LT1461 datasheet(7/22 Pages) LINEAR

Part #	LT1461

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

7

6657fb

For more information www.linear.com/LT6657

Typical perForMance characTerisTics ThetestconditionsareT

A = 25°C,

VIN = VOUT + 0.5V, VSHDN = 1.6V, IOUT = 0, COUT = 1µF, unless otherwise noted.

COUT = 1µF Cer

COUT = 5µF Cer

COUT = 47µF Tant

FREQUENCY (kHz)

0.01

0.1

1

10

100

50

100

150

200

250

300

350

6657 G19

COUT = 1µF

FREQUENCY (kHz)

0.01

0.1

1

10

0.1

1

10

100

6657 G20

VSHDN = VIN

125°C

25°C

–40°C

–55°C

INPUT VOLTAGE (V)

–40 –30 –20 –10

0

10

20

30

40

–0.5

0

0.5

1.0

1.5

2.0

6657 G21

PART SELF HEATING

IS INCLUDED

125°C

25°C

–40°C

INPUT VOLTAGE (V)

0

10

20

30

40

4.9990

4.9995

5.0000

5.0005

5.0010

6657 G22

MS8 PACKAGE PART SELF

HEATING IS INCLUDED

125°C

25°C

–40°C

–55°C

OUTPUT CURRENT (mA)

0.1

1

10

–30

–20

–10

0

10

20

30

6657 G23

MS8 PACKAGE PART SELF

HEATING IS INCLUDED

125°C

25°C

–40°C

–55°C

OUTPUT CURRENT (mA)

0.1

1

10

–30

–20

–10

0

10

20

30

6657 G24

5V Output Voltage Noise

Spectrum

5V Integrated Noise 10Hz to

10kHz

5V Supply Current vs Input

Voltage

5V Line Regulation

5V Load Regulation (Sourcing)

5V Load Regulation (Sinking)

5V Minimum VIN to VOUT

Differential (Sourcing)

5V Minimum VIN to VOUT

Differential (Sinking)

5V Output Impedance vs

Frequency

125°C

25°C

–40°C

–55°C

INPUT–OUTPUT VOLTAGE (mV)

0

100

200

300

400

500

0.1

1

10

6657 G25

VIN < VOUT

125°C

25°C

–40°C

–55°C

INPUT–OUTPUT VOLTAGE (mV)

–350 –300 –250 –200 –150 –100 –50

0

50

0.1

1

10

6657 G26

COUT = 1µF

COUT = 10µF

COUT = 100µF

FREQUENCY (kHz)

1

10

100

1k

0.1

1

10

100

6657 G27

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