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| 型號： | V62/07602-05XE |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.048 V, PDSO6 |
| 封裝： | GREEN, PLASTIC, SOT-23, 6 PIN |
| 文件頁數(shù)： | 19/19頁 |
| 文件大?。?/td> | 510K |
| 代理商： | V62/07602-05XE |
www.ti.com
THEORY OF OPERATION
V
BANDGAP
Vbe
1
-
+
Vbe
2
-
+
R1
Q
2
N
Q
1 I
4 ppm/
°C, 100 A SOT23-6 SERIES VOLTAGE REFERENCES
SBVS078A – OCTOBER 2006 – REVISED APRIL 2007
The REF32xx is a family of CMOS, precision bandgap voltage references. Figure 1 shows the basic bandgap
topology. Transistors Q1 and Q2 are biased so that the current density of Q1 is greater than that of Q2. The
difference of the two base-emitter voltages (Vbe1 – Vbe2) has a positive temperature coefficient and is forced
across resistor R1. This voltage is amplified and added to the base-emitter voltage of Q2, which has a negative
temperature coefficient. The resulting output voltage is virtually independent of temperature.
Figure 1. Simplified Schematic of Bandgap Reference
Copyright 2006–2007, Texas Instruments Incorporated
9
Product Folder Link(s): REF3212-EP, REF3220-EP, REF3225-EP REF3230-EP, REF3233-EP, REF3240-EP
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| V6207602-05XE | 制造商:TI 制造商全稱:Texas Instruments 功能描述:4 ppm100 A SOT23-6 SERIES VOLTAGE REFERENCES |
| V6207602-06XE | 制造商:TI 制造商全稱:Texas Instruments 功能描述:4 ppm100 A SOT23-6 SERIES VOLTAGE REFERENCES |
| V62-08631-01XE | 制造商:TI 制造商全稱:Texas Instruments 功能描述:MIXED SIGNAL MICROCONTROLLER |
| V62-09601-01XE | 制造商:TI 制造商全稱:Texas Instruments 功能描述:MIXED SIGNAL MICROCONTROLLER |
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