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PDF EL5211T Data sheet ( Hoja de datos )

Número de pieza EL5211T
Descripción 60MHz Rail-to-Rail Input-Output Operational Amplifier
Fabricantes Intersil 
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60MHz Rail-to-Rail Input-Output Operational Amplifier
EL5211T
The EL5211T is a high voltage rail-to-rail input-output
amplifier with low power consumption. The EL5211T
contains two amplifiers. Each amplifier exhibits beyond
the rail input capability, rail-to-rail output capability and
is unity gain stable.
The maximum operating voltage range is from 4.5V to
19V. It can be configured for single or dual supply
operation, and typically consumes only 3mA per
amplifier. The EL5211T has an output short circuit
capability of ±300mA and a continuous output current
capability of ±65mA.
The EL5211T features a high slew rate of 100V/µs, and
fast settling time. Also, the device provides common
mode input capability beyond the supply rails, rail-to-rail
output capability, and a bandwidth of 60MHz (-3dB). This
enables the amplifiers to offer maximum dynamic range
at any supply voltage. These features make the EL5211T
an ideal amplifier solution for use in TFT-LCD panels as a
VCOM driver or static gamma buffer, and in high speed
filtering and signal conditioning applications. Other
applications include battery power and portable devices,
especially where low power consumption is important.
The EL5211T is available in a thermally enhanced 8 Ld
HMSOP package, and a thermally enhanced 8 Ld DFN
package. Both feature a standard operational amplifier
pinout. The device operates over an ambient
temperature range of -40°C to +85°C.
Features
• 60MHz (-3dB) Bandwidth
• 4.5V to 19V Maximum Supply Voltage Range
• 100V/µs Slew Rate
• 3mA Supply Current (per Amplifier)
• ±65mA Continuous Output Current
• ±300mA Output Short Circuit Current
• Unity-gain Stable
• Beyond the Rails Input Capability
• Rail-to-rail Output Swing
• Built-in Thermal Protection
• -40°C to +85°C Ambient Temperature Range
• Pb-Free (RoHS Compliant)
Applications*(see page 13)
• TFT-LCD Panels
• VCOM Amplifiers
• Static Gamma Buffers
• Drivers for A/D Converters
• Data Acquisition
• Video Processing
• Audio Processing
• Active Filters
• Test Equipment
• Battery-powered Applications
• Portable Equipment
+15V
VOUTA
VINA-
0
VINA+
VS-
EL5211T
VS+
0.1µF
VOUTB
+15V
+
4.7µF
PANEL
CAPACITANCE
VINB-
0
VINB+
PANEL
CAPACITANCE
TFT-LCD
PANEL
FIGURE 1. TYPICAL TFT-LCD VCOM APPLICATION
10
8
VS = ±5V
AV = 1
6 CL = 1.5pF
RL || 1kΩ (PROBE)
4
2 1kΩ
0
-2
-4 560Ω
-6 150Ω
-8
-10
100k
1M 10M
FREQUENCY (Hz)
100M
FIGURE 2. FREQUENCY RESPONSE FOR VARIOUS RL
May 12, 2010
FN6893.0
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. 2010. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

1 page




EL5211T pdf
EL5211T
Electrical Specifications VS+ = +18V, VS- = 0V, RL = 1kto 9V, TA = +25°C, Unless Otherwise Specified.
PARAMETER
DESCRIPTION
CONDITION
MIN TYP MAX UNIT
INPUT CHARACTERISTICS
VOS
TCVOS
Input Offset Voltage
VCM = 9V
Average Offset Voltage Drift (Note 6) 8 Ld HMSOP package
8 Ld DFN package
7 18 mV
14 µV/°C
11 µV/°C
IB
RIN
CIN
CMIR
Input Bias Current
Input Impedance
Input Capacitance
Common-Mode Input Range
VCM = 9V
-0.5
2 60 nA
1 G
2 pF
+18.5 V
CMRR
Common-Mode Rejection Ratio
AVOL
Open-Loop Gain
OUTPUT CHARACTERISTICS
For VIN from -0.5V to 18.5V
0.5V VOUTx 17.5V
53 75
62 104
dB
dB
VOL
VOH
ISC
Output Swing Low
Output Swing High
Short-circuit Current
IOUT
Output Current
POWER SUPPLY PERFORMANCE
IL = -6mA
IL = +6mA
VCM = 9V, Source: VOUTx short to VS-,
Sink: VOUTx short to VS+
80 150
17.85 17.92
±300
±65
mV
V
mA
mA
(VS+) - (VS-) Supply Voltage Range
IS Supply Current
PSRR
Power Supply Rejection Ratio
VCM = 9V, No load
Supply is moved from 4.5V to 19V
4.5 19 V
6.0 7.5 mA
60 75
dB
DYNAMIC PERFORMANCE
SR
tS
BW
GBWP
PM
CS
Slew Rate (Note 7)
Settling to +0.1% (Note 8)
-3dB Bandwidth
Gain-Bandwidth Product
Phase Margin
Channel Separation
1V VOUTx 17V, 20% to 80%
AV = +1, VOUTx = 2V step,
RL = 1k1k(probe), CL = 1.5pF
RL = 1kCL = 1.5pF
AV = -10, RF = 1kRG = 100
RL = 1k1k(probe), CL = 1.5pF
AV = -10, RF = 1kRG = 100
RL = 1k1k(probe), CL = 1.5pF
f = 5MHz
100 V/µs
100 ns
60 MHz
32 MHz
50 °
90 dB
NOTES:
6. Measured over -40°C to +85°C ambient operating temperature range. See the typical TCVOS production distribution shown in
the “Typical Performance Curves” on page 6.
7. Typical slew rate is an average of the slew rates measured on the rising (20% to 80%) and the falling (80% to 20%) edges
of the output signal.
8. Settling time measured as the time from when the output level crosses the final value on rising/falling edge to when the output
level settles within a ±0.1% error band. The range of the error band is determined by: Final Value(V)±[Full Scale(V)*0.1%].
5 FN6893.0
May 12, 2010

5 Page





EL5211T arduino
EL5211T
Applications Information
Product Description
The EL5211T is a high voltage rail-to-rail input-output
amplifier with low power consumption. The EL5211T
contains four amplifiers. Each amplifier exhibits beyond
the rail input capability, rail-to-rail output capability and
is unity gain stable.
The EL5211T features a high slew rate of 100V/µs, and
fast settling time. Also, the device provides common
mode input capability beyond the supply rails, rail-to-rail
output capability, and a bandwidth of 60MHz (-3dB). This
enables the amplifiers to offer maximum dynamic range
at any supply voltage.
Operating Voltage, Input and Output
Capability
The EL5211T can operate on a single supply or dual
supply configuration. The EL5211T operating voltage
ranges from a minimum of 4.5V to a maximum of 19V.
This range allows for a standard 5V (or ±2.5V) supply
voltage to dip to -10%, or a standard 18V (or ±9V) to
rise by +5.5% without affecting performance or
reliability.
The input common-mode voltage range of the EL5211T
extends 500mV beyond the supply rails. Also, the
EL5211T is immune to phase reversal. However, if the
common mode input voltage exceeds the supply voltage
by more than 0.5V, electrostatic protection diodes in the
input stage of the device begin to conduct. Even though
phase reversal will not occur, to maintain optimal
reliability it is suggested to avoid input overvoltage
conditions. Figure 32 shows the input voltage driven
500mV beyond the supply rails and the device output
swinging between the supply rails.
The EL5211T output typically swings to within 50mV 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 33
shows the input and output waveforms for the device in a
unity-gain configuration. Operation is from ±5V supply
with a 1kload connected to GND. The input is a 10VP-P
sinusoid and the output voltage is approximately 9.9VP-P.
Refer to the “Electrical Specifications” Table beginning on
page 3 for specific device parameters. Parameter
variations with operating voltage, loading and/or
temperature are shown in the “Typical Performance
Curves” on page 6.
Output Current
The EL5211T is capable of output short circuit currents of
300mA (source and sink), and the device has built-in
protection circuitry which limits the output current to
±300mA (typical).
VS = ±2.5V, TA = +25°C, AV = 1, VINx = 6VP-P, RL = 1kΩ to GND
OUTPUT
INPUT
10µs/DIV
FIGURE 32. OPERATION WITH BEYOND-THE-RAILS
INPUT
VS = ±5V, TA = +25°C, AV = 1, VINx = 10VP-P, RL = 1kΩ to GND
10µs/DIV
FIGURE 33. OPERATION WITH RAIL-TO-RAIL INPUT
AND OUTPUT
To maintain maximum reliability, the continuous output
current should never exceed ±65mA. This ±65mA limit is
determined by the characteristics of the internal metal
interconnects. Also, see “Power Dissipation” on page 12
for detailed information on ensuring proper device
operation and reliability for temperature and load
conditions.
Unused Amplifiers
It is recommended that any unused amplifiers be
configured as a unity gain follower. The inverting input
should be directly connected to the output and the
non-inverting input tied to the ground.
Thermal Shutdown
The EL5211T has a built-in thermal protection which
ensures safe operation and prevents internal damage to
the device due to overheating. When the die temperature
reaches +165°C (typical), the device automatically shuts
OFF the outputs by putting them in a high impedance
state. When the die cools by +15°C (typical), the device
automatically turns ON the outputs by putting them in a
low impedance (normal) operating state.
11 FN6893.0
May 12, 2010

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