EL4102CU Elantec Semiconductor, Inc. (acquired by Intersil), EL4102CU Datasheet - Page 6

• Manufacturer Part Number: EL4102CU
• Description: Video Front End
• Manufacturer: Elantec Semiconductor, Inc. (acquired by Intersil)

EL4102C - Preliminary
500MHz Video Front End: 4-1 MUX, VGA & DC-Restore
Pin Descriptions
Pin Number
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
0
Pin Name
DC
GNDL2
M
HOLD
GNDL
V
DC
SCLK
GNDI
P
M
V
V
V
ENB
SDO
CAP
IN0
IN1
IN2
IN3
SDI
V
V
FDBK
DWN
FDBK
OUT
OUT
FDBK
S1
S2
S
S
REF
-
-
+
+
High Frequency Signal
High Frequency Signal
High Frequency Signal
High Frequency Signal
High Frequency Signal
High Frequency Signal
High Frequency Signal
High Frequency Signal
Analog Signal
Analog Signal
Analog Signal
Analog Signal
Logic Ground
Logic Ground
Logic Output
Logic Input
Logic Input
Logic Input
Logic Input
Logic Input
Pin Type
Power
Power
Power
Power
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
6
Pin Description