Rainbow Electronics MAX9671 - Manual (Page 8)

MAX9670/MAX9671
Low-Power Audio/Video Switch with Audio
Volume Control for Dual SCART Connectors
8 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V VID = V AUD = 3.3V, V 12 = 12V, V GNDVID = V EP = 0V, video load is 150
Ω to GNDVID, audio load is 10kΩ to EP, T
A = +25°C, unless
otherwise noted.)
LARGE-SIGNAL GAIN FLATNESS
vs. FREQUENCY
MAX9670 toc04
FREQUENCY (Hz)
GAIN (dB)
10M
-7
-6
-5
-4
-3
-2
-1
0
1
2
-8
1M 100M
NO FILTER
FILTER
VIDEO CROSSTALK
vs. FREQUENCY
MAX9670 toc05
FREQUENCY (Hz)
DELAY (ns)
10M 1M
-100
-80
-60
-40
-20
0
-120
100k 100M
V OUT = 100mV P-P
ALL HOSTILE
GROUP DELAY
vs. FREQUENCY
MAX9670 toc06
FREQUENCY (Hz)
DELAY (ns)
10M 1M
20
40
60
80
100
120
140
0
100k 100M
V OUT = 2V P-P
FILTER
NO FILTER
VIDEO POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX9670 toc07
FREQUENCY (Hz)
PSRR (dB)
10M 1M
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
-50
100k 100M
FILTER
NO FILTER
VIDEO VOLTAGE GAIN
vs. TEMPERATURE
MAX9670 toc08
INPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
50 25
1.97
1.98
1.99
2.00
2.01
2.02
2.03
2.04
1.96
0 75
VIDEO OUTPUT VOLTAGE
vs. INPUT VOLTAGE
MAX9670 toc09
INPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
1.2 0.8 0.4
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0
0 1.6
DIFFERENTIAL GAIN AND PHASE
MAX9670 toc10
DIFFERENTIAL PHASE (deg)
1 0 2 3 4 5
0.4
0.6
0.2
0
-0.2
-0.4
-0.6
DIFFERENTIAL GAIN (%)
0.2
0.3
0.1
0
-0.1
-0.2
-0.3
1 0 2 3 4 5
DIFFERENTIAL GAIN AND PHASE
MAX9670 toc11
DIFFERENTIAL PHASE (deg)
1 0 2 3 4 5
0.4
0.6
0.2
0
-0.2
-0.4
-0.6
DIFFERENTIAL GAIN (%)
0.2
0.3
0.1
0
-0.1
-0.2
-0.3
1 0 2 3 4 5 80ns/div
2T WITH FILTER
VIDEO INPUT
200mV/div
VIDEO OUTPUT
500mV/div
MAX9670 toc12