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MAX4207ETE Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX4207ETE Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 15 page Precision Transimpedance Logarithmic Amplifier with Over 5 Decades of Dynamic Range _______________________________________________________________________________________ 3 DC ELECTRICAL CHARACTERISTICS—Dual-Supply Operation (continued) (VCC = +5V, VEE = -5V, GND = 0, IREF = 1µA, ILOG = 10µA, LOGV2 = SCALE, LOGV1 = OSADJ, CMVIN = CMVOUT, RSET > 1MΩ, TA = -40°C to +85°C. Typical values are at TA = +25°C, unless otherwise noted.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Voltage Reference Output Current IREFVOUT 1mA TA = +25°C 490 500 510 Current Reference Output Voltage VREFISET TA = -40°C to +85°C (Note 4) 482 518 mV LOGV2 BUFFER TA = +25°C 0.4 2 Input Offset Voltage VIO TA = -40°C to +85°C (Note 4) 6 mV Input Bias Current IB (Note 4) 0.01 1nA VOH RL to GND = 2kΩ VCC - 0.2 VCC - 0.3 Output Voltage Range VOL RL to GND = 2kΩ VEE + 0.2 VEE + 0.08 V IOUT+ Sourcing 34 Output Short-Circuit Current IOUT- Sinking 58 mA Slew Rate SR 12 V/µs Unity-Gain Bandwidth GBW 5 MHz AC ELECTRICAL CHARACTERISTICS—Dual-Supply Operation (VCC = +5V, VEE = -5V, GND = 0, IREF = 1µA, ILOG = 10µA, LOGV2 = SCALE, LOGV1 = OSADJ, CMVIN = CMVOUT, RSET > 1MΩ, TA = +25°C, unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS LOGV2 Total Noise 0.1Hz to 10Hz, total output-referred noise, IREF = 10nA, ILOG = 100nA 17 µVRMS LOGV2 Spot Noise Density f = 5kHz, IREF = 10nA, ILOG = 100nA 0.8 µV/√Hz REFVOUT Total Noise 1Hz to 10Hz, total output-referred noise 3.3 µVRMS REFVOUT Spot Noise Density f = 5kHz 266 nV/√Hz REFISET Total Noise 1Hz to 10Hz, total output-referred noise 0.67 µVRMS REFISET Spot Noise Density f = 5kHz 23 nV/√Hz Small-Signal Unity-Gain Bandwidth IREF = 1µA, ILOG = 10µA, RCOMP = 300Ω, CCOMP = 32pF 1 MHz Note 1: All devices are 100% production tested at TA = +25°C. All temperature limits are guaranteed by design. Note 2: Guaranteed and functionally verified. Note 3: Log conformity error less than ±5mV with scale factor = 0.25V/decade. Note 4: Guaranteed by design. |
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