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TC1037CECT Datasheet(PDF) 1 Page - Microchip Technology

No. de pieza TC1037CECT
Descripción Electrónicos  Linear Building Block . Single Comparator in SOT Packages
Download  18 Pages
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Fabricante Electrónico  MICROCHIP [Microchip Technology]
Página de inicio  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

TC1037CECT Datasheet(HTML) 1 Page - Microchip Technology

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© 2002 Microchip Technology Inc.
DS21344B-page 1
Features
• Tiny SOT-23A Packages
• Optimized for Single Supply Operation
• Ultra Low Input Bias Current: Less than 100pA
• Low Quiescent Current: 4
µA (TC1037),
Shutdown Mode: 4
µA, 0.05µA (TC1038),
6
µA (TC1039)
• Shutdown Mode (TC1038)
• 2.0% Accurate Independent Voltage Reference
(TC1039)
• Rail-to-Rail Inputs and Outputs
• Operation Down to VDD =1.8V
Applications
• Power Management Circuits
• Battery Operated Equipment
• Consumer Products
Device Selection Table
Package Types
General Description
The TC1037/TC1038/TC1039 are single, low-power
comparators designed for low-power applications.
These comparators are specifically designed for
operation from a single supply. However, operation
from dual supplies also is possible, and power supply
current is independent of the magnitude of the power
supply voltage. The TC1037/TC1038/TC1039 operate
from two1.5Valkalinecells downtoVDD = 1.8V. Active
supply current is 4
µA for the TC1037/TC1038 and 6µA
for the TC1039. Input and output swing of these
devices is rail-to-rail.
An active low shutdown input, SHDN, is available on
the TC1038 and disables the comparator, placing its
output in a high-impedance state. The TC1038 draws
only 0.05
µA (typical) when the shutdown mode is
active.
An internally biased 1.20V bandgap reference is
included in the TC1039. The reference is accurate to
2.0 percent tolerance. This reference is independent of
the comparator in the TC1039.
Packaged in a 5-Pin SOT-23A (TC1037) or 6-Pin
SOT-23A (TC1038/TC1039), these single comparators
are ideal for applications requiring high integration,
small size and low power.
Functional Block Diagram
Part Number
Package
Temperature
Range
TC1037CECT
5-Pin SOT-23A
-40°C to +85°C
TC1038CECH
6-Pin SOT-23A
-40°C to +85°C
TC1039CECH
6-Pin SOT-23A
-40°C to +85°C
OUTPUT
VSS
IN+
VDD
IN-
5-Pin SOT-23A
TC1037ECT
1
3
5
4
2
OUTPUT
VSS
IN+
VDD
IN-
SHDN
6-Pin SOT-23A
TC1038ECH
1
3
6
4
5
2
OUTPUT
VSS
IN+
VDD
IN-
REF
6-Pin SOT-23A
TC1039ECH
1
3
6
4
5
2
NOTE: 5-Pin SOT-23A is equivalent to the EIAJ SC-74A.
6-Pin SOT-23A is equivalent to the EIAJ SC-74.
OUTPUT
IN+
TC1037
OUTPUT
IN+
TC1038
1
2
3
5
4
6
5
4
1
2
3
6
5
4
2
3
VSS
VDD
IN-
VDD
SHDN
IN-
VSS
1
OUTPUT
IN+
TC1039
VSS
Voltage
Reference
VDD
IN-
REF
TC1037/TC1038/TC1039
Linear Building Block – Single Comparator in SOT Packages


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