LTC2215 Ver la hoja de datos (PDF) - Linear Technology

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LTC2215

16-Bit, 80Msps/65Msps Low Noise ADC

Linear Technology 

LTC2216/LTC2215

CONVERTER CHARACTERISTICS The l denotes the specifications which apply over the full operating

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

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Integral Linearity Error

Differential Analog Input (Note 5)

l

±1.2

±3.5

LSB

Differential Linearity Error

Differential Analog Input

l

0.16/–0.2

±1

LSB

Offset Error

(Note 6)

l

±1.5

±8

mV

Offset Drift

±4

μV/°C

Gain Error

External Reference

l

±0.3

±1

%FS

Full-Scale Drift

Internal Reference

External Reference

–65

ppm/°C

±12

ppm/°C

Transition Noise

External Reference

2

LSBRMS

ANALOG INPUT 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

VIN

VIN, CM

IIN

ISENSE

IMODE

ILVDS

CIN

Analog Input Range (AIN+ – AIN–)

Analog Input Common Mode

Analog Input Leakage Current

SENSE Input Leakage Current

MODE Pin Pull-Down Current to GND

LVDS Pin Pull-Down Current to GND

Analog Input Capacitance

3.135V ≤ VDD ≤ 3.465V

Differential Input (Note 7)

0V ≤ AIN+, AIN– ≤ VDD

0V ≤ SENSE ≤ VDD

Sample Mode ENC+ < ENC–

Hold Mode ENC+ > ENC–

2.75

VP-P

l 1.2

1.575

1.8

V

l –1

1

μA

l –3

3

μA

10

μA

10

μA

9.1

pF

1.8

pF

tAP

Sample-and-Hold

Acquisition Delay Time

0.35

ns

tJITTER

CMRR

Sample-and-Hold

Aperture Jitter

Analog Input

Common Mode Rejection Ratio

1.2V < (AIN+ = AIN–) <1.8V

85

fs RMS

80

dB

BW-3dB

Full Power Bandwidth

RS < 25Ω

400

MHz

22165f

3

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