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TC1038CECH Datasheet

  • TC1038CECH

  • Linear Building Block . Single Comparator in SOT Packages

  • 18頁

  • MICROCHIP   MICROCHIP

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TC1037/TC1038/TC1039
Linear Building Block 鈥?Single Comparator in SOT Packages
Features
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Tiny SOT-23A Packages
Optimized for Single Supply Operation
Ultra Low Input Bias Current: Less than 100pA
Low Quiescent Current: 4碌A(chǔ) (TC1037),
Shutdown Mode: 4碌A(chǔ), 0.05碌A(chǔ) (TC1038),
6碌A(chǔ) (TC1039)
Shutdown Mode (TC1038)
2.0% Accurate Independent Voltage Reference
(TC1039)
Rail-to-Rail Inputs and Outputs
Operation Down to V
DD
= 1.8V
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 two 1.5V alkaline cells down to V
DD
= 1.8V. Active
supply current is 4碌A(chǔ) for the TC1037/TC1038 and 6碌A(chǔ)
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碌A(chǔ) (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.
Temperature
Range
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
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.
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Applications
鈥?Power Management Circuits
鈥?Battery Operated Equipment
鈥?Consumer Products
Device Selection Table
Part Number
TC1037CECT
TC1038CECH
TC1039CECH
Package
5-Pin SOT-23A
6-Pin SOT-23A
6-Pin SOT-23A
Functional Block Diagram
OUTPUT
1
2
鈥?/div>
4
IN-
+
3
5
V
DD
Package Types
5-Pin SOT-23A
V
DD
5
IN-
4
6-Pin SOT-23A
V
DD
6
SHDN
5
IN-
4
V
SS
IN+
TC1037
TC1037ECT
1
2
3
IN+
TC1038ECH
1
2
3
IN+
OUTPUT
V
SS
IN+
1
2
鈥?/div>
+
3
6
5
4
V
DD
SHDN
IN-
OUTPUT V
SS
OUTPUT V
SS
6-Pin SOT-23A
V
DD
6
REF
5
IN-
4
TC1038
OUTPUT
V
SS
1
2
鈥?/div>
+
3
Voltage
Reference
6
5
4
TC1039ECH
1
2
3
IN+
V
DD
REF
IN-
OUTPUT V
SS
IN+
NOTE:
5-Pin SOT-23A is equivalent to the EIAJ SC-74A.
6-Pin SOT-23A is equivalent to the EIAJ SC-74.
TC1039
2002 Microchip Technology Inc.
DS21344B-page 1
漏

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