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PDF EL4094C Data sheet ( Hoja de datos )

Número de pieza EL4094C
Descripción Video Gain Control/Fader
Fabricantes Elantec Semiconductor 
Logotipo Elantec Semiconductor Logotipo



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EL4094C
Video Gain Control Fader
Features
 Complete video fader
 0 02% 0 04 differential gain
phase 100% gain
 Output amplifier included
 Calibrated linear gain control
 g5V to g15V operation
 60 MHz bandwidth
 Low thermal errors
Applications
 Video faders wipers
 Gain control
 Video text insertion
 Level adjust
 Modulation
Ordering Information
Part No Temp Range Package Outline
EL4094CN b40 C to a85 C 8-Pin P-DIP MDP0031
EL4094CS b40 C to a85 C 8-Pin SO MDP0027
General Description
The EL4094C is a complete two-input fader It combines two
inputs according to the equation
VOUT e VINA (0 5V a Vg) a VINB (0 5V b Vg)
where VGAIN is the difference between VGAIN and VGAIN pin
voltages and ranges from b0 5V to a0 5V It has a wide 60
MHz bandwidth at b3 dB and is designed for excellent video
distortion performance The EL4094C is the same circuit as the
EL4095 but with feedback resistors included on-chip to imple-
ment unity-gain connection An output buffer is included in
both circuits
The gain-control input is also very fast with a 20 MHz small-
signal bandwidth and 70 ns recovery time from overdrive
The EL4094C is compatible with power supplies from g5V to
g15V and is available in both the 8-pin plastic DIP and SO-8
Connection Diagram
4094 – 1
Manufactured under U S Patent No 5 321 371 5 374 898
Note All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication however this data sheet cannot be a ‘‘controlled document’’ Current revisions if any to these
specifications are maintained at the factory and are available upon your request We recommend checking the revision level before finalization of your design documentation
1993 Elantec Inc

1 page




EL4094C pdf
Typical Performance Curves
Change in 100% Gain Error
Supply Current Slewrate and
Bandwidth over Temperature
Contd
EL4094C
Video Gain Control Fader
Nonlinearity vs VIN for
Gain e 100% 75% 50% and 25%
Differential Gain Error vs
Voffset for Gain e 100%
75% 50% and 25% F e 3 58 MHz
Differential Phase Error vs
Voffset for Gain e 100%
75% 50% and 25% F e 3 58 MHz
Differential Gain Error vs
Voffset for Gain e 100%
75% 50% and 25% F e 3 58 MHz
Differential Phase Error vs
Voffset for Gain e 100%
75% 50% and 25% F e 3 58 MHz
4094 – 5
5

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EL4094C arduino
EL4094C
Video Gain Control Fader
EL4094C Macromodel
This macromodel is offered to allow simulation of
general EL4094 behavior We have included
these characteristics
Small-signal frequency response
Output loading effects
Input impedance
Off-channel feedthrough
Output impedance over frequency
ROL 810 0 290k
Ccomp 810 0 3 5p
G1 10 0 810 0 b10
ROUT 10 0 0 1
LOUT 10 4 350 200n
RLOUT 10 4 80
r1 10 910 10
c1 910 911 300p
r2 911 0 90
Input channel A
Signal path DC distortions
VGAIN I-V characteristics
VGAIN overdrive recovery delay
100% gain error
These will give a good range of results for various
operating conditions but the macromodel does
not behave identically as the circuit in these ar-
eas
Temperature effects
Signal overload effects
Signal and VG operating range
Current-limit
Video and high-frequency distortions
Supply voltage effects
Slewrate limitations
Noise
Power supply interactions
The macromodel’s netlist is based on the Pspice
simulator (copywritten by the Microsim Compa-
ny) Other simulators may not support the
POLY function which is used to implement mul-
tiplication as well as square-low nonlinearities
subckt EL4094subckt
VINB
l
l
l
l
l
(1
VOUT
l
l
l
l
4
VG
l VG
ll
ll
67
VINA
l
8)
RINA 22 910 16k
ra 11 0 1k
Cfeedthrougha 23 8 130p
Rfeedthrougha 8 22 1 0
Ela 23 22 1 0 1 0
Rspice3 23 22 1E12
G1a 11 0 POLY(1) (22 910) 0 0 0 001 b3Eb6
G2a 810 0 POLY(2) (11 0) (13 0) 0 0 0 0 0 0 0 0 0 001
Input channel B
RINB 25 910 16k
rb 20 0 1k
Cfeedthroughb 24 1 130p
Rfeedthroughb 1 25 1 0
E1b 24 25 8 0 1 0
Rspice4 24 25 1E12
G1b 20 0 POLY(1) (25 910) 0 0 0 001 b3Eb6
G2b 810 0 POLY(2) (20 0) (19 0) 0 0 0 0 0 0 0 0 0 001
Gain control
Rspice1 13 0 1E12
Rspice2 18 0 1E12
R10 14 0 1E7
C10 14 0 8Eb16
D1 14 15 Dclamp
D2 16 14 Dclamp
model Dclamp D (TTe200n)
V1 15 0 4999 3
V2 0 16 4999 3
V3 13 17 0 5
V4 19 18 0 5
G10 14 0 7 6 b0 001
G11 7 6 14 0 b2Eb8
E10 17 0 14 0 1Eb4
E11 18 0 14 0 b1Eb4
ends
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