Silicon Laboratories Power Supply

C8051F340/1/2/3/4/5/6/7
68 Rev. 0.5
Tabl e 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, Vcm* = 1.5 V
CP0+ – CP0– = 100 mV 100 ns
CP0+ – CP0– = –100 mV 250 ns
Response Time:
Mode 1, Vcm* = 1.5 V
CP0+ – CP0– = 100 mV 175 ns
CP0+ – CP0– = –100 mV 500 ns
Response Time:
Mode 2, Vcm* = 1.5 V
CP0+ – CP0– = 100 mV 320 ns
CP0+ – CP0– = –100 mV 1100 ns
Response Time:
Mode 3, Vcm* = 1.5 V
CP0+ – CP0– = 100 mV 1050 ns
CP0+ – CP0– = –100 mV 5200 ns
Common-Mode Rejection
Ratio 1.5 4mV/V
Positive Hysteresis 1 CP0HYP1–0 = 00 0 1 mV
Positive Hysteresis 2 CP0HYP1–0 = 01 2 5 10 mV
Positive Hysteresis 3 CP0HYP1–0 = 10 710 20 mV
Positive Hysteresis 4 CP0HYP1–0 = 11 15 20 30 mV
Negative Hysteresis 1 CP0HYN1–0 = 00 0 1 mV
Negative Hysteresis 2 CP0HYN1–0 = 01 2 5 10 mV
Negative Hysteresis 3 CP0HYN1–0 = 10 710 20 mV
Negative Hysteresis 4 CP0HYN1–0 = 11 15 20 30 mV
Inverting or Non-Inverting
Input Voltage Range –0.25 VDD + 0.25 V
Input Capacitance 3pF
Input Bias Current 0.001 nA
Input Offset Voltage –5 +5 mV
Power Supply
Power Supply Rejection 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 µA
*Note: Vcm is th e common-mode voltage on CP0+ and CP0–.