EL4101C - Preliminary
EL4101C - Preliminary
500MHz Video Front End - 4:1MUX + DC-Restore
Pin Descriptions
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
PDWN
GNDL
MFDBK
MOUT
VS2-
VS2+
VOUT
VFDBK
DCFDBK
DCREF
CAP
Logic Input
Logic Ground
High Frequency Signal
High Frequency Signal
Power
Power
High Frequency Signal
High Frequency Signal
Analog Signal
Analog Signal
Analog Signal
D0
D1
Logic Input
Logic Input
Pin Name
HOLD
GNDL2
IN0
VS1+
IN1
GNDI
IN2
VS1-
IN3
Pin Type
Logic Input
Logic Ground
High Frequency Signal
Power
High Frequency Signal
Analog Signal
High Frequency Signal
Power
High Frequency 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
Reference voltage for attenuation function
Video input #2
Negative power pin for quiet supply currents
Video input #3
No connection
Parallel control bit #0
Parallel control bit #1
No connection
Power down input to put chip in low current standby mode
Logic ground for D0, D1, PWDN buffers
Monitor amplifier feedback
Monitor amplifier output
Negative power pin for heavy, pulsatile supply currents
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
4
ELANTEC [ ELANTEC SEMICONDUCTOR ]
