LTC2281 Просмотр технического описания (PDF) - Linear Technology

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LTC2281

Dual 10-Bit, 125Msps Low Power 3V ADC

Linear Technology 

LTC2281

INTERNAL REFERENCE CHARACTERISTICS (Note 4)

PARAMETER

VCM Output Voltage

VCM Output Tempco

VCM Line Regulation

VCM Output Resistance

CONDITIONS

IOUT = 0

2.85V < VDD < 3.4V

|IOUT| < 1mA

MIN

1.475

TYP

1.500

±25

3

4

MAX

1.525

UNITS

V

ppm/°C

mV/V

Ω

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)

SYMBOL

PARAMETER

LOGIC INPUTS (CLK, OE, SHDN, MUX)

CONDITIONS

MIN TYP MAX

UNITS

VIH

VIL

IIN

CIN

LOGIC OUTPUTS

High Level Input Voltage

Low Level Input Voltage

Input Current

Input Capacitance

VDD = 3V

VDD = 3V

VIN = 0V to VDD

(Note 7)

●2

V

●

0.8

V

● –10

10

μA

3

pF

OVDD = 3V

COZ

ISOURCE

ISINK

VOH

VOL

OVDD = 2.5V

VOH

VOL

OVDD = 1.8V

VOH

VOL

Hi-Z Output Capacitance

Output Source Current

Output Sink Current

High Level Output Voltage

Low Level Output Voltage

High Level Output Voltage

Low Level Output Voltage

High Level Output Voltage

Low Level Output Voltage

OE = High (Note 7)

VOUT = 0V

VOUT = 3V

IO = –10μA

IO = –200μA

IO = 10μA

IO = 1.6mA

IO = –200μA

IO = 1.6mA

IO = –200μA

IO = 1.6mA

3

pF

50

mA

50

mA

2.995

V

● 2.7 2.99

V

0.005

V

●

0.09 0.4

V

2.49

V

0.09

V

1.79

V

0.09

V

2281fb

4

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