Rainbow Electronics MAX7473 - Manual (Page 6)

MAX7472/MAX7473
HDTV Anti-Aliasing Filters with Triple-Input Mux
6 _______________________________________________________________________________________
-40
-10
-15
-20
-25
-30
-35
0
-5
5
10
0.1 10 1 100 1000
BYPASS-MODE FREQUENCY RESPONSE
MAX7472/73 toc10
FREQUENCY (MHz)
RESPONSE (dB)
MAX7473
MAX7472
0
4
12
8
16
20
0.1 10 1 100
BYPASS-MODE GROUP DELAY
MAX7472/73 toc11
FREQUENCY (MHz)
DELAY (ns)
Typical Operating Characteristics (continued)
(AV
DD
= +5V, DV
DD
= 3.3V, R
LOAD
= 150Ω to GND, C
IN
= 0.1µF, T
A
= +25°C.)
Pin Description
PIN NAME FUNCTION
1 INC1 Channel C Input 1. AC-couple INC1 with a series 0.1µF capacitor.
2, 6, 25, 26 AGND
Analog Ground. Connect all AGND pins to the ground plane. See the Power-Supply Bypassing and
Layout Considerations section.
3 INA2 Channel A Input 2. AC-couple INA2 with a series 0.1µF capacitor.
4 INB2 Channel B Input 2. AC-couple INB2 with a series 0.1µF capacitor.
5 INC2 Channel C Input 2. AC-couple INC2 with a series 0.1µF capacitor.
7 INA3 Channel A Input 3. AC-couple INA3 with a series 0.1µF capacitor.
8 INB3 Channel B Input 3. AC-couple INB3 with a series 0.1µF capacitor.
9 INC3 Channel C Input 3. AC-couple INC3 with a series 0.1µF capacitor.
10 DGND Digital Ground. See the Power-Supply Bypassing and Layout Considerations section.
11 SYNCA Channel A External Sync Input. Connect to ground if not used.
12 SYNCB Channel B External Sync Input. Connect to ground if not used.
13 SYNCC Channel C External Sync Input. Connect to ground if not used.
14 SCL I 2 C-Compatible Serial Clock Input
15 SDA I 2 C-Compatible Serial Data Input/Output
16 DV DD
Digital Power Supply. Bypass to DGND with a 0.1µF capacitor. See the Power-Supply Bypassing and
Layout Considerations section.
17 OUT3 Video Output 3. OUT3 can be either AC- or DC-coupled.
18, 20, 22 AV DD
Analog Power Supply. Bypass each AV DD input to AGND using a 0.1µF capacitor. See the Power-
Supply Bypassing and Layout Considerations section.