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MCP6544-I/ST Datasheet(PDF) 2 Page - Microchip Technology

Part # MCP6544-I/ST
Description  Push-Pull Output Sub-Microamp Comparators
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP6544-I/ST Datasheet(HTML) 2 Page - Microchip Technology

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MCP6541/1R/1U/2/3/4
DS21696E-page 2
© 2006 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings †
VDD - VSS .........................................................................7.0V
Current at Analog Input Pin (VIN+, VIN-.........................±2 mA
Analog Input (VIN) †† ...................... VSS - 1.0V to VDD + 1.0V
All other Inputs and Outputs........... VSS - 0.3V to VDD + 0.3V
Difference Input voltage ....................................... |VDD - VSS|
Output Short-Circuit Current .................................continuous
Current at Input Pins ....................................................±2 mA
Current at Output and Supply Pins ............................±30 mA
Storage temperature .....................................-65°C to +150°C
Maximum Junction Temperature (TJ)..........................+150°C
ESD protection on all pins (HBM;MM) ...................4 kV; 400V
† Notice: Stresses above those listed under “Absolute Maxi-
mum Ratings” may cause permanent damage to the device.
This is a stress rating only and functional operation of the
device at those or any other conditions above those indicated
in the operational listings of this specification is not implied.
Exposure to maximum rating conditions for extended periods
may affect device reliability.
†† See Section 4.1.2 “Input Voltage and Current
Limits”
DC CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, VDD = +1.6V to +5.5V, VSS = GND, TA = +25°C,VIN+ = VDD/2,
VIN– = VSS, and RL =100 kΩ to VDD/2 (Refer to Figure 1-3).
Parameters
Sym
Min
Typ
Max
Units
Conditions
Power Supply
Supply Voltage
VDD
1.6
5.5
V
Quiescent Current per comparator
IQ
0.3
0.6
1.0
µA
IOUT = 0
Input
Input Voltage Range
VCMR
VSS−0.3
VDD+0.3
V
Common Mode Rejection Ratio
CMRR
55
70
dB
VDD = 5V, VCM = -0.3V to 5.3V
Common Mode Rejection Ratio
CMRR
50
65
dB
VDD = 5V, VCM = 2.5V to 5.3V
Common Mode Rejection Ratio
CMRR
55
70
dB
VDD = 5V, VCM = -0.3V to 2.5V
Power Supply Rejection Ratio
PSRR
63
80
dB
VCM = VSS
Input Offset Voltage
VOS
-7.0
±1.5
+7.0
mV
VCM = VSS (Note 1)
Drift with Temperature
ΔVOS/ΔTA
±3
µV/°C TA = -40°C to +125°C, VCM = VSS
Input Hysteresis Voltage
VHYST
1.5
3.3
6.5
mV
VCM = VSS (Note 1)
Linear Temp. Co. (Note 2)
TC1
6.7
µV/°C TA = -40°C to +125°C, VCM = VSS
Quadratic Temp. Co. (Note 2)
TC2
-0.035
µV/°C2 TA = -40°C to +125°C, VCM = VSS
Input Bias Current
IB
—1
pA
VCM = VSS
At Temperature (I-Temp parts)
IB
—25
100
pA
TA = +85°C, VCM = VSS (Note 3)
At Temperature (E-Temp parts)
IB
1200
5000
pA
TA = +125°C, VCM = VSS (Note 3)
Input Offset Current
IOS
±1
pA
VCM = VSS
Common Mode Input Impedance
ZCM
—1013||4
Ω||pF
Differential Input Impedance
ZDIFF
—1013||2
Ω||pF
Note 1:
The input offset voltage is the center (average) of the input-referred trip points. The input hysteresis is the difference
between the input-referred trip points.
2:
VHYST at different temperatures is estimated using VHYST (TA) = VHYST + (TA - 25°C) TC1 + (TA - 25°C)2 TC2.
3:
Input bias current at temperature is not tested for SC-70-5 package.
4:
Limit the output current to Absolute Maximum Rating of 30 mA.


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