EL4102C - Preliminary
EL4102C - Preliminary
500MHz Video Front End: 4-1 MUX, VGA & DC-Restore
Pin Descriptions
Pin Number
1
2
3
4
5
6
7
8
0
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Pin Name
HOLD
GNDL2
IN0
V
S1
+
IN1
GNDI
IN2
V
S
-
IN3
ENB
SDI
SCLK
SDO
P
DWN
GNDL
M
FDBK
M
OUT
V
S
-
V
S2
+
V
OUT
V
FDBK
DC
FDBK
DC
REF
CAP
Pin Type
Logic Input
Logic Ground
High Frequency Signal
Power
High Frequency Signal
Analog Signal
High Frequency Signal
Power
High Frequency Signal
Logic Input
Logic Input
Logic Input
Logic Output
Logic Input
Logic Ground
High Frequency Signal
High Frequency Signal
Power
Power
High Frequency Signal
High Frequency Signal
Analog Signal
Analog Signal
Analog Signal
Hold pulse for DC-restore function
Logic ground for “hold” buffer
Video input #0
Positive power pin for quiet supply currents
Video input #1
Intermediate reference for attenuation function
Video input #2
Negative power pin
Video input #3
Enable (negative true) input for loading serial data stream
Serial input data stream
Serial data stream clock
Serial output data stream for connection to cascaded chip
Power down input to put chip in low current standby mode
Logic ground for logic buffers
Monitor amplifier feedback
Monitor amplifier output
Negative power pin
Positive power pin for heavy, pulsatile supply currents
Video amplifier output
Video amplifier feedback
Input to sample circuit
Reference DC voltage representing black level
Sample storage capacitor for DC-restore circuit
Pin Description
6
ELANTEC [ ELANTEC SEMICONDUCTOR ]
