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AD9670EBZ Datasheet(PDF) 6 Page - Analog Devices |
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AD9670EBZ Datasheet(HTML) 6 Page - Analog Devices |
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6 / 48 page  Data Sheet AD9674 Rev. A | Page 5 of 47 Parameter2 Test Conditions/Comments Min Typ Max Unit Output Offset −100 +100 LSB SNR fIN = 5 MHz at −12 dBFS, VGAIN = −1.6 V 69 dBFS fIN = 5 MHz at −1 dBFS, VGAIN = 1.6 V 59 dBFS Close-In SNR fIN = 3.5 MHz at −1 dBFS, VGAIN = 0 V, 1 kHz offset −130 dBc/√Hz Second Harmonic fIN = 5 MHz at −12 dBFS, VGAIN = −1.6 V −70 dBc fIN = 5 MHz at −1 dBFS, VGAIN = 1.6 V −62 dBc Third Harmonic fIN = 5 MHz at −12 dBFS, VGAIN = −1.6 V −61 dBc fIN = 5 MHz at −1 dBFS, VGAIN = 1.6 V −55 dBc Two-Tone Intermodulation Distortion (IMD3) fRF1 = 5.015 MHz, fRF2 = 5.020 MHz, ARF1 = −1 dBFS, ARF2 = −21 dBFS, VGAIN = 1.6 V, IMD3 relative to ARF2 −54 dBc Channel to Channel Crosstalk fIN = 5 MHz at −1 dBFS −60 dB Overrange condition4 −55 dB GAIN ACCURACY TA = 25°C Gain Law Conformance Error −1.6 < VGAIN < −1.28 V 0.4 dB −1.28 V < VGAIN < +1.28 V −1.3 +1.3 dB 1.28 V < VGAIN < 1.6 V −0.5 dB Linear Gain Error VGAIN = 0 V, normalized for ideal AAF loss −1.3 +1.3 dB Channel to Channel Matching −1.28 V < VGAIN < +1.28 V, 1 σ 0.1 dB PGA Gain 21/24/27/303 dB GAIN CONTROL INTERFACE Control Range Differential −1.6 +1.6 V Control Common Mode GAIN+, GAIN− 0.7 0.8 0.9 V Input Impedance GAIN+, GAIN− 10 MΩ Gain Range 45 dB Scale Factor Analog 14 dB/V Digital step size 3.5 dB Response Time Analog 45 dB change 750 ns CW DOPPLER MODE LO Frequency fLO = fMLO/M 1 10 MHz Phase Resolution Per channel, 4LO5 mode 45 Degrees Per channel, 8LO5 mode, 16LO5 mode 22.5 Degrees Output DC Bias (Single-Ended) CWI+, CWI−, CWQ+, CWQ− AVDD2/2 V Output AC Current Range Per CWI+, CWI−, CWQ+, and CWQ−, each channel is enabled (2 × fLO and baseband signal) ±2.2 ±2.5 mA Transconductance (Differential) Demodulated IOUT/VIN, per CWI+, CWI−, CWQ+, and CWQ− LNA gain = 15.6 dB 3.3 mA/V LNA gain = 17.9 dB 4.3 mA/V LNA gain = 21.6 dB 6.6 mA/V Input Referred Noise Voltage RS = 0 Ω, RFB = ∞ LNA gain = 15.6 dB 1.6 nV/√Hz LNA gain = 17.9 dB 1.3 nV/√Hz LNA gain = 21.6 dB 1.0 nV/√Hz Noise Figure RS = 50 Ω, RFB = ∞ LNA gain = 15.6 dB 5.7 dB LNA gain = 17.9 dB 4.5 dB LNA gain = 21.6 dB 3.4 dB Dynamic Range RS = 0 Ω, RFB = ∞ LNA gain = 15.6 dB 164 dBFS/√Hz LNA gain = 17.9 dB 162 dBFS/√Hz LNA gain = 21.6 dB 160 dBFS/√Hz |
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