Document
DATASHEET
EL5220T
12MHz Rail-to-Rail Input-Output Operational Amplifier
FN6892 Rev 0.00 May 4, 2010
The EL5220T is a high voltage rail-to-rail input-output amplifier with low power consumption. The EL5220T 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 550µA per amplifier. The EL5220T has an output short circuit capability of ±200mA and a continuous output current capability of ±65mA.
The EL5220T features a slew rate of 12V/µs. Also, the device provides common mode input capability beyond the supply rails, rail-to-rail output capability, and a bandwidth of 12MHz (-3dB). This enables the amplifiers to offer maximum dynamic range at any supply voltage. These features make the EL5220T an ideal amplifier solution for use in TFT-LCD panels as a VCOM 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 EL5220T is available in an 8 Ld MSOP package, and a thermally enhanced 8 Ld DFN package. Both feature a standard operational amplifier pinout. The devices operate over an ambient temperature range of -40°C to +85°C.
Features
• 12MHz (-3dB) Bandwidth • 4.5V to 19V Maximum Supply Voltage Range • 12V/µs Slew Rate • 550µA Supply Current (per Amplifier) • ±65mA Continuous Output Current • ±200mA 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 • Electronics Notebooks • Electronics Games • Touch-screen Displays • Personal Communication Devices • Personal Digital Assistants (PDA) • Portable Instrumentation • Sampling ADC Amplifiers • Wireless LANs • Office Automation • Active Filters • ADC/DAC Buffer
+15V
VOUTA
VINA0
VINA+
VS-
EL5220T
VS+ 0.1µF
VOUTB
+15V +
4.7µF
VINB-
0 VINB+
PANEL CAPACITANCE
PANEL CAPACITANCE
TFT-LCD PANEL
FIGURE 1. TYPICAL TFT-LCD VCOM APPLICATION
NORMALIZED GAIN (dB)
5
0
-5 150Ω
10kΩ
1kΩ 560Ω
-10 VS = ±5V AV = 1 CL = 8pF
-15
100k
1M 10M FREQUENCY (Hz)
100M
FIGURE 2. FREQUENCY RESPONSE FOR VARIOUS RL
FN6892 Rev 0.00 May 4, 2010
Page 1 of 15
EL5220T
Pin Configuration
EL5220T (8 LD MSOP)
TOP VIEW
VOUTA 1
8 VS+
VINA- 2 VINA+ 3
+
VS- 4
7 VOUTB
- 6 VINB+
5 VINB+
EL5220T (8 LD DFN)
TOP VIEW
VOUTA 1
8 VS+
VINA- 2
7 VOUTB
PD
VINA+ 3
6 VINB-
VS- 4
5 VINB+
THERMAL PAD IS ELECTRICALLY CONNECTED TO VS-
Pin Descriptions
PIN NUMBER (MSOP, DFN)
PIN NAME
FUNCTION
EQUIVALENT CIRCUIT
1 VOUTA Amplifier A output
(Reference Circuit 1)
2 VINA- Amplifier A inverting input
(Reference Circuit 2)
3 VINA+ Amplifier A non-inverting input
(Reference Circuit 2)
4 VS- Negative power supply
5 VINB+ Amplifier B non-inverting input
(Reference Circuit 2)
6 VINB- Amplifier B inverting input
(Reference Circuit 2)
7 VOUTB Amplifier B output
(Reference Circuit 1)
8
VS+
Positive power supply
PD Thermal Pad Functions as a heat sink. Electrically connected to VS-. Connect the thermal pad to VS- plane on the PCB for optimum thermal performance.
VS+
VS+
VOUTx
GND
VS-
CIRCUIT 1
VINx
CIRCUIT 2
VS-
Ordering Information
PART NUMBER (Notes 2, 3)
PART MARKING
PACKAGE (Pb-Free)
PKG. DWG. #
EL5220TILZ-T13 (Note 1)
20T
8 Ld DFN
L8.2x3
EL5220TIYZ
BBBMA
8 Ld MSOP
M8.118A
EL5220TIYZ-T7 (Note 1)
BBBMA
8 Ld MSOP
M8.118A
EL5220TIYZ-T13 (Note 1)
BBBMA
8 Ld MSOP
M8.118A
NOTES:
1. Please refer to TB347 for details on reel specifications.
2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte tin plate plus anneal (e3 termination finish, which is 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.
3. For Moisture Sensitivity Level (MSL), please see device information page for EL5220T. For more information on MSL please see techbrief TB363.
FN6892 Rev 0.00 May 4, 2010
Page 2 of 15
EL5220T
Absolute Maximum Ratings (TA = +25°C)
Supply Voltage between VS+ and VS- . . . . . . . . . . . .+19.8V Input Voltage Range (VINx+, VINx-) . . . VS- - 0.5V, VS+ + 0.5V Input Differential Voltage (VINx+ - VINx-) . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . (VS+ + 0.5V)-(VS- - 0.5V) Maximum Continuous Output Current . . . . . . . . . . . ±65mA
ESD Rating
Human Body Model . . . . . . . . . . ..