COMP01B Comparator

 

Key Features

  • Low Offset Voltage
  • Supply Voltage 4.5-5.5 V
  • Low Power Consumption
  • Area 0.022mm²
  • Size x=94µm y=243µm
  • Power-Down-Mode Ivdd < 1nA

Symbol

Description

The COMP01B cell is a static comparator without hysteresis. The comparator has a PMOS input stage.
The comparator has a power-down mode to permit very low standby currents. This mode is controlled by the complementary signals "pd" and "xpd".

Pin List

Pin Description Capacitance
inn inverting input 1.0pF
inp noninverting input 1.0pF
xpd power down not 0.05pF
pd power down 0.05pF
out analogue output x
vdda positive analogue power supply x
vssa negative analogue power supply x

 

Electrical Parameters

Parameter Symbol Min Typ Max Unit
Power Supply Range Vdd 4.5
5.0
5.5
V
Temperature Range Temp -50
25
125
deg
AC Parameters
Open Loop Gain A0 125
136
144
dB
Common Mode Rejection Ratio CMRR 120
125
129
dB
Power Supply Rejection Ratio Vdd PSRRvdd 96
103
108
dB
Power Supply Rejection Ratio Vss PSRRvss 95
103
108
dB
DC Parameters
Input Offset Voltage Vos -10

10
mV
Power Supply Current Idd 0.01
0.024
0.07
mA
Power Consumption PVdd 0.05
0.12
0.39
mW
Output Source Current Isource 1.3
2
3.9
mA
Output Sink Current Isink 1.1
1.8
3.1
mA
Common Mode Input Range-low CMIR-L x
x
x
V
Common Mode Input Range-high CMIR-H x
x
x
V
Output Range-low Vout-L 0.01
0.01
0.01
V
Output Range-high Vout-H 4.49
4.99
5.49
V
Transient Parameters
Response Time * tdrise 160
480
1400
ns
Response Time ** tfall 150
480
1330
ns
Startup Time (overdrive = 10 mV) tstart 0.1
0.3
0.63
µs
Noise Parameters
Equivalent Input Noise @10Hz en 0.19
0.25
0.33
µV/Root Hz
Equivalent Input Noise @100KHz en 16
29
54
nV/Root Hz

* step = +100mV, overdrive = +10mV
** step = -100mV, overdrive = -10mV
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