Rainbow Electronics MAX1182 - Manual (Page 3)

MAX1182
Dual 10-Bit, 65Msps, +3V, Low-Power ADC with
Internal Reference and Parallel Outputs
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ELECTRICAL CHARACTERISTICS (continued)
(V DD = +3V, OV DD = +2.5V; 0.1µF and 1.0µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through
a 10k Ω resistor, V
IN = 2Vp-p (differential w.r.t. COM), C L = 10pF at digital outputs (Note 5), f CLK = 65MHz (50% duty cycle),
T A = T MIN to T MAX , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
f INA or B = 7.47MHz -83
f INA or B = 20MHz -82 Third-Harmonic Distortion HD3
f INA or B = 39.9MHz (Note 1) -77
dBc
f INA or B = 19.13042MHz at -6.5dB FS Intermodulation Distortion
(first 5 odd-order IMDs)
IMD
f I N A o r B = 21.2886M H z at - 6.5d B FS ( N ote 2)
-75 dBc
f INA or B = 7.47MHz, T A = +25 °C -75.5 -64
f INA or B = 20MHz, T A = +25 °C -76 -63
Total Harmonic Distortion
(first 5 harmonics)
THD
f
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 AD 1 ns
Aperture Jitter t AJ 2 ps 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%
V
Reference Temperature
Coefficient
TC 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
V REFP 2.012 V
Negative Reference Output
Voltage
V 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 M Ω