Texas Instruments OPA2325
The OPA2325 (dual-channel version) is offered in SO-8 and MSOP-8 packages. The OPA4325 (quad-channel version) is available in TSSOP-14 package.FEATURES
●1 Precision with zero-crossover distortion: – Low offset voltage: 150 μV (maximum) – High CMRR: 114 dB – Rail-to-rail I/O● Wide bandwidth: 10 MHz
● Quiescent current: 650 μA/ch
● Single-supply voltage range: 2.2 V to 5.5 V
● Low input bias current: 0.2 pA
● Low noise: 9 nV/√Hz at 10 kHz
● Slew rate: 5 V/μs
● Unity-gain stable 2
APPLICATIONS
● High-Z sensor signal conditioning● Transimpedance amplifiers
● Test and measurement equipment
● Programmable logic controllers (PLCs)
● Motor control loops
● Communications
● Input, output ADC, and DAC buffers
● Active filters Offset Voltage vs Input Common-Mode Voltage VOS ( V) 150 125 100 75 50 25 0 ±25 ±50 ±75 ±100 ±125 ±150 ±3 VCM = ±2.85 V ±2 ±1 0 VCM (V) VCM = 2.85 V 12 3 C003 3
DESCRIPTION
The OPA325, OPA2325, and OPA4325 (OPAx325) are precision, low-voltage complementary metal-oxide semiconductor (CMOS) operational amplifiers optimized for very low noise and wide bandwidth, while operating on a low quiescent current of only 650 μA.