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TLV9032DDFR.A 数据表(PDF) 26 Page - Texas Instruments

部件名 TLV9032DDFR.A
功能描述  TLV902x and TLV903x Precision Comparator Family
PDF  85 Pages
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制造商  TI2 [Texas Instruments]
网页  https://www.ti.com
标志 TI2 - Texas Instruments

TLV9032DDFR.A 数据表(HTML) 26 Page - Texas Instruments

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R1
R2
VA1
R3
VO High
+VCC
R2
VA2
R3
VO Low
+VCC
R1
Figure 7-4. Inverting Configuration Resistor Equivalent Networks
When VIN is less than VA, the output voltage is high (for simplicity, assume VO switches as high as VCC). The
three network resistors can be represented as R1 || R3 in series with R2, as shown in Figure 7-4.
Equation 1 below defines the high-to-low trip voltage (VA1).
VA1=VCC× R2
R1∥R3 +R2
(1)
When VIN is greater than VA, the output voltage is low. In this case, the three network resistors can be presented
as R2 || R3 in series with R1, as shown in Equation 2.
Use Equation 2 to define the low to high trip voltage (VA2).
VA2=VCC× R2∥R3
R1+ R2∥R3
(2)
Equation 3 defines the total hysteresis provided by the network.
ΔVA=VA1−VA2
(3)
7.1.2.2 Non-Inverting Comparator With Hysteresis
A noninverting comparator with hysteresis requires a two-resistor network and a voltage reference (VREF) at the
inverting input, as shown in Figure 7-5,
VREF 2.5 V
R2
1 0Ÿ
+
±
R1
330 NŸ
VO
VA
5 V
0 V
VIN2
VIN1
VO
1.675 V
3.325 V
VIN
VIN
Figure 7-5. TLV903x in a Non-Inverting Configuration With Hysteresis
The equivalent resistor networks when the output is high and low are shown in Figure 7-6.
R1
VA = VREF
VO High
+VCC
R2
R2
VA = VREF
VO Low
+VIN1
R1
VIN2
Figure 7-6. Non-Inverting Configuration Resistor Networks
TLV9020, TLV9021, TLV9022, TLV9024, TLV9030, TLV9031, TLV9032, TLV9034
SNOSDA3H – JUNE 2020 – REVISED NOVEMBER 2025
www.ti.com
26
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Copyright © 2025 Texas Instruments Incorporated
Product Folder Links: TLV9020 TLV9021 TLV9022 TLV9024 TLV9030 TLV9031 TLV9032 TLV9034



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