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TC1027 Datasheet, PDF (9/18 Pages) TelCom Semiconductor, Inc – LINEAR BUILDING BLOCK - QUAD LOW POWER COMPARATOR AND VOLTAGE REFERENCE
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TC1027
5.0 TYPICAL CHARACTERISTICS
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
Comparator Propagation Delay
vs. Supply Voltage
7
TA = 25°C
CL = 100pF
6
5
Overdrive = 10mV
4
3
Overdrive = 50mV
2
1.5 2 2.5 3 3.5 4 4.5 5 5.5
SUPPLY VOLTAGE (V)
Comparator Propagation Delay
vs. Supply Voltage
7
TA = 25°C
CL = 100pF
6
Overdrive = 10mV
5
Overdrive = 100mV
4 Overdrive = 50mV
3
2
1.5 2 2.5 3 3.5 4 4.5 5 5.5
SUPPLY VOLTAGE (V)
Comparator Propagation Delay
vs. Temperature
7
Overdrive = 100mV
6
5
VDD = 5V
VDD = 4V
4
VDD = 2V
3
-40°C
VDD = 3V
25°C
TEMPERATURE (°C)
85°C
Comparator Propagation Delay
vs. Temperature
7
Overdrive = 100mV
6
VDD = 5V
5
VDD = 4V
VDD = 3V
VDD = 2V
4
3
-40°C
25°C
TEMPERATURE (°C)
85°C
Comparator Output Swing
vs. Output Source Current
2.5
TA = 25°C
2.0
1.5
VDD = 1.8V
VDD = 3V
1.0
.5
VDD = 5.5V
0
0
1
23 45 6
ISOURCE (mA)
Comparator Output Swing
vs. Output Sink Current
2.5
TA = 25°C
2.0
1.5
VDD = 3V
1.0
VDD = 1.8V
.5
VDD = 5.5V
0
0
1
2 3 4 56
ISINK (mA)
Comparator Output Short-Circuit
Current vs. Supply Voltage
60
TA = -40°C
50
TA = 25°C
40
TA = 85°C
30
= -40°C
20
TA
Sinking
10
TA = 25°C
Sourcing
0
TA = 85°C
0
1
23 45 6
SUPPLY VOLTAGE (V)
1.240
Reference Voltage vs.
Load Current
VDD = 1.8V
1.220
1.200
VDD = 3V
VDD = 5.5V
Sinking
1.180
Sourcing
1.160
VDD = 1.8V
1.140
0
2
4
VDD = 5.5V
VDD = 3V
6
8
10
LOAD CURRENT (mA)
Line Transient
Response of VREF
4
VDD
3
2
VREF
1
0
0
100
200 300 400
TIME (µsec)
© 2002 Microchip Technology Inc.
DS21284B-page 9
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