LTC6655BHMS8-3.3PBF datasheet(3/22 Pages) LINER

Part #	LTC6655BHMS8-3.3PBF

Description	0.25ppm Noise, Low Drift Precision Buffered Reference Family

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Manufacturer	LINER [Linear Technology]

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LTC6655

6655fa

aVailable opTions

OUTPUT VOLTAGE

INITIAL ACCURACY

TEMPERATURE COEFFICIENT

PART NUMBER†

1.250

0.025%

0.05%

2ppm/°C

5ppm/°C

LTC6655BHMS8-1.25

LTC6655CHMS8-1.25

2.048

0.025%

0.05%

2ppm/°C

5ppm/°C

LTC6655BHMS8-2.048

LTC6655CHMS8-2.048

2.500

0.025%

0.05%

2ppm/°C

5ppm/°C

LTC6655BHMS8-2.5

LTC6655CHMS8-2.5

3.000

0.025%

0.05%

2ppm/°C

5ppm/°C

LTC6655BHMS8-3.0

LTC6655CHMS8-3.0

3.300

0.025%

0.05%

2ppm/°C

5ppm/°C

LTC6655BHMS8-3.3

LTC6655CHMS8-3.3

4.096

0.025%

0.05%

2ppm/°C

5ppm/°C

LTC6655BHMS8-4.096

LTC6655CHMS8-4.096

5.000

0.025%

0.05%

2ppm/°C

5ppm/°C

LTC6655BHMS8-5

LTC6655CHMS8-5

†See Order Information section for complete part number listing.

elecTrical characTerisTics The

l

denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VIN = VOUT + 0.5V, VOUT_S connected to VOUT_F, unless otherwise noted.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Output Voltage

LTC6655B

LTC6655C

–0.025

–0.05

0.025

0.05

%

Output Voltage Temperature Coefficient

(Note 4)

LTC6655B

LTC6655C

l

1

2.5

2

5

ppm/°C

Line Regulation

VOUT + 0.5V ≤ VIN ≤ 13.2V, SHDN = VIN

l

5

25

40

ppm/V

Load Regulation (Note 5)

ISOURCE = 5mA

l

3

15

ppm/mA

ISINK = 5mA

l

10

30

ppm/mA

Operating Voltage (Note 6)

LTC6655-1.25, LTC6655-2.048, LTC6655-2.5

ISOURCE = 5mA, VOUT Error ≤ 0.1%

l

3

13.2

V

LTC6655-3, LTC6655-3.3, LTC6655-4.096, LTC6655-5

ISOURCE = ±5mA, VOUT Error ≤ 0.1%

IOUT = 0mA, VOUT Error ≤ 0.1%

l

VOUT + 0.5

VOUT + 0.2

13.2

V

Output Short-Circuit Current

Short VOUT to GND

Short VOUT to VIN

20

mA

Shutdown Pin (SHDN)

Logic High Input Voltage

Logic High Input Current, SHDN = 2V

l

2.0

12

V

µA

Logic Low Input Voltage

Logic Low Input Current, SHDN = 0.8V

l

0.8

15

V

µA

Supply Current

No Load

l

5

7

7.5

mA

Shutdown Current

SHDN Tied to GND

l

20

µA

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