EL5427CR-T7 Intersil Corporation, EL5427CR-T7 Datasheet

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EL5427CR-T7

Manufacturer Part Number
EL5427CR-T7
Description
2.5MHz 4/ 8/ 10 & 12 Channel Rail-to-Rail Buffers
Manufacturer
Intersil Corporation
Datasheet
2.5MHz 4, 8, 10 & 12 Channel Rail-to-Rail
Buffers
designed for use in reference voltage buffering applications
in small LCD displays. They are available in quad (EL5127),
octal (EL5227), 10-channel (EL5327), and 12-channel
(EL5427) topologies. All buffers feature a -3dB bandwidth of
2.5MHz and operate from just 133µA per buffer. This family
also features a continuous output drive capability of 30mA
(sink and source).
The quad channel EL5127 is available in the 10-pin MSOP
package. The 8-channel EL5227 is available in both the 20-
pin TSSOP and 24-pin QFN packages, the 10-channel
EL5327 in the 24-pin TSSOP and 24-pin QFN packages,
and the 12-channel EL5427 in the 28-pin TSSOP and 32-pin
QFN packages. All buffers are specified for operation over
the full -40°C to +85°C temperature range.
The EL5127, EL5227, EL5327, and
EL5427 are low power, high voltage
rail-to-rail input/output buffers
®
1
Data Sheet
Copyright © Intersil Americas Inc. 2004. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc.
1-888-INTERSIL or 321-724-7143
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
EL5127, EL5227, EL5327, EL5427
Features
• 2.5MHz -3dB bandwidth
• Supply voltage = 4.5V to 16.5V
• Low supply current (per buffer) = 133µA
• High slew rate = 2.2V/µs
• Rail-to-rail input/output swing
• Ultra-small packages
Applications
• TFT-LCD drive circuits
• Electronic games
• Touch-screen displays
• Personal communication devices
• Personal digital assistants (PDAs)
• Portable instrumentation
All other trademarks mentioned are the property of their respective owners.
June 15, 2004
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
FN7111.1

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EL5427CR-T7 Summary of contents

Page 1

Data Sheet 2.5MHz & 12 Channel Rail-to-Rail Buffers The EL5127, EL5227, EL5327, and EL5427 are low power, high voltage rail-to-rail input/output buffers designed for use in reference voltage buffering applications in small LCD displays. They are ...

Page 2

... MDP0046 EL5427CL-T7 MDP0046 EL5427CL-T13 - MDP0044 EL5427CLZ (Note) 7” MDP0044 EL5427CLZ-T7 (Note) MDP0044 EL5427CLZ-T13 (Note) - MDP0044 EL5427CR 7” MDP0044 EL5427CR-T7 MDP0044 EL5427CR-T13 - MDP0046 EL5427CRZ (Note) 7” MDP0046 EL5427CRZ-T7 (Note) MDP0046 EL5427CRZ-T13 (Note) TAPE & PACKAGE REEL PKG. DWG. # 24-Pin QFN - MDP0046 ...

Page 3

Pinouts EL5127 (10-PIN MSOP) TOP VIEW VIN1 VIN1 1 10 VOUT1 VIN2 VIN2 2 9 VOUT2 VIN3 VS VS- VIN4 VIN3 4 7 VOUT3 VS+ VIN4 5 6 VOUT4 VS+ VIN5 VIN6 VIN7 VIN8 EL5227, EL5327 (24-PIN QFN) ...

Page 4

Absolute Maximum Ratings (T = 25°C) A Supply Voltage Between V + and .+18V S S Input Voltage . . ...

Page 5

Electrical Specifications +5V PARAMETER DESCRIPTION INPUT CHARACTERISTICS V Input Offset Voltage OS TCV Average Offset Voltage Drift OS I Input Bias Current B R Input Impedance IN C Input Capacitance IN A Voltage Gain V ...

Page 6

Electrical Specifications +15V PARAMETER DESCRIPTION INPUT CHARACTERISTICS V Input Offset Voltage OS TCV Average Offset Voltage Drift OS I Input Bias Current B R Input Impedance IN C Input Capacitance IN AV Voltage Gain OUTPUT ...

Page 7

Typical Performance Curves 20 C =10pF L V =± 10k 0 562 -10 150 -20 -30 1K 10K 100K FREQUENCY (Hz) FIGURE 1. FREQEUNCY RESPONSE FOR VARIOUS R 2000 T =25° =±5V S 1600 1200 800 ...

Page 8

Typical Performance Curves 100 V =± =10k L V =±50mV =25° 100 CAPACITANCE (pF) FIGURE 7. SMALL SIGNAL OVERSHOOT vs LOAD CAPACITANCE 3.5 V =±5V ...

Page 9

Typical Performance Curves 2.255 2.245 2.235 2.225 V =±5V S 2.215 -40 - TEMPERATURE (°C) FIGURE 13. SLEW RATE vs TEMPERATURE 0.195 T =25°C A 0.19 0.185 0.18 0.175 0.17 0.165 SUPPLY VOLTAGE ...

Page 10

Typical Performance Curves JEDEC JESD51-7 HIGH EFFECTIVE THERMAL CONDUCTIVITY TEST BOARD 1.4 1.333W 1.2 1.176W 1.111W 1 0.8 TSSOP28 =75°C/W 0.6 JA TSSOP20 0.4 =90°C AMBIENT TEMPERATURE (°C) FIGURE 19. PACKAGE POWER DISSIPATION ...

Page 11

FIGURE 22. OPERATION WITH RAIL-TO-RAIL INPUT AND OUTPUT Short Circuit Current Limit The EL5127, EL5227, EL5327, and EL5427 will limit the short circuit current to ±120mA if the output is directly ...

Page 12

... Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use ...

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