Rainbow-electronics MAX1121 Manual de usuario descargar pdf (Pagina 2)

MAX1121

1.8V, 8-Bit, 250Msps Analog-to-Digital Converter

with LVDS Outputs for Wideband Applications

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

to AGND ......................................................-0.3V to +2.1V

to OGND .....................................................-0.3V to +2.1V

to OV

.......................................................-0.3V to +2.1V

AGND to OGND ....................................................-0.3V to +0.3V

Analog Inputs to AGND ...........................-0.3V to (AV

+ 0.3V)

Digital Inputs to AGND.............................-0.3V to (AV

+ 0.3V)

REF, REFADJ to AGND............................-0.3V to (AV

+ 0.3V)

Digital Outputs to OGND.........................-0.3V to (OV

+ 0.3V)

ESD on All Pins (Human Body Model).............................±2000V

Continuous Power Dissipation (T

= +70°C)

68-Pin QFN (derate 41.7mW/°C above +70°C) .........3333mW

Operating Temperature Range ...........................-40°C to +85°C

Junction Temperature......................................................+150°C

Storage Temperature Range .............................-60°C to +150°C

Lead Temperature (soldering, 10s) .................................+300°C

Maximum Current into Any Pin............................................50mA

ELECTRICAL CHARACTERISTICS

(AV

= OV

= 1.8V, AGND = OGND = 0, f

SAMPLE

= 250MHz, differential sine-wave clock input drive, 0.1µF capacitor on REFIO,

internal reference, digital output pins differential R

= 100Ω ±1%, C

= 5pF, T

= T

MIN

to T

MAX

, unless otherwise noted. ≥25°C guar-

anteed by production test, <25°C guaranteed by design and characterization. Typical values are at T

= +25°C.)

PARAMETER

SYMBOL

CONDITIONS MIN

TYP

MAX

UNITS

DC ACCURACY

Resolution 8 Bits

Integral Nonlinearity INL (Note 1) -0.6

±0.2 +0.6

LSB

Differential Nonlinearity DNL No missing codes (Note 1) -0.9

±0.1 +0.9

LSB

Transfer Curve Offset V

(Note 1) -10 +10 LSB

Offset Temperature Drift ±20

µV/°C

ANALOG INPUTS (INP, INN)

Full-Scale Input Voltage Range V

(Note 1)

1100 1250 1375

P-P

Full-Scale Range Temperature

Drift

130

ppm/°C

Common-Mode Input Range V

1.38

±0.18

Input Capacitance C

3pF

Differential Input Resistance R

3.00

4.4 6.5 kΩ

Full-Power Analog Bandwidth FPBW Figure 8 600

MHz

REFERENCE (REFIO, REFADJ)

Reference Output Voltage V

REFIO

1.18 1.24 1.30

Reference Temperature Drift 90

ppm/°C

REFADJ Input High Voltage

REFADJ

Used to disable the internal reference

0.3

SAMPLING CHARACTERISTICS

Maximum Sampling Rate

SAMPLE

250

MHz

Minimum Sampling Rate

SAMPLE

MHz

1 2 3 4 5 6 7 ... 16 17

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Rainbow-electronics MAX1121 Manual de usuario Pagina 2

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