ADCMP341(Rev0) 查看數據表（PDF） - Analog Devices

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ADCMP341
(Rev.:Rev0)

Dual 0.275% Comparators and Reference with Programmable Hysteresis

Analog Devices 

60

TA = 25°C

50

40

LH NON INV

LH INV

HL NON INV

HL INV

30

20

10

0

0

20

40

60

80

100

INPUT OVERDRIVE (mV)

Figure 24. Propagation Delay vs. Input Overdrive

NON INV (OUTA)

2

INV (OUTB)

3

VIN (+INA, –INB)

1

CH1 50.0mV

CH3 5.00V

CH2 5.00V M20.0µs

CH1 7mV

Figure 25. Noninverting and Inverting Comparators Propagation Delay

100

VDD = 5V

CL = 20pF

TA = 25°C

10

1

ADCMP341/ADCMP343

RISE

0.1

FALL

0.01

0.1

1

10

100

OUTPUT PULL-UP RESISTOR (kΩ)

1000

Figure 26. Rise and Fall Times vs. Output Pull-Up Resistor

OUTA

1

R1 = 22kΩ

R2 = 2.2kΩ

R3 = 6.2kΩ

VIN

2

CH1 2.00V CH2 500mV M100ms

Figure 27. Hysteresis Programmed to ~513 mV at Top of Input String

(Hysteresis at ADCMP341 Pins ≈ 104 mV)

Rev. 0 | Page 9 of 12

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