Typical operating characteristics (continued) – Rainbow Electronics MAX1123 User Manual
Page 7
MAX1123
1.8V, 10-Bit, 210Msps Analog-to-Digital Converter
with LVDS Outputs for Wideband Applications
_______________________________________________________________________________________
7
SINAD vs. TEMPERATURE (f
IN
= 64.9974MHz,
f
SAMPLE
= 210.0428MHz, A
IN
= -0.5dBFS)
MAX1123 toc19
TEMPERATURE (°C)
SINAD (dBc)
60
35
10
-15
60
59
58
57
56
55
54
53
52
51
50
-40
85
SFDR vs. TEMPERATURE (f
IN
= 64.9974MHz,
f
SAMPLE
= 210.0428MHz, A
IN
= -0.5dBFS)
MAX1123 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
= 60.0126MHz, A
IN
= -0.5dBFS)
MAX1123 toc21
f
SAMPLE
(MHz)
P
DISS
(mW)
170
130
90
50
435
455
445
475
465
495
485
425
10
210
150
110
70
30
190
FS VOLTAGE vs. FS ADJUST RESISTOR
MAX1123 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
= 60.0126MHz, A
IN
= -0.5dBFS)
MAX1123 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
= 210.0057MHz)
MAX1123 toc24
SUPPLY VOLTAGE (V)
V
REFIO
(V)
2.0
1.9
1.8
1.7
1.6
1.2305
1.2310
1.2315
1.2320
1.2325
1.2300
1.5
2.1
MEASURED AT THE REFIO PIN
REFADJ = AV
CC
= OV
CC
0.0E+00
1.0E+04
3.0E+05
2.0E+04
4.0E+05
5.0E+05
511
13207
512
513
174671
514
515
219
NOISE HISTOGRAM
(DC INPUT, 256k-POINT DATA RECORD)
MAX1123 toc25
DIGITAL OUTPUT NOISE
CODE COUNTS
467263
f
SAMPLE
= 210MHz
PROPAGATION DELAY TIMES
vs. TEMPERATURE
MAX1123 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
= 210.0057MHz, -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.)