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Precision Micropower Bandgap Shunt Reference
CORPORATION
CLM4040
FEATURES DESCRIPTION The CLM4040 is a two terminal precision voltage reference with thermal stability guaranteed over temperature, a typical dynamic impedance of 0.25 and very sharp turn-on characteristics. The device has a fixed output of 2.5V for input currents between 60A to 20mA and is an excellent choice for battery operated applications. Available in three tolerances, 0.5%, 1.0% and 2.0% and in three package outlines, SOT-23, SO-8 and TO-92. ORDERING INFORMATION Part CLM4040CS CLM4040DS CLM4040ES CLM4040CY CLM4040DY CLM4040EY CLM4040CN CLM4040DN CLM4040EN SYMBOL DIAGRAM AND PIN CONFIGURATIONS
CATHODE
SO-8 LEAD NC NC NC 1 8 CATHODE
* * * * * * * *
Trimmed Bandgap Design . . . . . . . . . . . . . . . . . . . . 0.2% Wide Operating Current Range . . . . . . . . 60A to 20mA Low Dynamic Impedance . . . . . . . . . . . . . . . . . . . . 0.25 Available in SOT-23, TO-92 and SO-8
APLICATIONS Cellular Phunes Portable Computers Instrumentation Automotive
Package SOT-23 SOT-23 SOT-23 SO-8 SO-8 SO-8 TO-92 TO-92 TO-92
Tolerance 0.5% 1.0% 2.0% 0.5% 1.0% 2.0% 0.5% 1.0% 2.0%
Temp. Range -40oC to +85oC -40oC to +85oC -40oC to +85oC -40oC to +85oC -40oC to +85oC -40oC to +85oC -40oC to +85oC -40oC to +85oC -40oC to +85oC
2
3 4 TOP VIEW
7 NC
6 NC 5 NC
1T-13
ANODE
1T-15
ANODE
TO-92
SOT-23-3 LEAD
CATHODE NC
ANODE
3
ANODE
2 1
CATHODE
NC
1T-14
TOP VIEW
IT-12
TOP VIEW
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025
CLM4040
CORPORATION
ABSOLUTE MAXIMUM RATINGS
SYMBOL Reverse Current TA TJ TSTG TLEAD ESD Operating Temperature Range Operating Junction Temperature Range Storage Temperature Range Lead Temperature (Soldering) 10 Seconds ESD Rating PARAMETER MAXIMUM 20 -40 to +85 -40 to +150 -65 to +150 260 2 kV
o
UNITS mA
C
BLOCK DIAGRAM
CATHODE
+ -
VREF
ANODE
1T-16
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025
CLM4040
CORPORATION
ELECTRICAL CHARACTERISTICS TA = 25oC unless otherwise specified
CLM4040C (0.5%) SYMBOL PARAMETER MIN 2.488 VZ IZ(MIN) VZ T Reverse Breakdown Voltage 2.471 Minimum Breakdown Current Reverse Breakdoen Voltage Temperature Coefficient 2.500 60 2.529 80 100 0.8 VZ TZ Ratio of Change in VZ to Change in IZ 1.0 6.0 8.0 ZR eN Reverse Dynamic Impedance Wideband Noise (RMS) Long Term Stability of Reverse Breakdown Voltage 0.25 20 0.9 0.25 35 2.451 2.500 2.549 60 80 150 1.0 1.2 8.0 10.0 1.1 A mV ImA IZ 12mA A ppm/oC IZ = 10mA IZ = 1mA IZ = 100A IZ(MIN) IZ 1mA TA = -40 to +85 oC TA = 25oC TA = -40 to +85 oC TA = 25oC TA = -40 to +85 oC TYP 2.500 MAX 2.512 MIN TYP MAX V IZ = 100A TA = 25oC TA = -40 to +85 oC 2.475 2.500 2.525 CLM4040D (1.0%) UNITS CONDITIONS
IZ = 1mA, f = 120Hz, IAC = 0.1 IZ IZ = 100A 10Hz f 10kHz VZ t = 1000 Hours T = 25oC 0.1oC IZ = 100A
VZ
120
120
ppm
ELECTRICAL CHARACTERISTICS TA = 25oC unless otherwise specified
CLM4040E (2.0%) SYMBOL PARAMETER MIN 2.450 VZ IZ(MIN) VZ T Reverse Breakdown Voltage 2.426 Minimum Breakdown Current Reverse Breakdoen Voltage Temperature Coefficient 2.500 60 2.500 80 150 1.0 VZ TZ Ratio of Change in VZ to Change in IZ 1.2 6.0 10.0 ZR eN Reverse Dynamic Impedance Wideband Noise (RMS) Long Term Stability of Reverse Breakdown Voltage 0.25 20 1.1 A mV ImA I Z 12mA A ppm/ oC IZ = 10mA IZ = 1mA IZ = 100A IZ(MIN) IZ 1mA TA = -40 to +85 oC TA = 25oC TA = -40 to +85 oC TA = 25oC TA = -40 to +85 oC TYP 2.500 MAX 2.500 V IZ = 100A TA = 25oC TA = -40 to +85 oC UNITS CONDITIONS
IZ = 1mA, f = 120Hz, IAC = 0.1 IZ IZ = 100A 10Hz f 10kHz VZ t = 1000 Hours T = 25oC 0.1 oC IZ = 100A
VZ
120
ppm
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025

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