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S89430 Datasheet(PDF) 8 Page - Seiko Instruments Inc |
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S89430 Datasheet(HTML) 8 Page - Seiko Instruments Inc |
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8 / 33 page  MINI ANALOG SERIES 0.5 μA Rail-to-Rail CMOS OPERATIONAL AMPLIFIER S-89430/89431 Series Rev.2.1_01 8 Electrical Characteristics Table 7 (Ta = +25°C unless otherwise specified) Parameter Symbol Conditions Min. Typ. Max. Unit Test Circuit Range of operating power supply voltage VDD − 0.9 − 5.5 V − 1. VDD = 3.0 V Table 8 DC Electrical Characteristics (VDD = 3.0 V) (Ta = +25°C unless otherwise specified) Parameter Symbol Conditions Min. Typ. Max. Unit Test Circuit Current consumption (per circuit)*1 IDD VCMR = VOUT = 1.5 V − 0.50 0.75 μA 6 Input offset voltage VIO VCMR = 1.5 V S-89430 Series −10 ±5 +10 mV 2 S-89431 Series −5 ±3 +5 mV 2 Input offset current IIO − − 1 − pA − Input bias current IBIAS − − 1 − pA − Common-mode input voltage range VCMR − 0 − 3 V 3 Voltage gain (open loop) AVOL VSS + 0.1 V ≤ VOUT ≤ VDD − 0.1 V, VCMR = 1.5 V, RL = 1.0 M Ω 70 80 − dB 9 Maximum output swing voltage VOH RL = 100 k Ω 2.95 − − V 4 VOL RL = 100 k Ω − − 0.05 V 5 Common-mode input signal rejection ratio CMRR VSS ≤ VCMR ≤ VDD 45 65 − dB 3 Power supply voltage rejection ratio PSRR VDD = 0.9 V to 5.5 V 70 80 − dB 1 Source current ISOURCE VOUT = VDD − 0.1 V 400 500 − μA 7 VOUT = 0 V 4800 6000 − μA 7 Sink current ISINK VOUT = 0.1 V 400 550 − μA 8 VOUT = VDD 4800 6000 − μA 8 *1. When the output is saturated on the VDD side, a current consumption of up to 3 μA to 5 μA may flow. Refer to “4. Current consumption (per circuit) vs. Common-mode input voltage range characteristics (voltage follower configuration)” in “ Characteristics (Typical Data)”. Table 9 AC Electrical Characteristics (VDD = 3.0 V) (Ta = +25°C unless otherwise specified) Parameter Symbol Conditions Min. Typ. Max. Unit Slew rate SR RL = 1.0 M Ω, CL = 15 pF (Refer to Figure 17) − 5 − V/ms Gain-bandwidth product GBP CL = 0 pF − 4.8 − kHz Maximum load capacitance CL − − 47 − pF |
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