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PDF EL5811 Data sheet ( Hoja de datos )
| Número de pieza | EL5811 | |
| Descripción | (EL5611 / EL5811) 60MHz Rail-to-Rail Input-Output VCOM Amplifiers | |
| Fabricantes | Intersil Corporation | |
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Data Sheet
EL5611, EL5811
August 3, 2005
FN7355.1
60MHz Rail-to-Rail Input-Output VCOM
Amplifiers
The EL5611 and EL5811 are low power, high voltage rail-to-
rail input-output amplifiers targeted primarily at VCOM
applications in TFT-LCD displays. The EL5611 contains six
amplifiers, and the EL5811 contains eight amplifiers.
Operating on supplies ranging from 5V to 15V, while
consuming only 2.5mA per amplifier, the EL5611 and
EL5811 have a bandwidth of 60MHz (-3dB). They also
provide common mode input ability beyond the supply rails,
as well as rail-to-rail output capability. This enables these
amplifiers to offer maximum dynamic range at any supply
voltage.
The EL5611 and EL5811 also feature fast slewing and
settling times, as well as a high output drive capability of
65mA (sink and source). In addition to VCOM applications,
these features make these amplifiers ideal for high speed
filtering and signal conditioning application. Other
applications include battery power, portable devices, and
anywhere low power consumption is important.
The EL5611 is available in 8-pin MSOP and 8-pin HMSOP
packages. The EL5811 is available in space-saving 28-pin
HTSSOPwww.DataSheet4U.com packages.These amplifiers operate over a
temperature range of -40°C to +85°C.
Ordering Information
PART NUMBER
EL5611IRE
EL5611IRE-T7
EL5611IRE-T13
EL5811IREZ
(See Note)
EL5811IREZ-T7
(See Note)
EL5811IREZ-T13
(See Note)
EL5811IREZ
(See Note)
EL5811IREZ-T7
(See Note)
PACKAGE
24-Pin HTSSOP
24-Pin HTSSOP
24-Pin HTSSOP
28-Pin HTSSOP
(Pb-free)
28-Pin HTSSOP
(Pb-free)
28-Pin HTSSOP
(Pb-free)
28-Pin HTSSOP
(Pb-Free)
28-Pin HTSSOP
(Pb-Free)
TAPE &
REEL
-
7”
13”
-
7”
13”
-
7”
PKG. DWG. #
MDP0048
MDP0048
MDP0048
MDP0048
MDP0048
MDP0048
MDP0048
MDP0048
Features
• 60MHz -3dB bandwidth
• Supply voltage = 4.5V to 16.5V
• Low supply current (per amplifier) = 2.5mA
• High slew rate = 75V/µs
• Unity-gain stable
• Beyond the rails input capability
• Rail-to-rail output swing
• ±180mA output short current
• Pb-Free plus anneal available (RoHS compliant)
Applications
• TFT-LCD panels
• VCOM amplifiers
• Drivers for A-to-D converters
• Data acquisition
• Video processing
• Audio processing
• Active filters
• Test equipment
• Battery-powered applications
• Portable equipment
Ordering Information (Continued)
PART NUMBER
PACKAGE
TAPE &
REEL PKG. DWG. #
EL5811IREZ-T13 28-Pin HTSSOP
(See Note)
(Pb-Free)
13”
MDP0048
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100%
matte tin plate termination finish, which are RoHS compliant and
compatible with both SnPb and Pb-free soldering operations. Intersil
Pb-free products are MSL classified at Pb-free peak reflow
temperatures that meet or exceed the Pb-free requirements of
IPC/JEDEC J STD-020.
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2004, 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
1 page  
EL5611, EL5811
Electrical Specifications VS+ = +15V, VS- = 0V, RL = 1kΩ to 7.5V, TA = 25°C, Unless Otherwise Specified
PARAMETER
DESCRIPTION
CONDITION
MIN TYP
INPUT CHARACTERISTICS
VOS
TCVOS
IB
RIN
CIN
CMIR
Input Offset Voltage
Average Offset Voltage Drift (Note 7)
Input Bias Current
Input Impedance
Input Capacitance
Common-Mode Input Range
VCM = 7.5V
VCM = 7.5V
3
7
2
1
2
-0.5
CMRR
Common-Mode Rejection Ratio
AVOL
Open-Loop Gain
OUTPUT CHARACTERISTICS
for VIN from -0.5V to 15.5V
0.5V ≤ VOUT ≤ 14.5V
53 72
62 70
VOL Output Swing Low
VOH
Output Swing High
ISC Short-circuit Current
IOUT
Output Current
POWER SUPPLY PERFORMANCE
IL = -5mA
IL = 5mA
14.85
80
14.92
±180
±65
PSRR
Power Supply Rejection Ratio
IS Supply Current (Per Amplifier)
DYNAMIC PERFORMANCE
VS is moved from 4.5V to 15.5V
No load
60 80
2.5
SR Slew Rate (Note 8)
tS Settling to +0.1% (AV = +1)
BW -3dB Bandwidth
1V ≤ VOUT ≤ 14V, 20% to 80%
(AV = +1), VO = 2V step
75
80
60
GBWP
Gain-Bandwidth Product
32
PM Phase Margin
50
CS Channel Separation
f = 5MHz
110
dG Differential Gain (Note 9)
dP Differential Phase (Note 9)
RF = RG = 1kΩ and VOUT = 1.4V
RF = RG = 1kΩ and VOUT = 1.4V
0.16
0.22
NOTES:
7. Measured over operating temperature range
8. Slew rate is measured on rising and falling edges
9. NTSC signal generator used
MAX
15
60
+15.5
150
3.75
UNIT
mV
µV/°C
nA
GΩ
pF
V
dB
dB
mV
V
mA
mA
dB
mA
V/µs
ns
MHz
MHz
°
dB
%
°
5 FN7355.1
August 3, 2005
5 Page 
EL5611, EL5811
Applications Information
Product Description
The EL5611 and EL5811 voltage feedback amplifiers are
fabricated using a high voltage CMOS process. They exhibit
rail-to-rail input and output capability, are unity gain stable
and have low power consumption (2.5mA per amplifier).
These features make the EL5611, and EL5811 ideal for a
wide range of general-purpose applications. Connected in
voltage follower mode and driving a load of 1kΩ, the EL5611
and EL5811 have a -3dB bandwidth of 60MHz while
maintaining a 75V/µs slew rate. The EL5611 a six channel
amplifier, and the EL5811 an 8 channel amplifier.
Operating Voltage, Input, and Output
The EL5611and EL5811 are specified with a single nominal
supply voltage from 5V to 15V or a split supply with its total
range from 5V to 15V. Correct operation is guaranteed for a
supply range of 4.5V to 16.5V. Most EL5611 and EL5811
specifications are stable over both the full supply range and
operating temperatures of -40°C to +85°C. Parameter
variations with operating voltage and/or temperature are
shown in the typical performance curves.
The input common-mode voltage range of the EL5611 and
EL5811 extends 500mV beyond the supply rails. The output
swings of the EL5611 and EL5811 typically extend to within
100mV of positive and negative supply rails with load
currents of 5mA. Decreasing load currents will extend the
output voltage range even closer to the supply rails. Figure
27 shows the input and output waveforms for the device in
the unity-gain configuration. Operation is from ±5V supply
with a 1kΩ load connected to GND. The input is a 10VP-P
sinusoid. The output voltage is approximately 9.8VP-P.
VS = ±5V, TA = 25°C, AV = 1, VIN = 10VP-P
5V 10µs
5V
FIGURE 27. OPERATION WITH RAIL-TO-RAIL INPUT AND
OUTPUT
Short Circuit Current Limit
The EL5611 and EL5811 will limit the short circuit current to
±180mA if the output is directly shorted to the positive or the
negative supply. If an output is shorted indefinitely, the power
dissipation could easily increase such that the device may
be damaged. Maximum reliability is maintained if the output
continuous current never exceeds ±65mA. This limit is set by
the design of the internal metal interconnects.
Output Phase Reversal
The EL5611 and EL5811 are immune to phase reversal as
long as the input voltage is limited from VS- -0.5V to VS+
+0.5V. Figure 28 shows a photo of the output of the device
with the input voltage driven beyond the supply rails.
Although the device's output will not change phase, the
input's overvoltage should be avoided. If an input voltage
exceeds supply voltage by more than 0.6V, electrostatic
protection diodes placed in the input stage of the device
begin to conduct and overvoltage damage could occur.
VS = ±2.5V, TA = 25°C, AV = 1, VIN = 6VP-P
1V 10µs
1V
FIGURE 28. OPERATION WITH BEYOND-THE-RAILS INPUT
Power Dissipation
With the high-output drive capability of the EL5611 and
EL5811 amplifiers, it is possible to exceed the 125°C
'absolute-maximum junction temperature' under certain load
current conditions. Therefore, it is important to calculate the
maximum junction temperature for the application to
determine if load conditions need to be modified for the
amplifier to remain in the safe operating area.
The maximum power dissipation allowed in a package is
determined according to:
PDMAX
=
T----J---M-----A----X-----–-----T----A---M-----A----X--
ΘJA
where:
• TJMAX = Maximum junction temperature
• TAMAX = Maximum ambient temperature
• ΘJA = Thermal resistance of the package
• PDMAX = Maximum power dissipation in 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 loads, or:
PDMAX = Σi[VS × ISMAX + (VS+ – VOUTi ) × ILOADi ]
11 FN7355.1
August 3, 2005
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet EL5811.PDF ] | |
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