Rainbow Electronics MAX1122 - Manual (Page 7)

MAX1122
1.8V, 10-Bit, 170Msps Analog-to-Digital Converter
with LVDS Outputs for Wideband Applications
_______________________________________________________________________________________ 7
SINAD vs. TEMPERATURE (f IN = 64.9994MHz,
f SAMPLE = 169.984MHz, A IN = -0.5dBFS)
MAX1122 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 = 64.9994MHz,
f SAMPLE = 169.984MHz, A IN = -0.5dBFS)
MAX1122 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 = 60.0374MHz, A IN = -0.5dBFS)
MAX1122 toc21
f SAMPLE (MHz)
P DISS
(mW)
140 110 80 50
432
426
444
438
456
450
468
462
480
474
420
20 170
FS VOLTAGE vs. FS ADJUST RESISTOR
MAX1122 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 = 60.0374MHz, A IN = -0.5dBFS)
MAX1122 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 = 170.0057MHz)
MAX1122 toc24
SUPPLY VOLTAGE (V)
V
REFIO
(V)
2.0 1.9 1.8 1.7 1.6
1.2345
1.2350
1.2355
1.2360
1.2365
1.2370
1.2340
1.5 2.1
MEASURED AT THE REFIO PIN
REFADJ = AV
CC = OV CC
0.0E+00
4.0E+04
1.2E+05
8.0E+04
1.6E+05
2.0E+05
511
2412
512 513
59838
514 515
53
NOISE HISTOGRAM
(DC INPUT, 256k-POINT DATA RECORD)
MAX1122 toc25
DIGITAL OUTPUT NOISE
CODE COUNTS
f SAMPLE = 169.984MHz
199841
PROPAGATION DELAY TIMES
vs. TEMPERATURE
MAX1122 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
= 170.0057MHz, -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.)