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LM15851NKE10 Folha de dados(PDF) 11 Page - Texas Instruments |
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LM15851NKE10 Folha de dados(HTML) 11 Page - Texas Instruments |
11 / 87 page LM15851 www.ti.com SLAS990D – JANUARY 2014 – REVISED JULY 2015 Electrical Characteristics (continued) Unless otherwise noted, these specifications apply for V(VA12) = V(VD12) = 1.2 V, V(VA19) = 1.9 V, VIN full scale range at default setting (725 mVPP), VIN = –1 dBFS, differential AC-coupled sinewave input clock, ƒ(DEVCLK) = 4 GHz at 0.5 VPP with 50% duty cycle, R(RBIAS) = 3.3 kΩ ±0.1%, after a foreground (FG) mode calibration with timing calibration enabled. Typical values are at TA = 25°C. (1)(2) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT TA = 25°C –73 Interleaving spur at ¼ TA = TMIN to TMAX –58.9 FIN = 600 MHz, –1 dBFS, decimate-by-4 ƒS/4 + FIN sampling rate + input dBFS mode TA = 25°C, calibration = BG –65 frequency (4) TA = TMIN to TMAX, calibration = BG –52.8 TA = 25°C –78 Interleaving spur at ¼ TA = TMIN to TMAX –60.4 FIN = 600 MHz, –1 dBFS, Decimate-by-4 ƒS/4 – FIN sampling rate – input dBFS mode TA = 25°C, calibration = BG –65 frequency (4) TA = TMIN to TMAX, calibration = BG –52.3 TA = 25°C –70 TA = TMIN to TMAX –59.5 FIN = 600 MHz, –1 dBFS, decimate-by-4 THD Total harmonic distortion (4) dBFS mode TA = 25°C, calibration = BG –73 TA = TMIN to TMAX, calibration = BG –60 TA = 25°C –83 TA = TMIN to TMAX –62 FIN = 600 MHz, –1 dBFS, decimate-by-4 HD2 Second harmonic distortion (4) dBFS mode TA = 25°C, calibration = BG –78 TA = TMIN to TMAX, calibration = BG –62.5 TA = 25°C –72 TA = TMIN to TMAX –59.5 FIN = 600 MHz, –1 dBFS, decimate-by-4 HD3 Third harmonic distortion (4) dBFS mode TA = 25°C, calibration = BG –82 TA = TMIN to TMAX, calibration = BG –62 DECIMATE-BY-8 MODE 63 Signal-to-noise ratio, FIN = 600 MHz, –1 dBFS, decimate-by-8 integrated across DDC output mode SNR1 Calibration = BG 61.6 dBFS bandwidth Interleaving spurs included FIN = 2400 MHz, –1 dBFS, decimate-by-8 mode 54.6 Signal-to-noise ratio, 63.3 integrated across DDC output FIN = 600 MHz, –1 dBFS, decimate-by-8 SNR2 dBFS bandwidth mode (3) Calibration = BG 63.3 Interleaving spurs excluded 63 Signal-to-noise and distortion FIN = 600 MHz, –1 dBFS, Decimate-by-8 ratio, integrated across DDC mode SINAD1 Calibration = BG 61.6 dBFS output bandwidth Interleaving spurs included FIN = 2400 MHz, –1 dBFS, decimate-by-8 mode 54.6 Signal-to-noise and distortion 63.3 ratio, integrated across DDC FIN = 600 MHz, –1 dBFS, decimate-by-8 SINAD2 dBFS output bandwidth mode (3) Calibration = BG 63.3 Interleaving spurs excluded 10.2 Effective number of bits, FIN = 600 MHz, –1 dBFS, decimate-by-8 integrated across DDC output mode ENOB1 Calibration = BG 10.0 Bits bandwidth Interleaving spurs included FIN = 2400 MHz, –1 dBFS, decimate-by-8 mode 8.8 Effective number of bits, 10.2 FIN = 600 MHz, –1 dBFS, decimate-by-8 integrated across DDC output ENOB2 Bits bandwidth mode (5) Calibration = BG 10.2 Interleaving spurs excluded 74.9 Spurious-free dynamic range FIN = 600 MHz, –1 dBFS, decimate-by-8 SFDR1 dBFS Interleaving Spurs Included mode Calibration = BG 68.3 77.8 FIN = 600 MHz, –1 dBFS, decimate-by-8 Spurious-free dynamic range SFDR2 dBFS Interleaving spurs excluded mode (5) Calibration = BG 77.8 –73 Interleaving offset spur at ½ FIN = 600 MHz, –1 dBFS, decimate-by-8 ƒS/2 dBFS sampling rate (4) mode Calibration = BG –72 –70 Interleaving offset spur at ¼ FIN = 600 MHz, –1 dBFS, decimate-by-8 ƒS/4 dBFS sampling rate (4) mode Calibration = BG –66 Interleaving spur at ½ –76 FIN = 600 MHz, –1 dBFS, decimate-by-8 ƒS/2 – FIN sampling rate – input dBFS mode Calibration = BG –67 frequency (4) Interleaving spur at ¼ –72 FIN = 600 MHz, –1 dBFS, decimate-by-8 ƒS/4 + FIN sampling rate + input dBFS mode Calibration = BG –64 frequency (4) Copyright © 2014–2015, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: LM15851 |
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