LT1009C Linear Technology, LT1009C Datasheet

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LT1009C

Manufacturer Part Number
LT1009C
Description
2.5V Reference
Manufacturer
Linear Technology
Datasheet

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FEATURES
APPLICATIO S
TYPICAL
Maximum Initial Tolerance: 0.2%
Guaranteed Temperature Stability
Maximum 0.6 Dynamic Impedance
Wide Operating Current Range
Directly Interchangeable with LM136 for Improved
Performance
No Adjustments Needed for Minimum Temperature
Coefficient
Reference for 5V Systems
8-Bit A/D and D/A Reference
Digital Voltmeters
Current Loop Measurement and Control Systems
Power Supply Monitor
APPLICATION
*DOES NOT AFFECT
LT1009
TEMPERATURE COEFFICIENT.
U
5% TRIM RANGE
2.5V Reference
5V TO 35V
3.6k
10k*
TRIM
U
OUTPUT
1009 TA01
DESCRIPTIO
The LT
diode featuring a maximum initial tolerance of only 5mV.
The low dynamic impedance and wide operating current
range enhances its versatility. The 0.2% reference toler-
ance is achieved by on-chip trimming which not only
minimizes the initial voltage tolerance but also minimizes
the temperature drift.
Even though no adjustments are needed with the LT1009,
a third terminal allows the reference voltage to be adjusted
the LT1009 can be used as a pin-to-pin replacement of the
LM136 and the external trim network eliminated.
For a lower drift 2.5V reference, see the LT1019 data sheet.
5% to calibrate out system errors. In many applications,
, LTC and LT are registered trademarks of Linear Technology Corporation.
®
1009 is a precision trimmed 2.5V shunt regulator
2.53
2.52
2.51
2.50
2.49
2.48
2.47
–50
–25
U
0
Output Voltage
TEMPERATURE ( C)
GUARANTEED
GUARANTEED
2.5V Reference
MAXIMUM
MINIMUM
25
50
LT1009 Series
TYPICAL
75
100
1009 TA02
125
1

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LT1009C Summary of contents

Page 1

... In many applications, the LT1009 can be used as a pin-to-pin replacement of the LM136 and the external trim network eliminated. For a lower drift 2.5V reference, see the LT1019 data sheet. , LTC and LT are registered trademarks of Linear Technology Corporation. 2.53 2.52 2.51 OUTPUT 2 ...

Page 2

... LT1009CH U AVAILABLE OPTIO S ACCURACY TEMPERATURE (%) 0.20 0.40 – 0.20 0.40 – 125 C 0. RATINGS (Note 1) Operating Temperature Range LT1009/LT1009C .................................. LT1009I ........................................... – LT1009M ........................................ – 125 TOP VIEW ADJ PACKAGE ...

Page 3

... A 20 Note 3: Average temperature coefficient is defined as the total voltage change divided by the specified temperature change. Forward Characteristics 1 1.0 0.8 0.6 0.4 0.2 0 0.001 0.01 0.1 1 FORWARD CURRENT (mA) LT1009 Series LT1009I LT1009/LT1009C MIN TYP MAX MIN TYP MAX 2.495 2.500 2.505 2.495 2.500 2.505 2.49 2.50 2.51 2.49 2.50 2.51 6 2 3.0 12 3.0 12 0.6 0.2 1.0 0.2 1 ...

Page 4

LT1009 Series W U TYPICAL PERFORMANCE CHARACTERISTICS Dynamic Impedance 100 I = 1mA R – 125 0.1 10 100 1k 10k 100k FREQUENCY (Hz) 1009 G04 W W SCHE ATIC DIAGRA 20pF Q2 Q1 ...

Page 5

U TYPICAL APPLICATIONS Wide Supply Range, Adjustable Reference 3.6V TO 40V + V LM334 R – 10k LT1009 5V –5V Low Temperature Coefficient Power Regulator 1009 TA03 Switchable 1.25V Bipolar Reference 10k 1% LT1009 OUT ...

Page 6

LT1009 Series PACKAGE DESCRIPTION 0.209 – 0.219 (5.309 – 5.537) 0.178 – 0.195 (4.521 – 4.953) 0.500 (12.700) MIN REFERENCE PLANE 0.016 – 0.021** (0.406 – 0.533) DIA 0.060 0.005 (1.524 0.127) DIA 0.180 0.005 (4.572 0.127) 0.500 (12.70) MIN ...

Page 7

... FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...

Page 8

... TA06 COMMENTS Bandgap, 0.05%, 5ppm and 10V Zener-Based 5ppm/ C, SO-8 Package 0.15% Max, 6.5 A Supply Current Bandgap, 130 A Supply Current 10ppm/ C, Available in SOT-23 Bandgap 0.05%, 10ppm Supply Current 0.04% Max, 3ppm/ C Max Supply Current 6 2.5V 1009sfa LT/TP 0200 2K REV A • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1985 ...

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