ADD8704 General Description
The ADD8704 is a single-supply quad operational amplifier that has been optimized for today' s low cost TFT LCD notebook and monitor panels. Output channels A and D swing to the rail for use as end-point gamma references. Output channels B and C provide high continuous and peak current drive for use as VCOM or repair amplifiers; they can also be used as midpoint gamma references. All four amplifiers have excellent transient response and have high slew rate and capacitive load drive capability. The ADD8704 is specified over the 40°C to +85°C temperature range and is available in either a 14-lead TSSOP or a 16-lead LFCSP package for thin, portable applications.
ADD8704 Maximum Ratings
Supply Voltage (VS) 18 V
Input Voltage 0.5 V to VS + 0.5 V
Differential Input Voltage VS
Storage Temperature Range 65°C to +150°C
Operating Temperature Range 40°C to +85°C
Junction Temperature Range 65°C to +150°C
Lead Temperature Range 300°C
ESD Tolerance (HBM) ±1500 V
ESD Tolerance (MM) 175 V
ADD8704 Features
Single-supply operation: 4.5 V to 16.5 V
Upper/lower buffers swing to VDD/GND
Continuous output current: 35 mA
VCOM peak output current: 250 mA
Offset voltage: 15 mV
Slew rate: 6 V/µs
Unity gain stable with large capacitive loads
Supply current: 700 µA per amplifier
Drop-in replacement for EL5420
ADD8704 Typical Application
TFT LCD monitor panels
TFT LCD notebook panels
Communications equipment
Portable instrumentation
Electronic games
ADD8704 Connection Diagram
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