Typical values are at TA = 25°C, ADC sampling rate = 125 MSPS, 50% clock duty cycle, AVDD = 1.8 V, DVDD = 1.8 V, –1-dBFS differential input, 2-VPP full-scale, 32k-point FFT, chopper disabled, and SNR reported with a 1-MHz offset from dc when chopper is disabled and from fS / 2 when chopper is enabled (unless otherwise noted).
![FFT for 10 MHz Input Signal (Chopper On, Dither On) GUID-514AF0B0-D33D-4847-8747-221436285471-low.gif](/ods/images/SBAS672E/GUID-514AF0B0-D33D-4847-8747-221436285471-low.gif)
SFDR = 101.1 dBc, SNR = 70.6 dBFS, SINAD = 70.6 dBFS, THD = 97.6 dBc, HD2 = 107.0 dBc, HD3 = 106.0 dBc |
Figure 6-91 FFT for 10 MHz Input Signal (Chopper On, Dither On)![FFT for 70-MHz Input Signal (Dither On) GUID-C189C1B7-7D4A-40AE-B17C-495627B20716-low.gif](/ods/images/SBAS672E/GUID-C189C1B7-7D4A-40AE-B17C-495627B20716-low.gif)
SFDR = 99.2 dBc, SNR = 70.5 dBFS, SINAD = 70.5 dBFS, THD = 94.8 dBc, HD2 = 102.9 dBc, HD3 = 99.2 dBc |
Figure 6-93 FFT for 70-MHz Input Signal (Dither On)![FFT for 170-MHz Input Signal (Dither On) GUID-3FD40655-CF2C-4B65-BA00-BD8D2065BC53-low.gif](/ods/images/SBAS672E/GUID-3FD40655-CF2C-4B65-BA00-BD8D2065BC53-low.gif)
SFDR = 93.6 dBc, SNR = 70.0 dBFS, SINAD = 70.0 dBFS, THD = 91.4 dBc, HD2 = 93.6 dBc, HD3 = 101.3 dBc |
Figure 6-95 FFT for 170-MHz Input Signal (Dither On)![FFT for 270-MHz Input Signal (Dither On) GUID-B7348DD5-27F5-4281-955D-34A3D74521BF-low.gif](/ods/images/SBAS672E/GUID-B7348DD5-27F5-4281-955D-34A3D74521BF-low.gif)
SFDR = 76.2 dBc, SNR = 69.4 dBFS, SINAD = 68.6 dBFS, THD = 74.9 dBc, HD2 = 76.2 dBc, HD3 = 81.2 dBc |
Figure 6-97 FFT for 270-MHz Input Signal (Dither On)![FFT for 450-MHz Input Signal (Dither On) GUID-CC7AEB89-D99D-45F2-A098-F7F66EC22C31-low.gif](/ods/images/SBAS672E/GUID-CC7AEB89-D99D-45F2-A098-F7F66EC22C31-low.gif)
SFDR = 75.5 dBc, SNR = 67.4 dBFS, SINAD = 66.7 dBFS, THD = 73.8 dBc, HD2 = 75.5 dBc, HD3 = 78.7 dBc |
Figure 6-99 FFT for 450-MHz Input Signal (Dither On)![FFT for Two-Tone Input Signal (–7 dBFS at 46 MHz and 50 MHz) GUID-65D26029-4FF4-494C-8CDC-DBC80CBFFAE1-low.gif](/ods/images/SBAS672E/GUID-65D26029-4FF4-494C-8CDC-DBC80CBFFAE1-low.gif)
fIN1 = 46 MHz, fIN2 = 50 MHz, IMD3 = 88 dBFS, each tone at –7 dBFS |
Figure 6-101 FFT for Two-Tone Input Signal (–7 dBFS at 46 MHz and 50 MHz)![FFT for Two-Tone Input Signal (–7 dBFS at 185 MHz and 190 MHz) GUID-BF1CABDB-C9D6-4AC7-A3AC-AED34047D35E-low.gif](/ods/images/SBAS672E/GUID-BF1CABDB-C9D6-4AC7-A3AC-AED34047D35E-low.gif)
fIN1 = 185 MHz, fIN2 = 190 MHz, IMD3 = 87.5 dBFS, each tone at –7 dBFS |
Figure 6-103 FFT for Two-Tone Input Signal (–7 dBFS at 185 MHz and 190 MHz)
Figure 6-105 Intermodulation Distortion vs Input Amplitude (46 MHz and 50 MHz)
Figure 6-107 Signal-to-Noise Ratio vs Input Frequency
Figure 6-109 Performance vs Input Amplitude (30 MHz)
Figure 6-111 Performance vs Input Common-Mode Voltage (30 MHz)
Figure 6-113 Spurious-Free Dynamic Range vs AVDD Supply and Temperature (170 MHz)
Figure 6-115 Spurious-Free Dynamic Range vs DVDD Supply and Temperature (170 MHz)
Figure 6-117 Performance vs Differential Clock Amplitude (40 MHz)
Figure 6-119 Performance vs Clock Duty Cycle (30 MHz)![FFT for 10-MHz Input Signal (Chopper On, Dither Off) GUID-1D24352F-6AB9-440E-9731-4D984EC6CCDD-low.gif](/ods/images/SBAS672E/GUID-1D24352F-6AB9-440E-9731-4D984EC6CCDD-low.gif)
SFDR = 90.6 dBc, SNR = 70.9 dBFS, SINAD = 70.8 dBFS, THD = 86 dBc, HD2 = 91.8 dBc, HD3 = 90.6 dBc |
Figure 6-92 FFT for 10-MHz Input Signal (Chopper On, Dither Off)![FFT for 70-MHz Input Signal (Dither Off) GUID-4E0E25A5-4C4B-4728-9976-F4CB42FFEAE1-low.gif](/ods/images/SBAS672E/GUID-4E0E25A5-4C4B-4728-9976-F4CB42FFEAE1-low.gif)
SFDR = 91.1 dBc, SNR = 70.8 dBFS, SINAD = 70.8 dBFS, THD = 86.8 dBc, HD2 = 91.1 dBc, HD3 = 95.1 dBc |
Figure 6-94 FFT for 70-MHz Input Signal (Dither Off)![FFT for 170 MHz Input Signal (Dither Off) GUID-4C4955B0-2A08-4C8B-91F7-CCC2AA383AB8-low.gif](/ods/images/SBAS672E/GUID-4C4955B0-2A08-4C8B-91F7-CCC2AA383AB8-low.gif)
SFDR = 90.6 dBc, SNR = 70.5 dBFS, SINAD = 70.4 dBFS, THD = 87.8 dBc, HD2 = 98.6 dBc, HD3 = 90.6 dBc |
Figure 6-96 FFT for 170 MHz Input Signal (Dither Off)![FFT for 270-MHz Input Signal (Dither Off) GUID-D7662819-EB1C-49B8-8CC5-75B5E22E607E-low.gif](/ods/images/SBAS672E/GUID-D7662819-EB1C-49B8-8CC5-75B5E22E607E-low.gif)
SFDR = 76.1 dBc, SNR = 69.7 dBFS, SINAD = 68.8 dBFS, THD = 74.9 dBc, HD2 = 76.1 dBc, HD3 = 81.5 dBc |
Figure 6-98 FFT for 270-MHz Input Signal (Dither Off)![FFT for 450-MHz Input Signal (Dither Off) GUID-9CE883DC-0FCC-4852-ADDA-7558430D574A-low.gif](/ods/images/SBAS672E/GUID-9CE883DC-0FCC-4852-ADDA-7558430D574A-low.gif)
SFDR = 75.2 dBc, SNR = 68 dBFS, SINAD = 67.0 dBFS, THD = 72.5 dBc, HD2 = 76.5 dBc, HD3 = 75.2 dBc |
Figure 6-100 FFT for 450-MHz Input Signal (Dither Off)![FFT for Two-Tone Input Signal (–36 dBFS at 46 MHz and 50 MHz) GUID-DD679592-BE2F-412E-AD3A-7AD4DE770DDA-low.gif](/ods/images/SBAS672E/GUID-DD679592-BE2F-412E-AD3A-7AD4DE770DDA-low.gif)
fIN1 = 46 MHz, fIN2 = 50 MHz, IMD3 = 105 dBFS, each tone at –36 dBFS |
Figure 6-102 FFT for Two-Tone Input Signal (–36 dBFS at 46 MHz and 50 MHz)![FFT for Two-Tone Input Signal (–36 dBFS at 185 MHz and 190 MHz) GUID-92FAC4D3-3746-4782-A48C-B2EABB6A44E0-low.gif](/ods/images/SBAS672E/GUID-92FAC4D3-3746-4782-A48C-B2EABB6A44E0-low.gif)
fIN1 = 185 MHz, fIN2 = 190 MHz, IMD3 = 96.5 dBFS, each tone at –36 dBFS |
Figure 6-104 FFT for Two-Tone Input Signal (–36 dBFS at 185 MHz and 190 MHz)
Figure 6-106 Intermodulation Distortion vs Input Amplitude (185 MHz and 190 MHz)
Figure 6-108 Spurious-Free Dynamic Range vs Input Frequency
Figure 6-110 Performance vs Input Amplitude (170 MHz)
Figure 6-112 Performance vs Input Common-Mode Voltage (170 MHz)
Figure 6-114 Signal-to-Noise Ratio vs AVDD Supply and Temperature (170 MHz)
Figure 6-116 Signal-to-Noise Ratio vs DVDD Supply and Temperature (170 MHz)
Figure 6-118 Performance vs Differential Clock Amplitude (150 MHz)
Figure 6-120 Performance vs Clock Duty Cycle (150 MHz)