LT1460
Micropower Precision
Series Reference Family
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Trimmed to High Accuracy: 0.075% Max The LT 1460 is a micropower bandgap reference that
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Low Drift: 10ppm/C Max combines very high accuracy and low drift with low power
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Industrial Temperature Range dissipation and small package size. This series reference
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Temperature Coefficient Guaranteed to 125C uses curvature compensation to obtain low temperature
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Low Supply Current: 130A Max (LT1460-2.5) coefficient and trimmed precision thin-film resistors to
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Minimum Output Current: 20mA achieve high output accuracy. The reference will supply
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No Output Capacitor Required up to 20mA with excellent line regulation characteristics,
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Reverse Battery Protection making it ideal for precision regulator applications.
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Minimum Input/Output Differential: 0.9V
This series reference provides supply current and power
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Available in S0-8, MSOP-8, PDIP-8, TO-92 and
dissipation advantages over shunt references that must idle
SOT- 23 Package
the entire load current to operate. Additionally, the LT1460
does not require an output compensation capacitor, yet
is stable with capacitive loads. This feature is important
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where PC board space is a premium or fast settling is
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Handheld Instruments
demanded. In the event of a reverse battery connection,
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Precision Regulators
these references will not conduct current, and are therefore
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A/D and D/A Converters
protected from damage.
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Power Supplies
n The LT1460 is available in the 8-lead MSOP, SO, PDIP and
Hard Disk Drives
the 3-lead TO-92 and SOT23 packages.
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
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Typical Distribution of Output Voltage
Basic Connection S8 Package
20
1400 PARTS
LT1460-2.5
18
3.4V FROM 2 RUNS
IN OUT 2.5V
TO 20V 16
C1
GND
14
0.1F
12
1460 TA01
10
8
6
4
2
0
0.10 0.06 0.02 0 0.02 0.06 0.10
OUTPUT VOLTAGE ERROR (%)
1460 TA02
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UNITS (%)LT1460
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(Note 1)
Input Voltage .............................................................30V Specified Temperature Range (Note 10)
Reverse Voltage ......................................................15V Commercial (C) ........................................ 0C to 70C
Output Short-Circuit Duration, T = 25C Industrial (I) .........................................40C to 85C
A
V > 10V ............................................................5 sec High (H) ............................................. 40C to 125C
IN
V 10V ..................................................... Indefinite Storage Temperature Range (Note 2) ..... 65C to 150C
IN
Lead Temperature (Soldering, 10 sec)...................300C
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TOP VIEW
IN 1
3 GND
OUT 2
S3 PACKAGE
3-LEAD PLASTIC SOT-23
T = 125C, = 228C/W
JMAX JA
TOP VIEW TOP VIEW
DNC* 1 8 DNC* DNC* 1 8 DNC*
V DNC*
2 7 V 2 7 DNC*
IN IN
DNC* 3 6 V DNC* V
OUT 3 6
OUT
GND 4 5 DNC* GND DNC*
4 5
N8 PACKAGE S8 PACKAGE
8-LEAD PLASTIC DIP 8-LEAD PLASTIC SO
*CONNECTED INTERNALLY. *CONNECTED INTERNALLY.
DO NOT CONNECT EXTERNAL CIRCUITRY TO THESE PINS DO NOT CONNECT EXTERNAL CIRCUITRY TO THESE PINS
T = 150C, = 130C/W T = 150C, = 190C/W
JMAX JA JMAX JA
TOP VIEW
BOTTOM VIEW
DNC* 1 8 DNC*
1 2 3
V 2 7 DNC*
IN
DNC* 3 6 V
OUT V V GND
IN OUT
GND 4 5 DNC*
MS8 PACKAGE
8-LEAD PLASTIC MSOP
*CONNECTED INTERNALLY.
Z PACKAGE
DO NOT CONNECT EXTERNAL
3-LEAD TO-92 PLASTIC
CIRCUITRY TO THESE PINS
T = 150C, = 160C/W
JMAX JA
T = 150C, = 250C/W
JMAX JA
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