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ISL59831 датащи(PDF) 10 Page - Intersil Corporation

номер детали ISL59831
подробное описание детали  Single Supply Video Driver with Reconstruction Filter and Charge Pump
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производитель  INTERSIL [Intersil Corporation]
домашняя страница  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL59831 датащи(HTML) 10 Page - Intersil Corporation

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10
FN6266.0
March 29, 2007
GND will disable the amplifier. The amplifier will be enabled
when the signal at ENABLE pin is 2V above GND.
Output Drive Capability
The maximum output current for the ISL59831 is set at
±50mA. Maximum reliability is maintained if the output
current never exceeds ±50mA, after which the electro-
migration limit of the process will be exceeded and the part
will be damaged. This limit is set by the design of the internal
metal interconnections.
Power Dissipation
With the high output drive capability of the ISL59831, it is
possible to exceed the +150°C absolute maximum junction
temperature under certain load current conditions.
Therefore, it is important to calculate the maximum junction
temperature for an application to determine if load conditions
or package types need to be modified to assure operation of
the amplifier in a safe operating area.
The maximum power dissipation allowed in a package is
determined according to Equation 1:
Where:
TJMAX = Maximum junction temperature
TAMAX = Maximum ambient temperature
ΘJA = Thermal resistance of the package
The maximum power dissipation actually produced by an IC
is the total quiescent supply current times the total power
supply voltage, plus the power in the IC due to the load, or:
for sourcing:
for sinking:
Where:
VS = Supply voltage
ISMAX = Maximum quiescent supply current
VOUT = Maximum output voltage of the application
RLOAD = Load resistance tied to ground
ILOAD = Load current
i = Number of output channels
By setting the two PDMAX equations equal to each other, we
can solve the output current and RLOAD to avoid the device
overheat.
Power Supply Bypassing and Printed Circuit
Board Layout
Strip line design techniques are recommended for the input
and output signal traces. As with any high frequency device,
a good printed circuit board layout is necessary for optimum
performance. Lead lengths should be as short as possible.
The power supply pin must be well bypassed to reduce the
risk of oscillation. For normal single supply operation, a
single 4.7µF tantalum capacitor in parallel with a 0.1µF
ceramic capacitor from VCC and VCP to GND will suffice.
For good AC performance, parasitic capacitance should be
kept to a minimum. Use of wire-wound resistors should be
avoided because of their additional series inductance. Use
of sockets should also be avoided if possible. Sockets add
parasitic inductance and capacitance can result in
compromised performance. Minimizing parasitic capacitance
at the amplifier's inverting input pin is also very important.
PD
MAX
T
JMAX
T
AMAX
Θ
JA
---------------------------------------------
=
(EQ. 1)
PD
MAX
V
S
I
SMAX
V
S
V
OUTi
()
+
×
V
OUT i
R
Li
-----------------
×
=
(EQ. 2)
PD
MAX
V
S
I
SMAX
V
OUTiVS
()
+
×
I
LOAD i
×
=
(EQ. 3)
ISL59831


Аналогичный номер детали - ISL59831

производительномер деталидатащиподробное описание детали
logo
Renesas Technology Corp
ISL59831 RENESAS-ISL59831 Datasheet
979Kb / 12P
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Аналогичное описание - ISL59831

производительномер деталидатащиподробное описание детали
logo
Renesas Technology Corp
ISL59831 RENESAS-ISL59831 Datasheet
979Kb / 12P
   Single Supply Video Driver with Reconstruction Filter and Charge Pump
Mar 29, 2007
ISL59832 RENESAS-ISL59832 Datasheet
1Mb / 15P
   Dual Channel, Single Supply Video Reconstruction Filter with Charge Pump
logo
Intersil Corporation
ISL59832 INTERSIL-ISL59832 Datasheet
1Mb / 14P
   Dual Channel, Single Supply Video Reconstruction Filter with Charge Pump
logo
Renesas Technology Corp
ISL59834 RENESAS-ISL59834 Datasheet
1Mb / 17P
   Quad Channel, Single Supply, Video Reconstruction Filter with On-Board Charge Pump
logo
Intersil Corporation
ISL59834 INTERSIL-ISL59834 Datasheet
1Mb / 17P
   Quad Channel, Single Supply, Video Reconstruction Filter with On-Board Charge Pump
logo
Renesas Technology Corp
ISL59833 RENESAS-ISL59833 Datasheet
719Kb / 15P
   200MHz Single Supply Video Driver With Charge Pump
logo
Intersil Corporation
ISL59833 INTERSIL-ISL59833 Datasheet
339Kb / 15P
   200MHz Single Supply Video Driver With Charge Pump
ISL59833IAZ INTERSIL-ISL59833IAZ Datasheet
342Kb / 15P
   200MHz Single Supply Video Driver With Charge Pump
March 5, 2007
ISL59837IAZ INTERSIL-ISL59837IAZ Datasheet
341Kb / 14P
   200MHz Single Supply Video Driver With Charge Pump and Power Down
March 5, 2007
ISL59837 INTERSIL-ISL59837 Datasheet
338Kb / 14P
   200MHz Single Supply Video Driver With Charge Pump and Power Down
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