MAX4029 Maxim, MAX4029 Datasheet - Page 6

• Manufacturer Part Number: MAX4029
• Description: The MAX4028/MAX4029 are 5V, triple/quad, 2:1 voltage-feedback multiplexer-amplifiers with input clamps and a fixed gain of +2V/V (6dB)
• Manufacturer: Maxim

Triple/Quad, 2:1 Video
Multiplexer-Amplifiers with Input Clamps
6
(V
noted.)
MAX4028
CC
_______________________________________________________________________________________
= +5V, GND = 0V, V
10
11
12
13
14
—
—
—
1
2
3
4
5
6
7
8
9
PIN
0.43
0.42
0.41
0.40
0.39
0.38
0.37
MAX4029
-50
10
11
12
13
14
15
16
17
1
2
3
4
5
6
7
8
9
-25
DISABLE
vs. TEMPERATURE
CLAMP VOLTAGE
TEMPERATURE (°C)
0
CLAMP/KEY_3
CLAMP/KEY_2
KEYREF
NAME
25
OUT4
OUT3
OUT2
IN4A
IN3A
IN2A
IN1A
IN1B
IN2B
IN3B
IN4B
GND
= +5V, R
V
A/B
CC
50
L
75
= 150Ω to GND, C
Amplifier Input 4A
Amplifier Input 3A
Amplifier Input 2A
Amplifier Input 1A
Channel-Select Input. Drive A/B high or leave floating to select channel A.
Drive A/B low to select channel B.
Key-Clamp Reference Output. Connect an external resistor from KEYREF to GND to
generate the key-clamp voltage.
Amplifier Input 1B
Amplifier Input 2B
Amplifier Input 3B
Amplifier Input 4B
Amplifier Output 4
Output 3 Clamp or Key-Clamp Input. Drive CLAMP/KEY_3 high to clamp OUT3.
Drive CLAMP/KEY_3 low to key clamp OUT3.
Ground
Amplifier Output 3
Output 2 Clamp or Key-Clamp Input. Drive CLAMP/KEY_2 high to clamp OUT2.
Drive CLAMP/KEY_2 low to key clamp OUT2.
Amplifier Output 2
Power-Supply Voltage. Bypass V
close to the pin as possible.
Typical Operating Characteristics (continued)
100
IN
= 0.1µF, R
KEYREF
CC
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
to GND with 0.1µF and 0.01µF capacitors as
0
FUNCTION
= 6.04kΩ ±1%, T
1
KEY-CLAMP REFERENCE VOLTAGE
3
5
vs. R
R
KEYREF
A
KEYREF
7
= +25°C, unless otherwise
(kΩ)
Pin Description
9
11
13