Rainbow Electronics MAX1446 - Manual (Page 3)

MAX1446
10-Bit, 60Msps, +3.0V, Low-Power
ADC with Internal Reference
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V DD = +3.0V, OV DD = +2.7V; 0.1µF and 1.0µF capacitors from REFP, REFN, and COM to GND; V REFIN = +2.048V, REFOUT con-
nected to REFIN through a 10k Ω resistor, V
IN = 2Vp-p (differential with respect to COM), C L
≈ 10pF at digital outputs, f
CLK =
62.5MHz (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 IN = 7.492MHz -74
f IN = 19.943MHz -73 Third-Harmonic Distortion HD3
f IN = 39.9MHz (Note 1) -71
dBc
Two-Tone Intermodulation
Distortion
IMD TT
f 1 = 19MHz at -6.5dBFS,
f 2 = 21MHz at -6.5dBFS (Note 2)
-75 dBc
Third-Order Intermodulation
Distortion
IM3
f 1 = 19MHz at -6.5dBFS
f 2 = 21MHz at -6.5dBFS (Note 2)
-75 dBc
T A = +25 °C -70 -64
f IN = 7.492MHz
T A = T MIN to T MAX -70 -61
T A = +25 °C -70 -64
f IN = 19.943MHz
T A = T MIN to T MAX -70 -61
Total Harmonic Distortion
(First 5 Harmonics)
THD
f IN = 39.9MHz (Note 1) -69
dBc
Small-Signal Bandwidth Input at -20dBFS, differential inputs 500 MHz
Full-Power Bandwidth FPBW Input at -0.5dBFS, differential inputs 400 MHz
Aperture Delay t
AD
1 ns
Aperture Jitter t AJ 2 psrms
Overdrive Recovery Time For 1.5 × full-scale input 2 ns
Differential Gain ±1 %
Differential Phase ±0.25 °
Output Noise IN+ = IN- = COM 0.2 LSBrms
INTERNAL REFERENCE
Reference Output Voltage REFOUT
2.048
±1%
V
Reference Temperature
Coefficient
TC REF 60 ppm/ °C
Load Regulation 1.25 mV/mA
EXTERNAL REFERENCE
Positive Reference REFP V REFIN = +2.048V 2.012 V
Negative Reference REFN V REFIN = +2.048V 0.988 V
Differential Reference Voltage V
REF
V
REFP
- V
REFN
, V
REFIN
= +2.048V 0.98 1.024 1.07 V
REFIN Resistance R REFIN >50 M Ω
D IGIT A L IN PU T S ( C LK, P D , O E )
CLK
0.8 x
V DD
Input High Threshold V IH
PD, O E
0.8 x
OV D D
V