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AD8328ACP Datasheet(PDF) 2 Page - Analog Devices |
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AD8328ACP Datasheet(HTML) 2 Page - Analog Devices |
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2 / 16 page  REV. 0 –2– AD8328–SPECIFICATIONS Parameter Conditions Min Typ Max Unit INPUT CHARACTERISTICS Specified AC Voltage Output = 60 dBmV, Max Gain 29 dBmV Input Resistance Single-Ended Input 800 Ω Differential Input 1600 Ω Input Capacitance 2pF GAIN CONTROL INTERFACE Voltage Gain Range 58 59.0 60 dB Max Gain Gain Code = 60 Dec 30.5 31.5 32.5 dB Min Gain Gain Code = 1 Dec –28.5 –27.5 –26.5 dB Output Step Size 0.6 1.0 1.4 dB/LSB Output Step Size Temperature TA = –40 °C to +85°C ± 0.0005 dB/ °C Coefficient OUTPUT CHARACTERISTICS Bandwidth (–3 dB) All Gain Codes (1–60 Decimal Codes) 107 MHz Bandwidth Roll-Off f = 65 MHz 1.2 dB 1 dB Compression Point 2 Max Gain, f = 10 MHz, Output Referred 17.9 18.4 dBm Min Gain, f = 10 MHz, Input Referred 2.2 3.3 dBm Output Noise 2 Max Gain f = 10 MHz 135 151 nV/ √Hz Min Gain f = 10 MHz 1.2 1.3 nV/ √Hz Transmit Disable f = 10 MHz 1.1 1.2 nV/ √Hz Noise Figure 2 Max Gain f = 10 MHz 16.7 17.7 dB Differential Output Impedance TX Enable and TX Disable 75 ± 30%3 Ω OVERALL PERFORMANCE Second-Order Harmonic Distortion 4, 5 f = 33 MHz, VOUT = 60 dBmV @ Max Gain –67 –56 dBc f = 65 MHz, VOUT = 60 dBmV @ Max Gain –61 –55 dBc Third-Order Harmonic Distortion 4, 5 f = 21 MHz, VOUT = 60 dBmV @ Max Gain –57.5 –56 dBc f = 65 MHz, VOUT = 60 dBmV @ Max Gain –54 –52.5 dBc ACPR 2, 6 –58 –56 dBc Isolation (Transmit Disable) 2 Max Gain, f = 65 MHz –85 –81 dB POWER CONTROL TX Enable Settling Time Max Gain, VIN = 0 2.5 µs TX Disable Settling Time Max Gain, VIN = 0 3.8 µs Output Switching Transients 2 Equivalent Output = 31 dBmV 2.5 6 mV p-p Equivalent Output = 61 dBmV 16 54 mV p-p Output Settling Due to Gain Change Min to Max Gain 60 ns Due to Input Step Change Max Gain, VIN = 29 dBmV 30 ns POWER SUPPLY Operating Range 4.75 5 5.25 V Quiescent Current Max Gain 98 120 140 mA Min Gain 18 26 34 mA Transmit Disable (TXEN = 0) 1 2.6 3.5 mA SLEEP Mode (Power-Down) 1 20 100 µA OPERATING TEMPERATURE –40 +85 °C RANGE NOTES 1TOKO 458PT-1087 used for above specifications. Typical insertion loss of 0.3 dB @ 10 MHz. 2Guaranteed by design and characterization to ±4 sigma for T A = 25 °C. 3Measured through a 2:1 transformer. 4Specification is worst case over all gain codes. 5Guaranteed by design and characterization to ±3 sigma for T A = 25 °C. 6V IN = 29 dBmV, QPSK modulation, 160 KSPS symbol rate. (TA = 25 C, VS = 5 V, RL = RIN = 75 , VIN (Differential) = 29 dBmV. The AD8328 is characterized using a 2:1 transformer 1 at the device output.) |
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