C8051F045 查看數據表（PDF） - Silicon Laboratories

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C8051F045

Mixed Signal ISP Flash MCU Family

Silicon Laboratories 

C8051F040/1/2/3/4/5/6/7

Table 11.1. Comparator Electrical Characteristics

VDD = 3.0 V, –40 to +85 °C unless otherwise specified.

Parameter

Conditions

Min Typ

Max

Response Time,

Mode 0

CPn+ – CPn– = 100 mV

CPn+ – CPn– = 10 mV

—

100

—

—

250

—

Response Time,

Mode 1

CPn+ – CPn– = 100 mV

CPn+ – CPn– = 10 mV

—

175

—

—

500

—

Response Time,

Mode 2

CPn+ – CPn– = 100 mV

CPn+ – CPn– = 10 mV

—

320

—

—

1100

—

Response Time,

Mode 3

CPn+ – CPn– = 100 mV

CPn+ – CPn– = 10 mV

—

1050

—

—

5200

—

Common-Mode Rejection

Ratio

—

1.5

4

Positive Hysteresis 1

CPnHYP1-0 = 00

—

0

1

Positive Hysteresis 2

CPnHYP1-0 = 01

2

4.5

7

Positive Hysteresis 3

CPnHYP1-0 = 10

4

9

13

Positive Hysteresis 4

CPnHYP1-0 = 11

10

17

25

Negative Hysteresis 1

CPnHYN1-0 = 00

0

1

Negative Hysteresis 2

CPnHYN1-0 = 01

2

4.5

7

Negative Hysteresis 3

CPnHYN1-0 = 10

4

9

13

Negative Hysteresis 4

CPnHYN1-0 = 11

10

17

25

Inverting or Non-Inverting

Input Voltage Range

–0.25

VDD + 0.25

Input Capacitance

—

7

—

Input Bias Current

–5 0.001

+5

Input Offset Voltage

–5

+5

Power Supply

Power Supply Rejection

—

0.1

1

Power-up Time

—

10

—

Mode 0

—

7.6

—

Supply Current at DC

Mode 1

Mode 2

—

3.2

—

—

1.3

—

Mode 3

—

0.4

—

Units

ns

ns

ns

ns

ns

ns

ns

ns

mV/V

mV

mV

mV

mV

mV

mV

mV

mV

V

pF

nA

mV

mV/V

µs

µA

µA

µA

µA

126

Rev. 1.5

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