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OA4ZHA Datasheet(PDF) 5 Page - STMicroelectronics |
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OA4ZHA Datasheet(HTML) 5 Page - STMicroelectronics |
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5 / 35 page  OA1ZHA, OA2ZHA, OA4ZHA Electrical characteristics DocID025994 Rev 2 5/35 3 Electrical characteristics Table 3: Electrical characteristics at VCC+ = 1.8 V with VCC- = 0 V, Vicm = VCC/2, T = 25 ° C, and RL = 10 kΩ connected to VCC/2 (unless otherwise specified) Symbol Parameter Conditions Min. Typ. Max. Unit DC performance Vio Input offset voltage T = 25 °C 1 5 μV -40 °C < T < 125 °C 8 ΔVio/ΔT Input offset voltage drift (1) -40 °C < T < 125 °C 10 30 nV/°C Iib Input bias current (Vout = VCC/2) T = 25 °C 50 200 (2) pA -40 °C < T < 125 °C 300 (2) Iio Input offset current (Vout = VCC/2) T = 25 °C 100 400 (2) -40 °C < T < 125 °C 600 (2) CMR Common mode rejection ratio, 20 log (ΔVicm/ΔVio), Vic = 0 V to VCC, Vout = VCC/2, RL > 1 MΩ T = 25 °C 110 122 dB -40 °C < T < 125 °C 110 Avd Large signal voltage gain, Vout = 0.5 V to (VCC - 0.5 V) T = 25 °C 118 135 -40 °C < T < 125 °C 110 VOH High-level output voltage T = 25 °C 30 mV -40 °C < T < 125 °C 70 VOL Low-level output voltage T = 25 °C 30 -40 °C < T < 125 °C 70 Iout Isink (Vout = VCC) T = 25 °C 7 8 mA -40 °C < T < 125 °C 6 Isource (Vout = 0 V) T = 25 °C 5 7 -40 °C < T < 125 °C 4 ICC Supply current (per amplifier), Vout = VCC/2, RL > 1 MΩ) T = 25 °C 28 40 μA -40 °C < T < 125 °C 40 AC performance GBP Gain bandwidth product RL = 10 kΩ, CL = 100 pF 400 kHz Fu Unity gain frequency 300 ɸm Phase margin 55 Degrees Gm Gain margin 17 dB SR Slew rate (3) 0.17 V/μs ts Setting time To 0.1 %, Vin = 1 Vp-p, RL = 10 kΩ, CL = 100 pF 50 μs en Equivalent input noise voltage f = 1 kHz 60 nV/√Hz f = 10 kHz 60 Cs Channel separation f = 100 Hz 120 dB tinit Initialization time T = 25 °C 50 μs -40 °C < T < 125 °C 100 |
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