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OA1MPA Datasheet(PDF) 11 Page - STMicroelectronics |
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OA1MPA Datasheet(HTML) 11 Page - STMicroelectronics |
11 / 28 page DocID025992 Rev 1 11/28 OA1MPA, OA2MPA, OA4MPA Electrical characteristics 28 ICC Supply current (per channel, Vout = VCC/2, RL > 1 M) T = 25 °C 10 14 µA -40 °C < T< 125 °C 16 AC performance GBP Gain bandwidth product RL =10k, CL = 100 pF 110 150 kHz Fu Unity gain frequency 120 Fm Phase margin 45 Degrees Gm Gain margin 19 dB SR Slew rate(5) RL =10k, CL = 100 pF, Vout = 0.5 V to VCC - 0.5 V 0.06 V/ s e n Low-frequency peak-to-peak input noise Bandwidth: f=0.1to10Hz 10 µVpp en Equivalent input noise voltage f= 1kHz 100 f = 10 kHz 96 THD+N Total harmonic distortion + noise fin = 1 kHz, ACL =1, RL = 100 k, Vicm =(VCC - 1 V)/2, BW = 22 kHz, Vout =0.5 Vpp 0.008 % tinit Initialization time(6) T = 25 °C 5 ms -40 °C < T< 125 °C 50 1. See Section 4.4: Input offset voltage drift over temperature. 2. Typical value is based on the Vio drift observed after 1000h at 125 °C extrapolated to 25 °C using the Arrhenius law and assuming an activation energy of 0.7 eV. The operational amplifier is aged in follower mode configuration. See Section 4.5: Long-term input offset voltage drift. 3. Guaranteed by characterization. 4. Tested on SC70-5 package. 5. Slew rate value is calculated as the average between positive and negative slew rates. 6. Initialization time is defined as the delay after power-up to guarantee operation within specified performances. Guaranteed by design. See Section 4.6: Initialization time. Table 6. Electrical characteristics (continued) Symbol Parameter Conditions Min. Typ. Max. Unit nV Hz ------------ |
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