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| OPA237 |
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3 page 
3 OPA237, 2237, 4237 ® SPECIFICATIONS: VS = +2.7V At TA = +25°C, VS = +2.7V, RL = 10kΩ connected to VS/2, unless otherwise noted. OPA237UA, NA OPA2237UA, EA OPA4237UA PARAMETER CONDITION MIN TYP MAX UNITS OFFSET VOLTAGE Input Offset Voltage VCM = 1V ±250 ±750 µV vs Temperature(1) Specified Temperature Range ±2 ±5 µV/°C vs Power Supply (PSRR) VS = +2.7V to +36V 10 30 µV/V Channel Separation (dual and quad) 0.5 µV/V INPUT BIAS CURRENT Input Bias Current(2) VCM = 1V –10 –40 nA Input Offset Current VCM = 1V ±0.5 ±10 nA NOISE Input Voltage Noise, f = 0.1 to 10Hz 1 µVp-p Input Voltage Noise Density, f = 1kHz 28 nV/ √Hz Current Noise Density, f = 1kHz 60 fA/ √Hz INPUT VOLTAGE RANGE Common-Mode Voltage Range –0.2 (V+) –1.5 V Common-Mode Rejection VCM = –0.2V to 1.2V 75 85 dB INPUT IMPEDANCE Differential 5 • 106 || 4 Ω || pF Common-Mode 5 • 109 || 2 Ω || pF OPEN-LOOP GAIN Open-Loop Voltage Gain VO = 0.5V to 1.7V 80 88 dB FREQUENCY RESPONSE Gain-Bandwidth Product 1.2 MHz Slew Rate G = 1 0.5 V/ µs Settling Time: 0.1% G = –1, 1V Step, CL = 100pF 5 µs 0.01% G = –1, 1V Step, CL = 100pF 8 µs OUTPUT Voltage Output, Positive RL = 100kΩ to Ground (V+) –1 (V+) –0.75 V Negative RL = 100kΩ to Ground 0.01 0.001 V Positive RL = 100kΩ to 1.35V (V+) –1 (V+) –0.75 V Negative RL = 100kΩ to 1.35V 0.06 0.02 V Positive RL = 10kΩ to 1.35V (V+) –1 (V+) –0.75 V Negative RL = 10kΩ to 1.35V 0.3 0.2 V Short-Circuit Current –5/+3.5 mA Capacitive Load Drive (stable operation) See Typical Curves POWER SUPPLY Specified Operating Voltage +2.7 V Operating Range +2.7 +36 V Quiescent Current (per amplifier) 160 350 µA TEMPERATURE RANGE Specified Range –40 +85 °C Operating Range –55 +125 °C Storage –55 +125 °C Thermal Resistance, θ JA 5-Lead SOT-23-5 200 °C/W MSOP-8 Surface-Mount 150 °C/W SSOP-16 Surface-Mount 150 °C/W SO-8 Surface-Mount 150 °C/W NOTES: (1) Guaranteed by wafer-level test to 95% confidence. (2) Positive conventional current flows into the input terminals. |
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