MAX7432AEUD 查看數據表（PDF） - Maxim Integrated
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MAX7432AEUD Datasheet PDF : 21 Pages
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Standard Definition Video Reconstruction
Filters and Buffers
Typical Operating Characteristics (continued)
(VCC = +5V, RREXT = 300kΩ; BOOST0_, BOOST1_ = 0, 0; VIN = 1Vp-p, TA = +25°C, unless otherwise noted.)
OUTPUT IMPEDANCE vs. FREQUENCY
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0.1
1
10
FREQUENCY (MHz)
OUT_
500mV/div
OUTPUT TRANSIENT DUE TO
INPUT MUX SWITCHING
200ns/div
PASSBAND CHANNEL-TO-CHANNEL
CROSSTALK vs. FREQUENCY
-70
-75
-80
-85
-90
-95
0.1
BOOST = CODE 00
1
10
FREQUENCY (MHz)
MAX7432A
1
PIN
MAX7430
1
MAX7428
—
2
2
—
3
—
—
4, 10
8
4
5
4
—
6
5
—
7
—
—
8
6
6
9
—
—
11
7
—
12
3
7
Pin Description
NAME
IN1A
IN2A
IN3A
GND
IN1B
IN2B
IN3B
DATA
OUT3
OUT2
REXT
FUNCTION
Video Input 1A. Master channel, sync signal required. Use a 0.1µF
series input capacitor for proper operation.
Video Input 2A. Slave channel, clamping controlled by master channel
sync. Use a 0.1µF series input capacitor for proper operation.
Video Input 3A. Slave channel, clamping controlled by master channel
sync. Use a 0.1µF series input capacitor for proper operation.
Ground
Video Input 1B. Master channel, sync signal required. Use a 0.1µF
series input capacitor for proper operation.
Video Input 2B. Slave channel, clamping controlled by master channel
sync. Use a 0.1µF series input capacitor for proper operation.
Video Input 3B. Slave channel, clamping controlled by master channel
sync. Use a 0.1µF series input capacitor for proper operation.
Serial Data Interface
Buffer Output 3
Buffer Output 2
External Resistor. Connect a 300kΩ resistor from REXT to GND for
internal biasing. Connect a 1nF to 1µF capacitor from REXT to GND for
chip-address programming (see Table 3).
_______________________________________________________________________________________ 5
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