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LM385Z-2.5/LFT1 +BOM

Shunt Voltage Reference IC Fixed 2.5V V ±3% 20 mA TO-92-3

Produttore:

Texas Instruments
ProduttorePart #:

LM385Z-2.5/LFT1
Scheda dati:

LM385Z-2.5/LFT1 Scheda dati (PDF)
Mounting Style:

Through Hole
Reference Type:

Shunt Precision References
Output Voltage:

2.5 V
Initial Accuracy:

3 %
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per LM385Z-2.5/LFT1

LM385Z-2.5/LFT1 Descrizione generale

The LM185-2.5-N/LM285-2.5-N/LM385-2.5-N are micropower 2-terminal band-gap voltage regulator diodes. Operating over a 20 μA to 20 mA current range, they feature exceptionally low dynamic impedance and good temperature stability. On-chip trimming is used to provide tight voltage tolerance. Since the LM-185-2.5-N band-gap reference uses only transistors and resistors, low noise and good long term stability result.

Careful design of the LM185-2.5-N has made the device exceptionally tolerant of capacitive loading, making it easy to use in almost any reference application. The wide dynamic operating range allows its use with widely varying supplies with excellent regulation.

The extremely low power drain of the LM185-2.5-N makes it useful for micropower circuitry. This voltage reference can be used to make portable meters, regulators or general purpose analog circuitry with battery life approaching shelf life. Further, the wide operating current allows it to replace older references with a tighter tolerance part. For applications requiring 1.2V see LM185-1.2.

The LM185-2.5-N is rated for operation over a −55°C to 125°C temperature range while the LM285-2.5-N is rated −40°C to 85°C and the LM385-2.5-N 0°C to 70°C. The LM185-2.5-N/LM285-2.5-N are available in a hermetic TO package and the LM285-2.5-N/LM385-2.5-N are also available in a low-cost TO-92 molded package, as well as SOIC and SOT-23. The LM185-2.5-N is also available in a hermetic leadless chip carrier package.

Caratteristiche principali

±20 mV (±0.8%) max. Initial Tolerance (A Grade)
Operating Current of 20 μA to 20 mA
0.6Ω Dynamic Impedance (A Grade)
Low Temperature Coefficient
Low Voltage Reference—2.5V
1.2V Device and Adjustable Device Also Available—LM185-1.2 Series and LM185 Series, respectively

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Specifiche

Product Category	Voltage References	Mounting Style	Through Hole
Reference Type	Shunt Precision References	Output Voltage	2.5 V
Initial Accuracy	3 %	Temperature Coefficient	150 PPM / C
Shunt Current - Max	20 mA	Minimum Operating Temperature	0 C
Maximum Operating Temperature	+ 70 C	Series	LM385-2.5-N
Accuracy	20 mV	Description/Function	MICROPOWER VOLTAGE REFERENCE DIODE
Height	5.2 mm	Length	5.2 mm
Product	Voltage References	Product Type	Voltage References
Factory Pack Quantity	2000	Subcategory	PMIC - Power Management ICs
Topology	Shunt References	Width	4.19 mm
Unit Weight	0.016000 oz

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