 3.5mA 0.95V, 17mW E (2) 2N2222 (1) 2mA 9 0.5mA Type 2N4922 TIP29B TIP31B Package TO-225 TO-220 TO-220 Other Suitable Types FIGURE 2. Power Calculation of XTR101 with External Transistor. FIGURE 3. Thermal Feedback Due to Change in Output Current. FIGURE 4. Power Supply Operating Range. 4. The maximum input signal level (e INFS) is 1V with RS = ∞ and proportionally less as RS decreases. 5. Always return the current references (pins 10 and 11) to the output (pin 7) through an appropriate resistor. If the references are not used for biasing or excitation, connect them together to pin 7. Each reference must have between 0V and +(VCC – 4V) with respect to pin 7. 6. Always choose R L (including line resistance) so that the voltage between pins 7 and 8 (+VCC) remains within the 11.6V to 40V range as the output changes between the 4-20mA range (see Figure 4). 7. It is recommended that a reverse polarity protection diode (D1 in Figure 1) be used. This will prevent damage to the XTR101 caused by a momentary (e.g., transient) or long term application of the wrong polarity of voltage between pins 7 and 8. V CC (V) 30 25 20 15 10 5 0 10 20 30 40 60 50 40 30 20 10 0 With external transistor R L = 100Ω R L = 600Ω R L = 1kΩ R L = 100 Ω R L = 600 Ω R L = 1k Ω Without external transistor Span = ∆I O = 16mA 1500 1250 1000 750 500 250 0 1020 3040 50 60 0 Power Supply Voltage, V PS (V) R L max = V PS – 11.6V 20mA Operating Region |
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Similar Description - XTR101BG |
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