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M
6-Bit Quadrature Digitizer
4
_______________________________________________________________________________________
Note 2:
Guaranteed by design.
Note 3:
A warm-up of 10 seconds is required at T
A
= 0°C.
Note 4:
Sample characterization at T
A
= 0°C to +70°C.
Note 5:
Digital inputs include Programmable Sample Rate Control (S0–S2), Binary Enable (BINEN).
Note 6:
R
S
= Source Resistance of signal source driving IF input (IFIN, pin 90).
R
TERM
= Termination Resistance for inverting IF input (IFINB, pin 91).
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 4.75V to 5.25V, T
A
= +25°C, unless otherwise noted.)
f
1
= 10MHz, FS - 7dB; f
2
= 12MHz, FS - 7dB
f
IN
= 15MHz, f
S
= 60Msps, V
IN
= 95% FS
10MHz off f
C
, 1Hz bandwidth
10kHz off f
C
, 1Hz bandwidth
(limited by external tank Q)
V
BASEBAND
= 3V
p-p
Full-scale transition, settle to within 1%
f
S
= 60Msps
(Note 2)
f
LO
= 650MHz
f
LO
= 650MHz
100Hz to 15MHz, each channel excluding
filter
f
C
= 30MHz
5Hz to 20MHz
f = 2 x f
C
(with respect to signal level at f = 0.5 x f
C
)
f
C
= 10MHz
CONDITIONS
dBc
-38
IIP3
AD
ADC Input IP3 Rejection
Bits
5.5
ENB
ADC Effective Number of Bits
ns
10
Recover
Baseband Overdrive Recovery
ns
10
t
TRAN
ADC Transient Response
ps
80
t
AU
ADC Aperture Uncertainty
Msps
60
SR
MAX
ADC Maximum Sample Rate, Each Section
MHz
20
BW
0.1dB
ADC 0.1dB Bandwidth
ns
0.5
T
Composite Group Delay Variation
degree
1.5
Φ
(IQ)
Composite I/Q Phase Balance
dBc/Hz
-140
Φ
N
LO Device Phase Noise Floor
dB
0.3
M
(IQ)
Composite I/Q Amplitude Balance
V
2.3
2.9
V
FTMAX
dBc/Hz
-88
Φ
N
LO Device Phase Noise
dB
0.4
AV
MIXER Output Baseband Gain Flatness
dB
28
A
SB
Lowpass Filter Stop-Band Attenuation
1.5
2.1
V
FTMIN
Lowpass Filter Tune Voltage
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
Gain configured for P
IF
= -50dBm,
f
BB1
= 5MHz, f
BB2
= 6MHz
External resonator, guaranteed
-34
MHz
400
700
f
LO
LO Frequency Coverage
Gain configured for P
IF
= -10dBm,
f
BB1
= 5MHz, f
BB2
= 6MHz
dBm
6
IIP3
Input 3rd-Order Intercept Point
Maximum gain to minimum gain
dB/dB
1
NF
Noise Figure Variation
R
TERM
= 50
,
gain configured for P
IF
= -50dBm
dB
20
NF
Noise Figure (Note 6)
(Note 2)
MHz
400
700
f
IF
IF Input Frequency Range
R
S
= 50
, R
TERM
= 25
, no matching
network, f
IF
= 400MHz to 700MHz
1.7
VSWR
IF Port VSWR (Note 6)
R
S
= 50
, f
IF
= 400MHz to 700MHz
dBm
-50
-10
P
IF
IF Port Dynamic Range (Notes 2, 6)
AC SPECIFICATIONS (GND = System Ground, V
CC
= V
CCD
= 5.0V ±5%)