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The LMC662 CMOS Dual operational amplifier is ideal for operation from a single supply. It operates from +5V to +15V and features rail-to-rail output swing in addition to an input common-mode range that includes ground. Performance limitations that have plagued CMOS amplifiers in the past are not a problem with this design. Input VOS, drift, and broadband noise as well as voltage gain into realistic loads (2 kW and 600W) are all equal to or better than widely accepted bipolar equivalents.
This chip is built with National's advanced Double-Poly Silicon-Gate CMOS process.
See the LMC660 datasheet for a Quad CMOS operational amplifier with these same features.
LMC662 Maximum Ratings
Differential Input Voltage.......................................... ±Supply Voltage Supply Voltage (V+ − V−).............................................................. 16V Output Short Circuit to V+ .....................................................(Note 12) Output Short Circuit to V− .......................................................(Note 1) Lead Temperature (Soldering, 10 sec.) .............................................................260°C Storage Temp. Range ............................................−65°C to +150°C Voltage at Input/Output Pins........................... (V+) +0.3V, (V−) −0.3V Current at Output Pin ..............................................................±18 mA Current at Input Pin ...................................................................±5 mA Current at Power Supply Pin .......................................................35 mA Power Dissipation ....................................................................(Note 2) Junction Temperature .................................................................150°C ESD Tolerance (Note 8) ................................................................1000V
LMC662 Features
Rail-to-rail output swing Specified for 2 kW and 600W loads High voltage gain: 126 dB Low input offset voltage: 3 mV Low offset voltage drift: 1.3 V/°C Ultra low input bias current: 2 fA Input common-mode range includes V− Operating range from +5V to +15V supply ISS = 400 A/amplifier; independent of V+ Low distortion: 0.01% at 10 kHz Slew rate: 1.1 V/s Available in extended temperature range (−40°C to +125°C); ideal for automotive applications Available to a Standard Military Drawing specification
LMC662 Typical Application
High-impedance buffer or preamplifier Precision current-to-voltage converter Long-term integrator Sample-and-hold circuit Peak detector Medical instrumentation Industrial controls Automotive sensors