Rainbow Electronics MAX7470 - Manual (Page 6)

MAX7469/MAX7470
HDTV Continuously Variable
Anti-Aliasing Filters
6 ________________________________________________________________________________________
(AV DD = +5V, DV DD = 3.3V, R LOAD = 150Ω to GND, C LOAD = 0 to 20pF to GND, C IN = 0.1µF, T A = +25°C, unless otherwise noted.)
Typical Operating Characteristics (continued)
400ns/div
MODULATED 12.5T RESPONSE
(1 IRE = 7.14mV)
300mV/div
MAX7469 toc07
300mV/div
DIFFERENTIAL GAIN
MAX7469 toc08
DIFFERENTIAL PHASE (deg)
1 3 2 4 5 6 7
1 3 2 4 5 6 7
0.1
0.2
0
-0.1
-0.2
0.1
0.2
0
-0.1
-0.2
DIFFERENTIAL GAIN (%)
DIFFERENTIAL PHASE
-3dB FREQUENCY
vs. CONTROL CODE
MAX7469 toc09
CODE
MEASURED -3dB FREQUENCY (MHz)
204 153 102 51
6
12
18
24
30
36
0
0 255
-40
-10
-15
-20
-25
-30
-35
0
-5
5
10
0.1 10 1 100 1000
BYPASS-MODE FREQUENCY RESPONSE
MAX7469 toc10
FREQUENCY (MHz)
RESPONSE (dB)
MAX7470
MAX7469
0
4
12
8
16
20
0.1 10 1 100
BYPASS-MODE GROUP DELAY
MAX7469 toc11
FREQUENCY (MHz)
DELAY (ns)