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TC1040CEUA Datasheet

  • TC1040CEUA

  • Linear Building Block . Dual Low Power Comparator and Voltag...

  • 14頁

  • MICROCHIP   MICROCHIP

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TC1040
Linear Building Block 鈥?Dual Low Power Comparator and
Voltage Reference with Shutdown
Features
鈥?Combines Two Comparators and a Voltage
Reference in a Single Package
鈥?Optimized for Single Supply Operation
鈥?Small Package: 8-Pin MSOP
鈥?Ultra Low Input Bias Current: Less than 100pA
鈥?Low Quiescent Current, Operating: 10碌A(chǔ) (Typ.)
Shutdown Mode: 6碌A(chǔ) (Typ.)
鈥?Rail-to-Rail Inputs and Outputs
鈥?Operates Down to V
DD
= 1.8V
鈥?Reference and One Comparator Remain Active in
Shutdown to Provide Supervisory Functions
General Description
The TC1040 is a mixed-function device combining two
comparators and a voltage reference in a single 8-pin
package. The inverting input of Comparator A and the
non-inverting input of Comparator B are internally
connected to the reference.
This increased integration allows the user to replace
two packages, which saves space, lowers supply
current and increases system performance. The
TC1040 operates from two 1.5V alkaline cells down to
V
DD
= 1.8V. It requires only 10碌A(chǔ) typical of supply
current, which significantly extends battery life. A low
power shutdown input (SHDN) disables one of the
comparators, placing its outputs in a high-impedance
state. This mode saves battery power and allows
comparator outputs to share common analog lines
(multiplexing). Shutdown current is 6碌A(chǔ) (typical).
Rail-to-rail inputs and outputs allow operation from low
supply voltages with large input and output signal
swings.
Packaged in an 8-Pin MSOP, the TC1040 is ideal for
applications requiring low power level detection.
Temperature
Range
-40擄C to +85擄C
OUTA
1
Applications
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Power Supply Circuits
Battery Operated Equipment
Consumer Products
Replacements for Discrete Components
Device Selection Table
Part Number
TC1040CEUA
Package
8-Pin MSOP
Functional Block Diagram
TC1040
8
OUTB
Package Type
8-Pin MSOP
OUTA
V
SS
INA+
INB-
1
2
3
4
8
7
OUTB
V
DD
REF
INB-
4
V
SS
INA+
3
Voltage
Reference
5
SHDN
V
SS
2
A
鈥?/div>
鈥?/div>
+
B
+
6
REF
7
V
DD
TC1040CEUA
6
5
SHDN
2002 Microchip Technology Inc.
DS21345B-page 1
漏

TC1040CEUA 產(chǎn)品屬性

  • Microchip

  • 2 Channels

  • Analog Comparators

  • Push-Pull

  • 6 us

  • 5 mV

  • 0.01 mA

  • + 85 C

  • SMD/SMT

  • MSOP

  • - 40 C

  • 5.5 V

  • 1.8 V

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