MAX19527EXE 데이터 시트보기 (PDF) - Maxim Integrated

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MAX19527EXE

Ultra-Low-Power, Octal, 12-Bit, 50Msps, 1.8V ADC with Serial LVDS Outputs

Maxim Integrated 

Ultra-Low-Power, Octal, 12-Bit, 50Msps,

1.8V ADC with Serial LVDS Outputs

ELECTRICAL CHARACTERISTICS (continued)

(VAVDD = 1.8V, VOVDD = 1.8V, internal reference, AIN = -0.5dBFS, differential clock, VCLKD = 1.5VP-P, fCLK = 50MHz, programmable

registers at default settings (Table 1), TA = -40NC to +85NC, typical values are at TA = +25NC, unless otherwise noted.) (Note 1)

PARAMETER

DYNAMIC PERFORMANCE

SYMBOL

CONDITIONS

MIN

TYP

MAX UNITS

Small-Signal Noise Floor

SSNF Analog input < -35dBFS, fIN = 5.3MHz

-69.5

dBFS

1kHz offset from 5.3MHz full-scale tone,

Near-Carrier Signal-to-Noise

Ratio

NCSNR

CREFIO = CREFH/REFL = 0.1FF

(Figure 3)

140

dBc/Hz

8-channel coherent sum

147

Signal-to-Noise Ratio

Signal-to-Noise and Distortion

Ratio

Spurious-Free Dynamic Range

Total Harmonic Distortion

SNR

SINAD

SFDR

THD

fIN = 5.3MHz at -0.5dBFS

fIN = 19.3MHz at -0.5dBFS

fIN = 5.3MHz at -0.5dBFS

fIN = 19.3MHz at -0.5dBFS

fIN = 5.3MHz at -0.5dBFS

fIN = 19.3MHz at -0.5dBFS

fIN = 5.3MHz at -0.5dBFS

fIN = 19.3MHz at -0.5dBFS

67.0

68.5

dB

68.5

66.6

68.2

dB

68.2

70.0

84

dBc

84

-81

-72

dBc

-81

Intermodulation Distortion

Full-Power Bandwidth

Overdrive Recovery Time

IMD

FPBW

fIN1 = 5.15MHz at -6.5dBFS,

fIN2 = 5.45MHz at -6.5dBFS

RSOURCE = 50I differential

6dB beyond full scale (recover accuracy

to < 1% of full scale)

-83

> 500

<1

dB

MHz

Clock

Cycles

INTERCHANNEL CHARACTERISTICS

Crosstalk

Gain Matching

Phase Matching

ANALOG OUTPUT (CMOUT)

CMOUT Output Voltage

VCMOUT

INTERNAL REFERENCE

REFIO Output Voltage

VREFIO

REFIO Temperature Coefficient

TCREF

REFH Voltage

VREFH

REFL Voltage

VREFL

EXTERNAL REFERENCE

fIN = 5.3MHz at -0.5dBFS

fIN = 5.3MHz

fIN = 5.3MHz

Default programming state

Bypass only, no DC load

Bypass only, no DC load

Bypass only, no DC load

-90

Q0.1

Q0.25

dB

dB

Degrees

1.05

1.10

1.15

V

1.22

1.25

1.28

V

< Q60

ppm/NC

1.61

V

0.86

V

REFIO Input Voltage Range

REFIO Input Resistance

VREFIN +5%/-15% tolerance

RREFIN

1.25

V

10 Q 20%

kI

3

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