12
FN6394.1
December 22, 2006
Pin Description
ISL59483
(48 LD QFN)
PIN NAME
EQUIVALENT
CIRCUIT
DESCRIPTION
1
OUTC1
Circuit 3
Output of amplifier C1
2
OUTB1
Circuit 3
Output of amplifier B1
3, 23
V1-, V2-
Circuit 4A
Negative power supply #1 and #2
4
OUTA1
Circuit 3
Output of amplifier A1
5, 25
V1+, V2+
Circuit 4A
Positive Power Supply #1 and #2
6
EN1
Circuit 2
Device enable (active low) with internal pull-down resistor. A logic High puts device into power-down
mode leaving the logic circuitry active. This state is not recommended for logic control where more
than one MUX-amp share the same video output line.
26
EN2
7
HIZ1
Circuit 2
Output disable (active high) with internal pull-down resistor. A logic high puts the output in a high
impedance state. Use this state when more than one MUX-amp share the same video output line.
27
HIZ2
8
IN0C1
Circuit 1
Channel 0 input for amplifier C1
9
IN0B1
Circuit 1
Channel 0 input for amplifier B1
10
IN0A1
Circuit 1
Channel 0 input for amplifier A1
11
GND
Circuit 4A
Ground pin for amplifier A1
12
IN1A1
Circuit 1
Channel 1 input for amplifier A1
13
IN2B2
Circuit 1
Channel 2 input for amplifier B2
14
IN2C2
Circuit 1
Channel 2 input for amplifier C2
15
GND
Circuit 4B
Ground pin for amplifier C2
16
IN3A2
Circuit 1
Channel 3 input for amplifier A2
17
IN3B2
Circuit 1
Channel 3 input for amplifier B2
18
IN3C2
Circuit 1
Channel 3 input for amplifier C2
19, 47
S1-2, S1-1
Circuit 2
Channel select pin MSB (binary logic code) for amplifiers A2, B2, C2 (S1-2) and A1, B1, C1 (S1-1)
20, 48
S0-2, S0-1
Circuit 2
Channel select pin LSB (binary logic code) for amplifiers A2, B2, C2 (S0-2) and A1, B1, C1 (S0-1)
21
OUTC2
Circuit 2
Output of amplifier C2
22
OUTB2
Circuit 1
Output of amplifier B2
24
OUTA2
Circuit 1
Output of amplifier A2
28
IN0C2
Circuit 1
Channel 0 input for amplifier A2
29
IN0B2
Circuit 1
Channel 0 input for amplifier B2
30
IN0A2
Circuit 1
Channel 0 input for amplifier C2
31
GND
Circuit 4B
Ground pin for amplifier A2
32
IN1A2
Circuit 1
Channel 1 input for amplifier A2
33
IN1B2
Circuit 1
Channel 1 input for amplifier B2
34
IN1C2
Circuit 1
Channel 1 input for amplifier C2
35
GND
Circuit 4B
Ground pin for amplifier B2
36
IN2A2
Circuit 1
Channel 2 input for amplifier A2
37
IN1B1
Circuit 1
Channel 1 input for amplifier B1
38
IN1C1
Circuit 1
Channel 1 input for amplifier C1
39
GND
Circuit 4A
Ground pin for amplifier B1
40
IN2A1
Circuit 1
Channel 2 input for amplifier A1
41
IN2B1
Circuit 1
Channel 2 input for amplifier B1
42
IN2C1
Circuit 1
Channel 2 input for amplifier C1
43
GND
Circuit 4A
Ground pin for amplifier C1
44
IN3A1
Circuit 1
Channel 3 input for amplifier A1
45
IN3B1
Circuit 1
Channel 3 input for amplifier B1
46
IN3C1
Circuit 1
Channel 3 input for amplifier C1
ISL59483