TC1041
Linear Building Block 鈥?Dual Low Power Comparator and
Voltage Reference with Programmable Hysteresis
Features
鈥?Combines Two Comparators and a Voltage
Reference in a Single Package
鈥?Optimized for Single Supply Operation
鈥?Available in Two Small Packages: 8-Pin SOIC or
8-Pin MSOP
鈥?Ultra Low Input Bias Current: Less than 100pA
鈥?Low Quiescent Current, Operating: 10碌A(chǔ) (Typ.)
鈥?Rail-to-Rail Inputs and Outputs
鈥?Operates Down to V
DD
= 1.8V
鈥?Programmable Hysteresis
General Description
The TC1041 is a mixed-function device combining two
comparators and a voltage reference in a single 8-pin
package. The inverting inputs of both comparators 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
TC1041 operates from two 1.5V alkaline cells down to
V
DD
= 1.8V. It requires only 10碌A(chǔ) typical supply current
which significantly extends battery life. The TC1041
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 pin.
Rail-to-rail inputs and outputs allow operation from low
supply voltages with large input and output signal
swings.
Packaged in an 8-Pin SOIC or 8-Pin MSOP, the
TC1041 is ideal for applications requiring low power
and small packages.
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
TC1041CEOA
TC1041CEUA
Package
8-Pin SOIC
8-Pin MSOP
Temperature
Range
-40擄C to +85擄C
-40擄C to +85擄C
Functional Block Diagram
OUTA
1
TC1041
8
OUTB
Package Types
8-Pin SOIC
8-Pin MSOP
OUTA
V
SS
INA+
INB-
1
2
3
4
8
7
OUTB
V
DD
REF
HYST
V
SS
2
+
A
鈥?/div>
+
B
鈥?/div>
6
Voltage
Reference
INB+
4
V
SS
5
HYST
REF
7
V
DD
INA+
3
TC1041CEOA
TC1041CEUA
6
5
2002 Microchip Technology Inc.
DS21346B-page 1
漏
next
TC1041CEOA 產(chǎn)品屬性
Microchip
校驗(yàn)器 IC
2 Channels
Analog Comparators
Push-Pull
4 us
5 mV
15 uA
+ 85 C
SMD/SMT
SOIC-8
- 40 C
100
5.5 V
1.8 V
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