Electrical characteristics (continued) – Rainbow Electronics MAX1195 User Manual
Page 3

MAX1195
Dual, 8-Bit, 40Msps, 3V, Low-Power ADC with
Internal Reference and Parallel Outputs
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= OV
DD
= 3V, 0.1µF and 2.2µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a 10k
Ω
resistor, V
IN
= 2V
P-P
(differential with respect to COM), C
L
= 10pF at digital outputs, f
CLK
= 40MHz, T
A
= T
MIN
to T
MAX
, unless
otherwise noted.
≥+25°C guaranteed by production test, <+25°C guaranteed by design and characerization. Typical values are at
T
A
= +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
T YP
MAX
UNITS
f
INA or B
= 1MHz at -1dB FS
48.6
f
INA or B
= 7.5MHz at -1dB FS
48.5
f
INA or B
= 20MHz at -1dB FS
47
48.5
Signal-to-Noise
and Distortion
SINAD
f
INA or B
= 115.1MHz at -1dB FS
47.8
dB
f
INA or B
= 1MHz at -1dB FS
73
f
INA or B
= 7.5MHz at -1dB FS
69
f
INA or B
= 20MHz at -1dB FS
60
68.7
Spurious-Free
Dynamic Range
SFDR
f
INA or B
= 115.1MHz at -1dB FS
63
dBc
f
INA or B
= 1MHz at -1dB FS
- 75
f
INA or B
= 7.5MHz at -1dB FS
- 73
f
INA or B
= 20MHz at -1dB FS
- 70
Third-Harmonic
Distortion
HD3
f
INA or B
= 115.1MHz at -1dB FS
- 63
dBc
Intermodulation Distortion
(First Five Odd-Order IMDs)
IMD
f
IN1(A or B)
= 1.997MHz at -7dB FS
f
IN2(A or B)
= 2.046MHz at -7dB FS
(Note 2)
- 69.5
dBc
Third-Order Intermodulation
Distortion
IM3
f
IN1(A or B)
= 1.997MHz at -7dB FS
f
IN2(A or B)
= 2.046 MHz at -7dB FS
(Note 2)
- 71.7
dBc
f
INA or B
= 1MHz at -1dB FS
- 70
f
INA or B
= 7.5MHz at -1dB FS
- 69
f
INA or B
= 20MHz at -1dB FS
- 69
-57
Total Harmonic Distortion
(First Four Harmonics)
THD
f
INA or B
= 115.1MHz at -1dB FS
- 62
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)
f
IN1(A or B)
= 106 MHz at -1dB FS
f
IN2(A or B)
= 118 MHz at -1dB FS
(Note 3)
0.05
dB
Aperture Delay
t
AD
(Note 1)
1
ns
Aperture Jitter
t
AJ
1dB SNR degradation at Nyquist
2
ps
RMS
Overdrive Recovery Time
For 1.5
× full-scale input
2
ns
IN T ER N A L REF ER EN C E ( RE FIN = RE FOU T thr oug h 10k
Ω r esi stor ; RE FP , RE FN , and C OM l evel s ar e g ener ated i nter nal l y.)
Reference Output Voltage
V
REFOUT
(Note 4)
2.048
± 3%
V
Positive Reference Output
Voltage
V
REFP
(Note 5)
2.012
V
Negative Reference Output
Voltage
V
REFN
(Note 5)
0.988
V