LT1469 datasheet(4/26 Pages) LINER

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LTC2326-16

232616fa

For more information www.linear.com/LTC2326-16

inTernal reFerence characTerisTics

reFerence buFFer characTerisTics

DigiTal inpuTs anD DigiTal ouTpuTs

The l denotes the specifications which apply over the

full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4)

The l denotes the specifications which apply over the full

operating temperature range, otherwise specifications are at TA = 25°C. (Note 4)

The l denotes the specifications which apply over the

full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VREFIN

Internal Reference Output Voltage

2.043

2.048

2.053

VREFIN Temperature Coefficient

(Note 14)

ppm/°C

REFIN Output Impedance

kΩ

VREFIN Line Regulation

VDD = 4.75V to 5.25V

0.08

mV/V

REFIN Input Voltage Range

(REFIN Overdriven) (Note 5)

1.25

2.4

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VREFBUF

Reference Buffer Output Voltage VREFIN = 2.048V

4.091

4.096

4.101

REFBUF Input Voltage Range

(REFBUF Overdriven) (Notes 5, 9)

2.5

REFBUF Output Impedance

VREFIN = 0V

kΩ

IREFBUF

REFBUF Load Current

VREFBUF = 5V (REFBUF Overdriven) (Notes 9, 10)

VREFBUF = 5V, Nap Mode (REFBUF Overdriven) (Note 9)

0.56

0.39

0.6

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VIH

High Level Input Voltage

0.8 • OVDD

VIL

Low Level Input Voltage

0.2 • OVDD

IIN

Digital Input Current

VIN = 0V to OVDD

–10

μA

CIN

Digital Input Capacitance

VOH

High Level Output Voltage

IO = –500µA

OVDD – 0.2

VOL

Low Level Output Voltage

IO = 500µA

0.2

IOZ

Hi-Z Output Leakage Current

VOUT = 0V to OVDD

–10

µA

ISOURCE

Output Source Current

VOUT = 0V

–10

ISINK

Output Sink Current

VOUT = OVDD

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