EL4101C Elantec Semiconductor, Inc. (acquired by Intersil), EL4101C Datasheet - Page 4

• Manufacturer Part Number: EL4101C
• Description: Video Front End
• Manufacturer: Elantec Semiconductor, Inc. (acquired by Intersil)

EL4101C - Preliminary
500MHz Video Front End - 4:1MUX + 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
9
Pin Name
DCFDBK
MFDBK
VFDBK
GNDL2
DCREF
PDWN
MOUT
HOLD
GNDL
VOUT
GNDI
VS1+
VS2+
VS1-
VS2-
CAP
IN0
IN1
IN2
IN3
D0
D1
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 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
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
4
Pin Description