Rainbow-electronics MAX1182 Manual de usuario descargar pdf (Pagina 3)

MAX1182

Dual 10-Bit, 65Msps, +3V, Low-Power ADC with

Internal Reference and Parallel Outputs

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS (continued)

= +3V, OV

= +2.5V; 0.1µF and 1.0µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through

a 10kΩ resistor, V

= 2Vp-p (differential w.r.t. COM), C

= 10pF at digital outputs (Note 5), f

CLK

= 65MHz (50% duty cycle),

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at T

= +25°C.)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

INA or B

= 7.47MHz -83

INA or B

= 20MHz -82Third-Harmonic Distortion HD3

INA or B

= 39.9MHz (Note 1) -77

dBc

INA or B

= 19.13042MHz at -6.5dB FS

Intermodulation Distortion

(first 5 odd-order IMDs)

IMD

I N A o r B

= 21.2886M H z at - 6.5d B FS ( N ote 2)

-75 dBc

INA or B

= 7.47MHz, T

= +25°C -75.5 -64

INA or B

= 20MHz, T

= +25°C -76 -63

Total Harmonic Distortion

(first 5 harmonics)

THD

INA or B

= 39.9MHz, (Note 1) -74

dBc

Small-Signal Bandwidth Input at -20dB FS, differential inputs 500 MHz

Full-Power Bandwidth FPBW Input at -0.5dB FS, differential inputs 400 MHz

Aperture Delay t

1ns

Aperture Jitter t

2ps

RMS

Overdrive Recovery Time For 1.5 x full-scale input 2 ns

Differential Gain ±1%

Differential Phase ±0.25 d egr ees

Output Noise INA+ = INA- = INB+ = INB- = COM 0.2 LSB

RMS

INTERNAL REFERENCE

Reference Output Voltage REFOUT

2.048

±3%

Reference Temperature

Coefficient

REF

60 ppm/°C

Load Regulation 1.25 mV/mA

BUFFERED EXTERNAL REFERENCE (V

REFIN

= +2.048V)

REFIN Input Voltage V

REFIN

2.048 V

Positive Reference Output

Voltage

REFP

2.012 V

Negative Reference Output

Voltage

REFN

0.988 V

Differential Reference Output

Voltage Range

∆V

REF

∆V

REF

= V

REFP

- V

REFN

0.98 1.024 1.07 V

REFIN Resistance R

REFIN

>50 MΩ

1 2 3 4 5 6 7 8 ... 20 21

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Rainbow-electronics MAX1182 Manual de usuario Pagina 3

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