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LM4040CIX3-4.1 Datasheet

  • LM4040CIX3-4.1

  • Analog IC

  • 572.44KB

  • 13頁(yè)

  • ETC

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19-1787; Rev 0; 8/00
Improved Precision Micropower Shunt Voltage
Reference with Multiple Reverse Breakdown Voltages
General Description
The LM4040 is a precision two-terminal shunt mode,
bandgap voltage reference available in fixed reverse
breakdown voltages of 2.048V, 2.500V, 3.000V, 4.096V,
and 5.000V. Ideal for space-critical applications, the
LM4040 is offered in the subminiature 3-pin SC70 sur-
face-mount package (1.8mm
鉁?/div>
1.8mm), 50% smaller
than comparable devices in SOT23 surface-mount
packages (SOT23 versions are also available).
Laser-trimmed resistors ensure precise initial accuracy.
With a 100ppm/擄C temperature coefficient, the device
is offered in four grades of initial accuracy ranging from
0.1% to 1%. The LM4040 has a 60碌A(chǔ) to 15mA shunt
current capability with low dynamic impedance, ensur-
ing stable reverse breakdown voltage accuracy over a
wide range of operating temperatures and currents.
The LM4040 does not require an external stabilizing
capacitor while ensuring stability with any capacitive
load.
For a 1.225V output version, refer to the LM4041 data
sheet.
o
Ultra-Small 3-Pin SC70 Package
o
0.1% max Initial Accuracy
o
100ppm/擄C max Temperature Coefficient
Guaranteed over -40擄C to +85擄C Temperature
Range
o
Wide Operating Current Range: 60碌A(chǔ) to 15mA
o
Low 28碌V
RMS
Output Noise (10Hz to 10kHz)
o
2.048V, 2.500V, 3.000V, 4.096V, and 5.000V Fixed
Reverse Breakdown Voltage
o
No Output Capacitors Required
o
Tolerates Capacitive Loads
Features
LM4040
________________________Applications
Portable, Battery-Powered Equipment
Notebook Computers
Cell Phones
Industrial Process Controls
LM4040_IX3-2.1
LM4040_IX3-2.1
LM4040_IM3-2.5
LM4040_IX3-2.5
LM4040_IM3-3.0
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
PART
TEMP.
RANGE
Selector Guide
PIN-
PACKAGE
3 SOT23-3
3 SC70-3
3 SOT23-3
3 SC70-3
3 SOT23-3
3 SC70-3
3 SOT23-3
3 SC70-3
3 SOT23-3
3 SC70-3
OUTPUT
VOLTAGE
(V)
2.048
2.048
2.500
2.500
3.000
3.000
4.096
4.096
5.000
5.000
Pin Configuration
TOP VIEW
+
1
LM4040_IX3-3.0
LM4040_IM3-4.1
LM4040_IX3-4.1
LM4040_IM3-5.0
LM4040_IX3-5.0
LM4040
-
2
3
N.C.*
Ordering Information appears at end of data sheet.
SC70-3/SOT23-3
*PIN 3 MUST BE LEFT FLOATING
OR CONNECTED TO PIN 2.
________________________________________________________________
Maxim Integrated Products
1
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.

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