LT1460 datasheet(8/22 Pages) LINEAR

Part #	LT1460

Description	1.5ppm C Drift, Low Noise, Buffered Reference

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Manufacturer	LINEAR [Linear Integrated Systems]

Direct Link	http://www.linearsystems.com

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LT6657

8

6657fb

For more information www.linear.com/LT6657

pin FuncTions

SHDN (Pin 3): Shutdown Input. This active low input

disables the part to reduce supply current < 2µA. This

pin must be driven externally and should be tied to VIN

if unused. It may be driven to logic high or to VIN during

normal operation.

VIN (Pin 2): Input Voltage Supply. Bypass VIN with a local

0.1µF or larger capacitor to GND.

GND (Pin 4): Device Ground. This pin must be connected

to a noise-free ground plane. A star-ground with related

circuits will give the best results. Be careful of trace im-

pedance, as the GND pin carries supply return current.

VOUT (Pin 6): Reference Output Voltage. This pin can

source and sink current to a load. An output capacitor of

1µF or higher is required for stability.

DNC (Pins 1, 5, 7, 8): Internal Functions. Do Not Connect

or electrically stress these pins. These pins must be left

floating and leakage currents from these pins should be

kept to a minimum. Allow additional routing clearance.

block DiagraM

–

+

VOUT

6

VIN

2

3

6657 BD

BANDGAP

BIAS

ERROR

AMP

SHDN

GND

4

RG

RF

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