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AFE5809ZCF Datasheet(PDF) 9 Page - Texas Instruments |
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AFE5809ZCF Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 90 page  AFE5809 www.ti.com SLOS738C – SEPTEMBER 2012 – REVISED JANUARY 2013 ELECTRICAL CHARACTERISTICS (continued) AVDD_5 V = 5 V, AVDD = 3.3 V, AVDD_ADC = 1.8 V, DVDD = 1.8 V, AC-coupled with 0.1 µF at INP and bypassed to ground with 15 nF at INM, No active termination, VCNTL = 0 V, fIN = 5 MHz, LNA = 18 dB, PGA = 24 dB, 14Bit, sample rate = 65MSPS, LPF Filter = 15 MHz, low noise mode, VOUT = –1 dBFS, Single-ended VCNTL mode, VCNTLM = GND, ADC configured in internal reference mode, internal 500 Ω CW feedback resistor, CMOS CW clocks, at ambient temperature TA = 25°C, Digital demodulator is disabled unless otherwise noted. Min and max values are specified across full-temperature range with AVDD_5 V = 5 V, AVDD = 3.3 V, AVDD_ADC = 1.8 V, DVDD = 1.8 V. PARAMETER TEST CONDITION MIN TYP MAX UNITS AC ACCURACY LPF Bandwidth tolerance ±5% CH-CH group delay variation 2 MHz to 15 MHz 2 ns CH-CH Phase variation 15 MHz signal 11 Degree 0V < VCNTL< 0.1V (Dev-to-Dev) ±0.5 0.1V < VCNTL<1.1V(Dev-to-Dev), TA = 25°C –1 ±0.5 +1 Gain matching dB 1.1V < VCNTL<1.5 V (Dev-to-Dev) ±0.5 0.1V < VCNTL<1.1 V (Dev-to-Dev), TA = 0°C and 85°C –1.1 1.1 Gain matching Channel-to-Channel ±0.25 dB Output offset VCNTL= 0, PGA = 30dB, LNA = 24dB –75 75 LSB AC PERFORMANCE FIN = 2MHz; VOUT = -1 dBFS –60 FIN = 5 MHz; VOUT = -1 dBFS –60 FIN = 5 MHz; VIN= 500 mVPP, HD2 Second-Harmonic Distortion dBc –55 VOUT =–1dBFS, LNA = 18 dB, VCNTL=0.88V FIN = 5 MHz; VIN = 250 mVPP, –55 VOUT = –1 dBFS, LNA = 24 dB, VCNTL= 0.88V FIN = 2 MHz; VOUT = –1dBFS –55 FIN = 5 MHz; VOUT = –1dBFS –55 FIN = 5 MHz; VIN = 500mVPP, HD3 Third-Harmonic Distortion dBc –55 VOUT = –1 dBFS, LNA = 18 dB, VCNTL = 0.88 V FIN = 5 MHz; VIN = 250 mVPP, –55 VOUT = –1dBFS, LNA = 2 4dB, VCNTL= 0.88 V FIN = 2 MHz; VOUT = –1 dBFS –55 THD Total Harmonic Distortion dBc FIN = 5 MHz; VOUT = – 1dBFS –55 f1 = 5 MHz at –1 dBFS, IMD3 Intermodulation distortion –60 dBc f2 = 5.01 MHz at –27 dBFS XTALK Cross-talk FIN = 5 MHz; VOUT= –1 dBFS –65 dB Phase Noise kHz off 5 MHz (VCNTL= 0 V) –132 dBc/Hz LNA Input Referred Voltage Noise Rs = 0 Ω, f = 2 MHz, Rin = High Z, Gain = 24, 18, 12 dB 0.63, 0.70, 0.9 nV/rtHz 50, 100, 150, High-Pass Filter -3 dB Cut-off Frequency KHz 200 LNA linear output 4 Vpp VCAT+ PGA VCAT Input Noise 0 dB, -40 dB Attenuation 2, 10.5 nV/rtHz PGA Input Noise 24dB, 30dB 1.75 nV/rtHz -3dB HPF cut-off Frequency 80 KHz Copyright © 2012–2013, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: AFE5809 |
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