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LT1009CLPR +BOM

2.5-V integrated reference circuit

Manufacturer:

Texas Instruments
Mfr.Part #:

LT1009CLPR
Datasheet:

LT1009CLPR Datasheet (PDF)
Mounting Style:

Through Hole
Reference Type:

Shunt References
Output Voltage:

2.5 V
Initial Accuracy:

0.2 %
EDA/CAD Models:

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LT1009CLPR General Description

The LT1009 reference circuit is a precision-trimmed 2.5-V shunt regulator featuring low dynamic impedance and a wide operating current range. The maximum initial tolerance is ±5 mV in the LP package and ±10 mV in the D and PW packages. The reference tolerance is achieved by on-chip trimming, which minimizes the initial voltage tolerance and the temperature coefficient, _VZ.

Although the LT1009 needs no adjustments, a third terminal (ADJ) allows the reference voltage to be adjusted ±5% to eliminate system errors. In many applications, the LT1009 can be used as a terminal-for-terminal replacement for the LM136-2.5, which eliminates the external trim network.

The LT1009 uses include 5-V system references, 8-bit analog-to-digital converter (ADC) and digital-to-analog converter (DAC) references, and power-supply monitors. The device also can be used in applications such as digital voltmeters and current-loop measurement and control systems.

The LT1009C is characterized for operation from 0°C to 70°C. The LT1009I is characterized for operation from 40°C to 85°C.

Key Features

Excellent Temperature Stability
Initial Tolerance: 0.2% Max
Dynamic Impedance: 0.6 Max
Wide Operating Current Range
Directly Interchangeable With LM136
Needs No Adjustment for Minimum Temperature Coefficient

Specifications

Product Category	Voltage References	Mounting Style	Through Hole
Reference Type	Shunt References	Output Voltage	2.5 V
Initial Accuracy	0.2 %	Temperature Coefficient	25 PPM / C
Series VREF - Input Voltage - Max	-	Shunt Current - Max	10 mA
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 85 C
Series	LT1009	Accuracy	10 mV
Description/Function	2.5-V INTEGRATED REFERENCE CIRCUIT	Height	3.68 mm
Length	4.83 mm	Product	Voltage References
Product Type	Voltage References	Shunt Current - Min	400 uA
Factory Pack Quantity	2000	Subcategory	PMIC - Power Management ICs
Topology	Shunt References	Width	3.43 mm
Unit Weight	0.007520 oz