C8051F310 datasheet(78/228 Pages) SILABS

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C8051F310/1/2/3/4/5/6/7

Rev. 1.7

Table 7.1. Comparator Electrical Characteristics

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

All specifications apply to both Comparator0 and Comparator1 unless otherwise noted.

Parameter

Conditions

Min

Typ

Max

Units

Response Time:

Mode 0, Vcm1 = 1.5 V

CP0+ – CP0– = 100 mV

—

100

—

CP0+ – CP0– = –100 mV

—

250

—

Response Time:

Mode 1, Vcm1 = 1.5 V

CP0+ – CP0– = 100 mV

—

175

—

CP0+ – CP0– = –100 mV

—

500

—

Response Time:

Mode 2, Vcm1 = 1.5 V

CP0+ – CP0– = 100 mV

—

320

—

CP0+ – CP0– = –100 mV

—

1100

—

Response Time:

Mode 3, Vcm1 = 1.5 V

CP0+ – CP0– = 100 mV

—

1050

—

CP0+ – CP0– = –100 mV

—

5200

—

Common-Mode Rejection Ratio

—1.5

mV/V

Positive Hysteresis 1

CP0HYP1-0 = 00

—

Positive Hysteresis 2

CP0HYP1-0 = 01

Positive Hysteresis 3

CP0HYP1-0 = 10

Positive Hysteresis 4

CP0HYP1-0 = 11

Negative Hysteresis 1

CP0HYN1-0 = 00

Negative Hysteresis 2

CP0HYN1-0 = 01

Negative Hysteresis 3

CP0HYN1-0 = 10

Negative Hysteresis 4

CP0HYN1-0 = 11

Inverting or Non-Inverting Input

Voltage Range

–0.25

—

VDD +

0.25

Input Capacitance

—7

—

Input Bias Current

—1

—

Input Offset Voltage

–5

—

Power Supply

Power Supply Rejection2

—0.1

mV/V

Power-up Time

—10

—

µs

Supply Current at DC

Mode 0

—

7.6

µA

Mode 1

—

3.2

µA

Mode 2

—

1.3

µA

Mode 3

—

0.4

2.5

µA

Notes:

Vcm is the common-mode voltage on CP0+ and CP0–.

Guaranteed by design and/or characterization.

C8051F310 Datasheet(PDF) 78 Page - Silicon Laboratories

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