Rainbow Electronics MAX1124 - Manual (Page 7)

MAX1124
1.8V, 10-Bit, 250Msps Analog-to-Digital Converter
with LVDS Outputs for Wideband Applications
_______________________________________________________________________________________ 7
SINAD vs. TEMPERATURE (f IN = 65.0344MHz,
f SAMPLE = 250.0057MHz, A IN = -0.5dBFS)
MAX1124 toc19
TEMPERATURE (°C)
SINAD (dB)
60 35 10 -15
60
59
58
57
56
55
54
53
52
51
50
-40 85
SFDR vs. TEMPERATURE (f IN = 65.0344MHz,
f SAMPLE = 250.0057MHz, A IN = -0.5dBFS)
MAX1124 toc20
TEMPERATURE (°C)
SFDR (dBc)
60 35 10 -15
55
60
65
70
75
80
50
-40 85
POWER DISSIPATION vs. f SAMPLE
(f IN = 60.0294MHz, A IN = -0.5dBFS)
MAX1124 toc21
f SAMPLE (MHz)
P
DISS
(mW)
170 130 90 50
445
435
465
455
485
475
495
505
425
10 250 210
FS VOLTAGE vs. FS ADJUST RESISTOR
MAX1124 toc22
FS ADJUST RESISTOR (Ω)
V
FS
(V)
900 800 600 700 200 300 400 500 100
1.18
1.20
1.22
1.24
1.26
1.28
1.30
1.32
1.34
1.16
0 1000
RESISTOR VALUE APPLIED
BETWEEN REFADJ AND AGND
RESISTOR VALUE APPLIED
BETWEEN REFADJ AND REFIO
FIGURE 6
SNR vs. VOLTAGE SUPPLY
(f IN = 60.0294MHz, A IN = -0.5dBFS)
MAX1124 toc23
VOLTAGE SUPPLY (V)
SNR
(dB)
2.0 1.9 1.8 1.7 1.6
60
59
58
57
56
55
54
53
52
51
50
1.5 2.1
AV CC = OV CC
INTERNAL REFERENCE vs. SUPPLY VOLTAGE
(f SAMPLE = 250.0057MHz)
MAX1124 toc24
SUPPLY VOLTAGE (V)
V
REFIO
(V)
2.0 1.9 1.8 1.7 1.6
1.2310
1.2320
1.2330
1.2340
1.2350
1.2300
1.5 2.1
MEASURED AT THE REFIO PIN
REFADJ = AV
CC = OV CC
0.0E+00
1.0E+04
3.0E+04
2.0E+04
4.0E+04
5.0E+04
6.0E+04
7.0E+04
8.0E+04
507
295
508 509 510 511
43
NOISE HISTOGRAM
(DC INPUT, 128k-POINT DATA RECORD)
MAX1124 toc25
DIGITAL OUTPUT NOISE
CODE COUNTS
f SAMPLE = 250MHz
56333
74401
PROPAGATION DELAY TIMES
vs. TEMPERATURE
MAX1124 toc26
TEMPERATURE (°C)
PROPAGATION DELAY (ns)
60 35 10 -15
1
2
3
4
5
6
0
-40 85
t CPDL
t PDL
Typical Operating Characteristics (continued)
(AV
CC
= OV
CC
= 1.8V, AGND = OGND = 0, f
SAMPLE
= 250.0057MHz, -0.5dBFS; see TOCs for detailed information on test condi-
tions, differential input drive, differential sine-wave clock input drive, 0.1µF capacitor on REFIO, internal reference, digital output pins
differential R
L = 100Ω, T A = +25°C.)