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TC1031 Datasheet(PDF) 1 Page - Microchip Technology

Part No. TC1031
Description  Linear Building Block - Low Power Voltage Reference with Programmable Hysteresis Comparator and Shutdown
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Maker  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
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TC1031 Datasheet(HTML) 1 Page - Microchip Technology

 
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© 2005 Microchip Technology Inc.
DS21342C-page 1
Features
• Combines Comparator and Voltage Reference in
a Single Package
• Optimized for Single Supply Operation
• Small Package: 8-Pin MSOP
• Ultra Low Input Bias Current: Less than 100pA
• Low Quiescent Current, Active: 6
μA (Typ.),
Shutdown Mode: 0.1
μA (Typ.)
• Rail-to-Rail Inputs and Outputs
• Operates Down to VDD = 1.8V
• Programmable Hysteresis
Applications
• Power Management Circuits
• Battery Operated Equipment
• Consumer Products
Device Selection Table
Package Type
General Description
The TC1031 is a low-power comparator and voltage
reference designed specifically for low-power applica-
tions. The TC1031 is designed for operation from a
single supply, however operation from dual supplies is
also possible. The power supply current drain is
independent of the magnitude of the power supply
voltage. The TC1031 can operate from two 1.5V
alkaline cells, and operation is ensured to VDD = 1.8V.
Typical active supply current is 6
μA. Rail-to-rail inputs
and outputs allow operation from low supply voltages
with large input and output signal swings.
The TC1031 provides a simple method for adding user-
adjustable hysteresis without feedback or complex
external circuitry. Hysteresis is adjusted with a simple
resistor divider on the HYST input. A shutdown input,
SHDN, disables the comparator and voltage reference
and reduces supply current to less than 0.1
μA
(maximum) when taken low.
The TC1031 is packaged in a space-saving 8-Pin
MSOP, making it ideal for applications requiring high
integration, small size and low power.
Functional Block Diagram
Part Number
Package
Temperature
Range
TC1031CEUA
8-Pin MSOP
-40°C to +85°C
VREF
HYST
1
2
3
4
8
7
6
5
TC1031CEUA
VDD
INA+
INA
-
OUT
8-Pin MSOP
SHDN
VSS
VSS
SHDN
IN+
VDD
VREF
IN-
HYST
OUT
Voltage
Reference
1
2
3
45
6
7
8
TC1031
TC1031
Linear Building Block – Low Power Voltage Reference with
Programmable Hysteresis Comparator and Shutdown
Obsolete Device


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