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AD8304-EVAL Datasheet(PDF) 2 Page - Analog Devices |
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AD8304-EVAL Datasheet(HTML) 2 Page - Analog Devices |
2 / 20 page REV. A –2– AD8304–SPECIFICATIONS (V P = 5 V, VN = 0 V, TA = 25 C, unless otherwise noted.) Parameter Conditions Min 1 Typ Max 1 Unit INPUT INTERFACE Pin 4, INPT; Pin 3 and Pin 5, VSUM Specified Current Range Flows toward INPT Pin 100 pA 10 mA Input Node Voltage Internally preset; may be altered 0.46 0.5 0.54 V Temperature Drift –40 °C < TA < +85°C 0.02 mV/ °C Input Guard Offset Voltage VIN – VSUM –20 +20 mV PHOTODIODE BIAS 2 Established between Pin 6, VPDB, and Pin 4 Minimum Value IPD = 100 pA 70 100 mV Transresistance 200 mV/mA LOGARITHMIC OUTPUT Pin 8, VLOG Slope Laser-trimmed at 25 °C 196 200 204 mV/dec 0 °C < T A < 70 °C 194 207 mV/dec Intercept Laser-trimmed at 25 °C60 100 140 pA 0 °C < TA < 70°C35 175 pA Law Conformance Error 10 nA < IPD < 1 mA, Peak Error 0.05 0.25 dB 1 nA < IPD < 1 mA, Peak Error 0.1 0.7 dB Maximum Output Voltage 1.6 V Minimum Output Voltage Limited by VN = 0 V 0.1 V Output Resistance Laser-trimmed at 25 °C 4.95 5 5.05 k Ω REFERENCE OUTPUT Pin 7, VREF Voltage WRT Ground Laser-trimmed at 25 °C 1.98 2 2.02 V –40 °C < TA < +85°C 1.92 2.08 V Output Resistance 2 Ω OUTPUT BUFFER Pin 9, BFIN; Pin 13, BFNG; Pin 11, VOUT Input Offset Voltage –20 +20 mV Input Bias Current Flowing out of Pin 9 or Pin 13 0.4 µA Incremental Input Resistance 35 M Ω Output Range RL = 1 k Ω to ground VP – 0.1 V Output Resistance 0.5 Ω Wide-Band Noise 3 IPD > 1 µA (see Typical Performance Characteristics) 1 µV/√Hz Small Signal Bandwidth 3 IPD > 1 µA (see Typical Performance Characteristics) 10 MHz Slew Rate 0.2 V to 4.8 V output swing 15 V/ µs POWER-DOWN INPUT Pin 2, PWDN Logic Level, HI State –40 °C < TA < +85°C, 2.7 V < VP < 5.5 V 2 V Logic Level, LO State –40 °C < T A < +85 °C, 2.7 V < V P < 5.5 V 1 V POWER SUPPLY Pin 10 and Pin 12, VPS1 and VPS2; Pin 1, VNEG Positive Supply Voltage 3.0 5 5.5 V Quiescent Current 4.5 5.3 mA In Disabled State 60 µA Negative Supply Voltage4 |1VP –VN| < 8V 0 –5.5 V NOTES 1Minimum and maximum specified limits on parameters that are guaranteed but not tested are six sigma values. 2This bias is internally arranged to track the input voltage at INPT; it is not specified relative to ground. 3Output Noise and Incremental Bandwidth are functions of Input Current; see Typical Performance Characteristics. 4Optional Specifications subject to change without notice. |
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