el4501 Intersil Corporation, el4501 Datasheet - Page 12

• Manufacturer Part Number: el4501
• Description: Video Front End
• Manufacturer: Intersil Corporation

Pin Descriptions
NUMBER
PIN
1
2
3
4
5
6
7
DS ENABLE
PIN NAME
DS MODE
VIDEO IN
RFREQ
GNDD
GND
VFB
PIN TYPE
12
Input
Input
Input
Input
Input
Input
Input
Connection for gain and feedback resistors, R
R
Input to DC-restore amplifier; input coupling capacitor
connects from here to video source
Sets the mode of the DS comparator; logic low selects
a standard logic output; logic high selects an open
drain/collector
Enables the output of the comparator; a logic high
enables the comparator; a logic low three-states it
Analog ground
Digital ground
Connection for bias resistor that sets the overall timing
G
PIN DESCRIPTION
EL4501
F
and
GND
V
EQUIVALENT CIRCUIT
GND
S
V
GND
GND
S
V
V
S
S
GND
V
S
CIRCUIT 1
CIRCUIT 2
CIRCUIT 3
CIRCUIT 4
CIRCUIT 5