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AFE5807 Datasheet(PDF) 7 Page - Texas Instruments |
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AFE5807 Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 75 page  AFE5807 www.ti.com SLOS703C – SEPTEMBER 2010 – REVISED MAY 2013 ELECTRICAL CHARACTERISTICS (continued) AVDD_5V = 5V, AVDD = 3.3V, AVDD_ADC = 1.8V, DVDD = 1.8V, AC-coupled with 0.1µF at INP and bypassed to ground with 15nF at INM, No active termination, VCNTL= 0V, fIN = 5MHz, LNA = 18dB, PGA = 24dB, 12Bit, sample rate = 80MSPS, LPF Filter = 15MHz, low power mode (default power mode), VOUT = –1dBFS, internal 500Ω CW feedback resistor, CMOS CW clocks, ADC configured in internal reference mode, Single-ended VCNTL mode, VCNTLM = GND, at ambient temperature TA = 25°C, unless otherwise noted. Min and max values are specified across full-temperature range with AVDD_5V = 5V, AVDD = 3.3V, AVDD_ADC = 1.8V, DVDD = 1.8V PARAMETER TEST CONDITION MIN TYP MAX UNITS 3rd order-Low-pass Filter 10, 15, 20, 30 MHz Settling time for change in LNA gain 14 µs Settling time for change in active 1 µs termination setting AC ACCURACY LPF Bandwidth tolerance ±5% CH-CH group delay variation 2MHz to 15MHz 2 ns CH-CH Phase variation 15MHz signal 11 Degree 0V < VCNTL< 0.1V (Dev-to-Dev) ±0.5 0.1V < VCNTL<1.1V (Dev-to-Dev) –1 ±0.5 1 Gain matching dB 0.1V < VCNTL<1.1V (Dev-to-Dev) Temp = 0°C and 85°C –1.2 ±0.5 1.2 1.1V < VCNTL<1.5V (Dev-to-Dev) ±0.5 Gain matching Channel-to-Channel ±0.25 dB Output offset Vcntl= 0, PGA = 30dB, LNA=24dB –50 50 LSB AC PERFORMANCE Fin = 2MHz; VOUT = -1dBFS, low power and low noise modes –60 Fin = 5MHz; VOUT = -1dBFS, low power and low noise modes –60 Fin = 5MHz; VIN= 500mVpp, –55 HD2 Second-Harmonic Distortion dBc VOUT = –1dBFS, LNA = 18dB Fin = 5MHz; VIN = 250mVpp, –55 VOUT = –1dBFS, LNA = 24dB, VCNTL = 0.88V, low power and low noise modes Fin = 2MHz; VOUT = –1dBFS, low power and low noise modes –53 Fin = 5MHz; VOUT = –1dBFS, low power and low noise modes –54 Fin = 5MHz; VIN = 500mVpp, –52/–55 VOUT = –1dBFS, LNA = 18dB, VCNTL = 0.88V, Low power mode/Low HD3 Third-Harmonic Distortion dBc Noise Mode Fin = 5MHz; VIN = 250mVpp, –52/–55 VOUT = –1dBFS, LNA = 24dB, VCNT L= 0.88V, Low power mode/Low Noise Mode Fin = 2MHz; VOUT = –1dBFS –52 THD Total Harmonic Distortion dBc Fin = 5MHz; VOUT = –1dBFS –52 f1 = 5MHz at –1dBFS, IMD3 Intermodulation distortion –60 dBc f2 = 5.01MHz at –27dBFS, low noise mode/low power mode XTALK Cross-talk Fin = 5MHz; VOUT= –1dBFS –65 dB Phase Noise 1kHz off 5MHz (VCNTL= 0V) –132 dBc/Hz LNA Rs = 0 Ω, f = 2MHz, Rin = High Z, Gain = 24/18/12dB, low power mode 0.99/1.0/1.05 Input Referred Voltage Noise nV/rtHz Rs = 0 Ω, f = 2MHz, Rin = High Z, Gain = 24/18/12dB, Low Noise Mode 0.63/0.70/0.9 High-Pass Filter -3dB Cut-off Frequency 50/100/150/200 KHz LNA linear output 4 Vpp VCAT+ PGA VCAT Input Noise 0dB/-40dB Attenuation 2/10.5 nV/rtHz PGA Input Noise 24dB and 30dB, low noise mode/low power mode 1.75/3 nV/rtHz -3dB HPF cut-off Frequency 80 KHz Copyright © 2010–2013, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: AFE5807 |
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