MAX1197ECM+TD【PDF 16/22 页】IC ADC 8BIT 60MSPS DL 48-TQFP

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Sheet目录2008

12页 13页 14页 15页 [16页]17页 18页 19页 20页

MAX1197

Dual, 8-Bit, 60Msps, 3V, Low-Power ADC with

Internal Reference and Parallel Outputs

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

(VDD = OVDD = 3V, 0.1F and 2.2F capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a 10k

resistor, VIN = 2VP-P (differential with respect to COM), CL = 10pF at digital outputs, fCLK = 60MHz, TA = TMIN to TMAX, unless otherwise

noted.

≥ +25°C guaranteed by production test, < +25°C guaranteed by design and characterization. Typical values are at TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

fINA or B = 7.5MHz at -1dB FS

48.6

fINA or B = 20MHz at -1dB FS

46.5

48.6

fINA or B = 30MHz at -1dB FS

48.5

Signal-to-Noise

and Distortion

SINAD

fINA or B = 115.1MHz at -1dB FS

48.2

fINA or B = 7.5MHz at -1dB FS

fINA or B = 20MHz at -1dB FS

fINA or B = 30MHz at -1dB FS

Spurious-Free

Dynamic Range

SFDR

fINA or B = 115.1MHz at -1dB FS

dBc

fINA or B = 7.5MHz at -1dB FS

-75

fINA or B = 20MHz at -1dB FS

-72

fINA or B = 30MHz at -1dB FS

-72

Third-Harmonic

Distortion

HD3

fINA or B = 115.1MHz at -1dB FS

-68

dBc

Intermodulation Distortion

(First Five Odd-Order IMDs)

IMD

fIN1(A or B) = 1.985MHz at -7dB FS

fIN2(A or B) = 2.029MHz at -7dB FS

(Note 2)

-70

dBc

Third-Order Intermodulation

Distortion

IM3

fIN1(A or B) = 1.985MHz at -7dB FS

fIN2(A or B) = 2.029MHz at -7dB FS

(Note 2)

-71.8

dBc

fINA or B = 7.5MHz at -1dB FS

-69

fINA or B = 20MHz at -1dB FS

-67

-57

fINA or B = 30MHz at -1dB FS

-67

Total Harmonic Distortion

(First Four Harmonics)

THD

fINA or B = 115.1MHz at -1dB FS

-65

dBc

Small-Signal Bandwidth

Input at -20dB FS, differential inputs

500

MHz

Full-Power Bandwidth

FPBW

Input at -1dB FS, differential inputs

400

MHz

Gain Flatness

(12MHz Spacing)

fIN1(A or B) = 106 MHz at -1dB FS

fIN2(A or B) = 118 MHz at -1dB FS

(Note 3)

0.05

Aperture Delay

tAD

1ns

Aperture Jitter

tAJ

1dB SNR degradation at Nyquist

psRMS

Overdrive Recovery Time

For 1.5

× full-scale input

INTERNAL REFERENCE (REFIN = REFOUT through 10k

resistor; REFP, REFN, and COM levels are generated internally.)

Reference Output Voltage

VREFOUT

(Note 4)

2.048

±3%

Positive Reference Output

Voltage

VREFP

(Note 5)

2.012

Negative Reference Output

Voltage

VREFN

(Note 5)

0.988

Common-Mode Level

VCOM

(Note 5)

VDD / 2

±0.1

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