Rainbow Electronics MAX7470 - Manual (Page 5)

MAX7469/MAX7470
HDTV Continuously Variable
Anti-Aliasing Filters
_______________________________________________________________________________________ 5
SDA
SCL
t f t r t f
S r
t HD;STA
t HD;DAT t HIGH
t SU;DAT
t SU;STA
t HD;STA
t SU;STO
t SP t r
S S P
t LOW t SP
Figure 1. 2-Wire, Serial-Interface Timing Diagram
(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
-80
-60
-70
-30
-40
-50
0
-10
-20
10
0.1 10 1 100 1000
FREQUENCY RESPONSE (MAX7469)
MAX7469 toc01
FREQUENCY (MHz)
RESPONSE (dB)
CODE 40
CODE 90
CODE 220
CODE 255
-1.5
-2.0
-2.5
-3.0
-1.0
0
-0.5
0.5
1.0
0.1 10 1 100
PASSBAND FLATNESS (MAX7469)
MAX7469 toc02
FREQUENCY (MHz)
RESPONSE (dB)
CODE 40
CODE 255
CODE 220
CODE 90
-40
-50
-60
-70
-30
-10
-20
0
10
0.1 10 1 100 1000
FREQUENCY RESPONSE (MAX7470)
MAX7469 toc03
FREQUENCY (MHz)
RESPONSE (dB)
CODE 40
CODE 90
CODE 220
CODE 255
4.5
4.0
3.5
3.0
5.0
6.0
5.5
6.5
7.0
0.1 10 1 100
PASSBAND FLATNESS (MAX7470)
MAX7469 toc04
FREQUENCY (MHz)
RESPONSE (dB)
CODE 40
CODE 255
CODE 220
CODE 90
40
30
20
10
0
50
70
60
80
90
0.1 1 10 100
GROUP DELAY
MAX7469 toc05
FREQUENCY (MHz)
DELAY (ns)
SD
HD
200ns/div
2T RESPONSE (1 IRE = 7.14mV)
300mV/div
MAX7469 toc06
300mV/div