MAX1198 datasheet(3/22 Pages) MAXIM | Dual, 8-Bit, 100Msps, 3.3V, Low-Power ADC with Internal Reference and Parallel Outputs

Part No.	MAX1198

Description	Dual, 8-Bit, 100Msps, 3.3V, Low-Power ADC with Internal Reference and Parallel Outputs

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Manufacturer	MAXIM [Maxim Integrated Products]

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Dual, 8-Bit, 100Msps, 3.3V, Low-Power ADC

with Internal Reference and Parallel Outputs

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(VDD = 3.3V, OVDD = 2.5V, 0.1µF and 2.2µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a

10k

Ω resistor, VIN = 2VP-P (differential with respect to COM), CL = 10pF at digital outputs, fCLK = 100MHz, 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

48.3

fINA or B = 20MHz at -1dB FS

46.5

48.2

fINA or B = 50MHz at -1dB FS

48.1

Signal-to-Noise and Distortion

SINAD

fINA or B = 115.1MHz at -1dB FS

48

dB

fINA or B = 7.5MHz at -1dB FS

67

fINA or B = 20MHz at -1dB FS

60

67

fINA or B = 50MHz at -1dB FS

66

Spurious-Free Dynamic Range

SFDR

fINA or B = 115.1MHz at -1dB FS

65

dBc

fINA or B = 7.5MHz at -1dB FS

-67

fINA or B = 20MHz at -1dB FS

-67

fINA or B = 50MHz at -1dB FS

-67

Third-Harmonic Distortion

HD3

fINA or B = 115.1MHz at -1dB FS

-66

dBc

Intermodulation Distortion

(First Five Odd-Order IMDs)

IMD

fIN1(A or B) = 1.989MHz at -7dB FS

fIN2(A or B) = 2.038MHz at -7dB FS

(Note 2)

-69.5

dBc

Third-Order Intermodulation

Distortion

IM3

fIN1(A or B) = 1.989MHz at -7dB FS

fIN2(A or B) = 2.038MHz at -7dB FS

(Note 2)

-80

dBc

fINA or B = 7.5MHz at -1dB FS

-66

fINA or B = 20MHz at -1dB FS

-67

-57

fINA or B = 50MHz at -1dB FS

-64

Total Harmonic Distortion

(First Four Harmonics)

THD

fINA or B = 115.1MHz at -1dB FS

-58

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) = 106MHz at -1dB FS

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

(Note 3)

0.05

dB

Aperture Delay

tAD

1ns

Aperture Jitter

tAJ

1dB SNR degradation at Nyquist

2

psRMS

Overdrive Recovery Time

For 1.5

× full-scale input

2

ns

INTERNAL REFERENCE (REFIN = REFOUT through 10k

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

Reference Output Voltage

VREFOUT

(Note 4)

2.048

±3%

V

Positive Reference Output

Voltage

VREFP

(Note 5)

2.162

V

Negative Reference Output

Voltage

VREFN

(Note 5)

1.138

V

Common-Mode Level

VCOM

(Note 5)

VDD / 2

±0.1

V

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