LTC2240-10 데이터 시트보기 (PDF) - Linear Technology

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LTC2240-10

10-Bit, 170Msps ADC

Linear Technology 

LTC2240-10

DYNAMIC ACCURACY The l denotes the specifications which apply over the full operating temperature range,

otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 4)

SYMBOL

PARAMETER

CONDITIONS

MIN TYP MAX UNITS

S/(N+D)

Signal-to-Noise Plus

Distortion Ratio

(Note 12)

10MHz Input

70MHz Input

140MHz Input

60.5

dB

l 59.1 60.5

dB

60.4

dB

240MHz Input

60.1

dB

IMD

Intermodulation Distortion

fIN1 = 135MHz, fIN2 = 140MHz

81

dBc

INTERNAL REFERENCE CHARACTERISTICS (Note 4)

PARAMETER

CONDITIONS

VCM Output Voltage

VCM Output Tempco

VCM Line Regulation

VCM Output Resistance

IOUT = 0

2.375V < VDD < 2.625V

–1mA < IOUT < 1mA

MIN TYP MAX UNITS

1.225 1.25 1.275

V

±35

ppm/°C

3

mV/V

2

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

ENCODE INPUTS (ENC+, ENC–)

CONDITIONS

MIN TYP MAX UNITS

VID

Differential Input Voltage

(Note 7)

VICM

Common Mode Input Voltage

Internally Set

Externally Set (Note 7)

l 0.2

V

l

1.5

V

1.2

1.5

2.0

V

RIN

Input Resistance

4.8

kΩ

CIN

Input Capacitance

LOGIC INPUTS (OE, SHDN)

(Note 7)

2

pF

VIH

High Level Input Voltage

VDD = 2.5V

VIL

Low Level Input Voltage

VDD = 2.5V

IIN

Input Current

VIN = 0V to VDD

l 1.7

l

l –10

V

0.7

V

10

μA

CIN

Input Capacitance

LOGIC OUTPUTS (CMOS MODE)

(Note 7)

3

pF

OVDD = 2.5V

COZ

Hi-Z Output Capacitance

OE = High (Note 7)

3

pF

ISOURCE

ISINK

VOH

VOL

Output Source Current

Output Sink Current

High Level Output Voltage

Low Level Output Voltage

VOUT = 0V

VOUT = 2.5V

IO = –10μA

IO = –500μA

37

mA

23

mA

2.495

V

2.45

V

0.005

V

0.07

V

OVDD = 1.8V

VOH

VOL

High Level Output Voltage

Low Level Output Voltage

IO = –500μA

IO = 500μA

1.75

V

0.07

V

224010fb

4

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