Fixed-Gain Amplifiers
LMV101/102/105/110 Fixed-Gain Amplifiers
December 1999
LMV101/102/105/110 Fixed-Gain Amplifiers
General Description
Th...
Description
LMV101/102/105/110 Fixed-Gain Amplifiers
December 1999
LMV101/102/105/110 Fixed-Gain Amplifiers
General Description
The LMV101/102/105/110 fixed-gain amplifier family integrates a rail-to-rail op amp, two internal gain-setting resistors and a V+/2 bias circuit into one ultra tiny package, SC70-5 or SOT23-5. Fixed inverting gains of −1, −2, −5, and −10 are available. The core op amp in this series is an LMV321, which provides rail-to-rail output swing, excellent speed-power ratio, 1MHz bandwidth, and 1V/µs of slew rate with low supply current. The LMV101/102/105/110 family reduces external component count. It is the most cost effective solution for applications where low voltage operation, low power consumption, space savings, and reliable performance are needed. It enables the design of small portable electronic devices, and allows the designer to place the device closer to the signal source to reduce noise pickup and increase signal integrity.
Features
(For 5V Supply, Typical Unless Otherwise Noted) n Fixed inverting gain available −1,−2,−5,−10 n DC gain accuracy @2.7V supply — LMV101/102/105 2% (typ) — LMV110 6% (typ) n Space saving packages SC70-5 & SOT23-5 n Industrial temperature range −40˚C to +85˚C n Low supply current 130µA n Rail-to-Rail output swing n Guaranteed 2.7V and 5V performance
Applications
n n n n n General purpose portable devices Mobile communications Battery powered electronics Active filters Microphone preamplifiers
Typical Application
Phase Invert...
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