SBAS774B Data sheet

SBAS774B May 2016 – December 2021 ADC32RF80 , ADC32RF83

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RMP|72
- MPQF396A
RRH|72
- MPQF526

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Orderable Information

6.11 Typical Characteristics

typical values are specified at an ambient temperature of 25°C; minimum and maximum values are specified over an ambient temperature range of –40°C to +85°C; and ADC sampling rate = 2949.12 MSPS, DDC bypassed performance, 50% clock duty cycle, AVDD19 = 1.9 V, AVDD = DVDD = 1.15 V, –2-dBFS differential input, and 0-dB digital gain (unless otherwise noted)

SNR = 62.2 dBFS; SFDR = 68 dBc; HD2 = –68 dBc; HD3 = –73 dBc; non HD2, HD3 = 77 dBc; IL spur = 86 dBc; f_IN = 100 MHz

Figure 6-3 FFT for 100-MHz Input Frequency

SNR = 61.2 dBFS; SFDR = 66 dBc; HD2 = –77 dBc; HD3 = –66 dBc; non HD2, HD3 = 80 dBc; IL spur = 83 dBc; f_IN = 900 MHz

Figure 6-5 FFT for 900-MHz Input Signal

SNR = 59.1 dBFS; SFDR = 65 dBc; HD2 = –65 dBc; HD3 = –73 dBc; non HD2, HD3 = 73 dBc; IL spur = 76 dBc; f_IN = 1.7 GHz

Figure 6-7 FFT for 1780-MHz Input Signal

SNR = 58.2 dBFS; SFDR = 64 dBc; HD2 = –64 dBc; HD3 = –85 dBc; non HD2, HD3 = 73 dBc; IL spur = 74 dBc; f_IN = 2.1 GHz

Figure 6-9 FFT for 2100-MHz Input Signal

SNR = 56.9 dBFS; SFDR = 62 dBc; HD2 = –62 dBc; HD3 = –72 dBc; non HD2, HD3 = 72 dBc; IL spur = 64 dBc; f_IN = 2.6 GHz

Figure 6-11 FFT for 2600-MHz Input Signal

SNR = 54.2 dBFS; SFDR = 60 dBc; HD2 = –60 dBc; HD3 = –64 dBc; non HD2, HD3 = 71 dBc; IL spur = 80 dBc; f_IN = 3.5 GHz, A_IN = –3 dBFS with 2-dB gain

Figure 6-13 FFT for 3500-MHz Input Signal

f_IN1 = 900 MHz, f_IN2 = 950 MHz, A_IN = –8 dBFS, IMD = 79 dBFS

Figure 6-15 FFT for Two-Tone Input Signal (–8 dBFS)

f_IN1 = 900 MHz, f_IN2 = 950 MHz, A_IN = –8 dBFS, IMD = 75 dBFS

Figure 6-17 FFT for Two-Tone Input Signal (–8 dBFS, f_S = 2457.6 MSPS)

f_IN1 = 1.77 GHz, f_IN2 = 1.79 GHz, A_IN = –8 dBFS, IMD = 70 dBFS

Figure 6-19 FFT for Two-Tone Input Signal (–8 dBFS)

f_IN1 = 1.77 GHz, f_IN2 = 1.79 GHz, A_IN = –8 dBFS, IMD = 76 dBFS

Figure 6-21 FFT for Two-Tone Input Signal (–8 dBFS, f_S = 2457.6 MSPS)

f_IN1 = 1.8 MHz, f_IN2 = 2.6 GHz, A_IN = –8 dBFS, IMD = 71 dBFS

Figure 6-23 FFT for Two-Tone Input Signal (–8 dBFS)

f_IN1 = 2.09 GHz, f_IN2 = 2.1 GHz, A_IN = –8 dBFS, IMD = 76 dBFS

Figure 6-25 FFT for Two-Tone Input Signal (–8 dBFS, f_S = 2457.6 MSPS)

f_IN1 = 3.49 MHz, f_IN2 = 3.51 GHz, IMD = 66 dBFS, A_IN = –3 dBFS with 2-dB gain

Figure 6-27 FFT for Two-Tone Input Signal (–8 dBFS)

f_IN1 = 2.59 GHz, f_IN2 = 2.6 GHz, A_IN = –8 dBFS, IMD = 65 dBFS

Figure 6-29 FFT for Two-Tone Input Signal (–8 dBFS, f_S = 2457.6 MSPS)

f_IN1 = 1.77 GHz, f_IN2 = 1.79 GHz

Figure 6-31 Intermodulation Distortion vs. Input Amplitude (1770 MHz and 1790 MHz)

f_IN1 = 1.8 GHz, f_IN2 = 2.6 GHz, A_IN = –36 dBFS

Figure 6-33 Intermodulation Distortion vs. Input Amplitude (1800 MHz and 2600 MHz)

f_IN1 = 3.49 GHz, f_IN2 = 3.51 GHz with 2-dB digital gain

Figure 6-35 Intermodulation Distortion vs. Input Amplitude (3490 MHz and 3510 MHz)

A_OUT = –2 dBFS with 0-dB gain for f_IN less than 3 GHz, A_OUT = –3 dBFS with 2-dB gain for f_IN more than 3 GHz

Figure 6-37 Spurious-Free Dynamic Range vs. Input Frequency

A_OUT = –2 dBFS with 0-dB gain for f_IN less than 3 GHz, A_OUT = –3 dBFS with 2-dB gain for f_IN more than 3 GHz

Figure 6-39 IL Spur vs. Input Frequency

A_OUT = –2 dBFS with 0-dB gain for f_IN less than 3 GHz, A_OUT = –3 dBFS with 2-dB gain for f_IN more than 3 GHz

Figure 6-41 Signal-to-Noise Ratio vs. Input Frequency

f_IN = 1.78 GHz, A_IN = –2 dBFS

Figure 6-43 Signal-to-Noise Ratio vs. AVDD Supply and Temperature

f_IN = 3.5 GHz, A_IN = –3 dBFS with 2-dB digital gain

Figure 6-45 Signal-to-Noise Ratio vs. AVDD Supply and Temperature

f_IN = 1.78 GHz, A_IN = –2 dBFS

Figure 6-47 Signal-to-Noise Ratio vs. DVDD Supply and Temperature

f_IN = 3.5 GHz, A_IN = –3 dBFS with 2-dB digital gain

Figure 6-49 Signal-to-Noise Ratio vs. DVDD Supply and Temperature

f_IN = 1.78 GHz, A_IN = –2 dBFS

Figure 6-51 Signal-to-Noise Ratio vs. AVDD19 Supply and Temperature

f_IN = 3.5 GHz, A_IN = –3 dBFS with 2-dB digital gain

Figure 6-53 Signal-to-Noise Ratio vs. AVDD19 Supply and Temperature

f_IN = 1.78 GHz

Figure 6-55 HD2 Histogram at AVDD19 = 1.8 V

f_IN = 1.78 GHz

Figure 6-57 HD2 Histogram at AVDD19 = 2.0 V

f_IN = 3.5 GHz, A_IN = –3 dBFS with 2-dB digital gain

Figure 6-59 Performance vs. Amplitude

f_IN = 3.5 GHz, A_IN = –3 dBFS

Figure 6-61 Performance vs. Clock Amplitude

f_IN = 3.5 GHz, A_IN = –3 dBFS with 2-dB digital gain

Figure 6-63 Performance vs. Clock Duty Cycle

Figure 6-65 Power-Supply Rejection Ratio vs. Tone Frequency

f_IN = 1.8 GHz, A_OUT = –2 dBFS

Figure 6-67 Common-Mode Rejection Ratio vs. Tone Frequency

f_IN = 1.78 GHz, A_IN = –2 dBFS, f_S = 2949.12 MSPS, SNR = 61.6 dBFS, SFDR (includes IL) = 82 dBc

Figure 6-69 FFT in 6x Decimation (Complex Output)

f_IN = 1.78 GHz, A_IN = –2 dBFS, f_S = 2949.12 MSPS, SNR = 63 dBFS, SFDR (includes IL) = 82 dBc

Figure 6-71 FFT in 9x Decimation (Complex Output)

f_IN = 1.78 GHz, A_IN = –2 dBFS, f_S = 2949.12 MSPS, SNR = 63.7 dBFS, SFDR (includes IL) = 83 dBc

Figure 6-73 FFT in 12x Decimation (Complex Output)

f_IN = 1.78 GHz, A_IN = –2 dBFS, f_S = 2949.12 MSPS, SNR = 64 dBFS, SFDR (includes IL) = 83 dBc

Figure 6-75 FFT in 18x Decimation (Complex Output)

f_IN = 1.78 GHz, A_IN = –2 dBFS, f_S = 2949.12 MSPS, SNR = 64.4 dBFS, SFDR (includes IL) = 82 dBc

Figure 6-77 FFT in 24x Decimation (Complex Output)

SNR = 62.4 dBFS; SFDR = 71 dBc; HD2 = –71 dBc; HD3 = –83 dBc; non HD2, HD3 = 82 dBc; IL spur = 80 dBc; f_IN = 100 MHz

Figure 6-4 FFT for 100-MHz Input Signal (f_S = 2457.6 MSPS)

SNR = 62.1 dBFS; SFDR = 76 dBc; HD2 = –76 dBc; HD3 = –83 dBc; non HD2, HD3 = 82 dBc; IL spur = 83 dBc; f_IN = 900 MHz

Figure 6-6 FFT for 900-MHz Input Signal (f_S = 2457.6 MSPS)

SNR = 58 dBFS; SFDR = 69 dBc; HD2 = –69 dBc; HD3 = –75 dBc; non HD2, HD3 = 74 dBc; IL spur = 78 dBc; f_IN = 1.85 GHz

Figure 6-8 FFT for 1850-MHz Input Signal (f_S = 2457.6 MSPS)

SNR = 57.5 dBFS; SFDR = 70 dBc; HD2 = –70 dBc; HD3 = –81 dBc; non HD2, HD3 = 75 dBc; IL spur = 77 dBc; f_IN = 2.1 GHz

Figure 6-10 FFT for 2100-MHz Input Signal (f_S = 2457.6 MSPS)

SNR = 55.4 dBFS; SFDR = 60 dBc; HD2 = –60 dBc; HD3 = –67 dBc; non HD2, HD3 = 72 dBc; IL spur = 75 dBc; f_IN = 2.6 GHz

Figure 6-12 FFT for 2600-MHz Input Signal (f_S = 2457.6 MSPS)

SNR = 53.6 dBFS; SFDR = 47 dBc; HD2 = –50 dBc; HD3 = –47 dBc; non HD2, HD3 = 70 dBc; IL spur = 67 dBc; f_IN = 3.5 GHz, A_IN = –3 dBFS with 2-dB gain

Figure 6-14 FFT for 3500-MHz Input Signal (f_S = 2457.6 MSPS)

f_IN1 = 900 MHz, f_IN2 = 950 MHz, A_IN = –36 dBFS, IMD = 97 dBFS

Figure 6-16 FFT for Two-Tone Input Signal (–36 dBFS)

f_IN1 = 900 MHz, f_IN2 = 950 MHz, A_IN = –36 dBFS, IMD = 92 dBFS

Figure 6-18 FFT for Two-Tone Input Signal (–36 dBFS, f_S = 2457.6 MSPS)

f_IN1 = 1.77 GHz, f_IN2 = 1.790 GHz, A_IN = –36 dBFS, IMD = 97 dBFS

Figure 6-20 FFT for Two-Tone Input Signal (–36 dBFS)

f_IN1 = 1.77 GHz, f_IN2 = 1.790 GHz, A_IN = –36 dBFS, IMD = 96 dBFS

Figure 6-22 FFT for Two-Tone Input Signal (–36 dBFS, f_S = 2457.6 MSPS)

f_IN1 = 1.8 GHz, f_IN2 = 2.6 GHz, A_IN = –36 dBFS, IMD = 94 dBFS

Figure 6-24 FFT for Two-Tone Input Signal

f_IN1 = 2.09 MHz, f_IN2 = 2.1 GHz, A_IN = –36 dBFS, IMD = 94 dBFS

Figure 6-26 FFT for Two-Tone Input Signal (–36 dBFS, f_S = 2457.6 MSPS)

f_IN1 = 3.49 GHz, f_IN2 = 3.51 GHz, IMD = 92 dBFS, A_IN = –3 dBFS with 2-dB gain

Figure 6-28 FFT for Two-Tone Input Signal (–36 dBFS)

f_IN1 = 2.59 GHz, f_IN2 = 2.6 GHz, A_IN = –36 dBFS, IMD = 92 dBFS

Figure 6-30 FFT for Two-Tone Input Signal (–36 dBFS, f_S = 2457.6 MSPS)

f_IN1 = 1.77 GHz, f_IN2 = 1.79 GHz

Figure 6-32 Intermodulation Distortion vs. Input Amplitude (1770 MHz and 1790 MHz, f_S = 2457.6 MSPS)

f_IN1 = 2.09 GHz, f_IN2 = 2.1 GHz

Figure 6-34 Intermodulation Distortion vs. Input Amplitude (1800 MHz and 2600 MHz, f_S = 2457.6 MSPS)

f_IN1 = 2.59GHz, f_IN2 = 2.6 GHz

Figure 6-36 Intermodulation Distortion vs. Input Amplitude (3490 MHz and 3510 MHz, f_S = 2457.6 MSPS)

A_OUT = –2 dBFS with 0-dB gain for f_IN less than 3 GHz, A_OUT = –3 dBFS with 2-dB gain for f_IN more than 3 GHz

Figure 6-38 Spurious-Free Dynamic Range vs. Input Frequency (f_S = 2457.6 MSPS)

A_OUT = –2 dBFS with 0-dB gain for f_IN less than 3 GHz, A_OUT = –3 dBFS with 2-dB gain for f_IN more than 3 GHz

Figure 6-40 IL Spur vs. Input Frequency (f_S = 2457.6 MSPS)

A_OUT = –2 dBFS with 0-dB gain for f_IN less than 3 GHz, A_OUT = –3 dBFS with 2-dB gain for f_IN more than 3 GHz

Figure 6-42 Signal-to-Noise Ratio vs. Input Frequency (f_S = 2457.6 MSPS)

f_IN = 1.78 GHz, A_IN = –2 dBFS

Figure 6-44 Spurious-Free Dynamic Range vs. AVDD Supply and Temperature

f_IN = 3.5GHz, A_IN = –3 dBFS with 2-dB digital gain

Figure 6-46 Spurious-Free Dynamic Range vs. AVDD Supply and Temperature

f_IN = 1.78 GHz, A_IN = –2 dBFS

Figure 6-48 Spurious-Free Dynamic Range vs. DVDD Supply and Temperature

f_IN = 3.5 GHz, A_IN = –3 dBFS with 2-dB digital gain

Figure 6-50 Spurious-Free Dynamic Range vs. DVDD Supply and Temperature

f_IN = 1.78 GHz, A_IN = –2 dBFS

Figure 6-52 Spurious-Free Dynamic Range vs. AVDD19 Supply and Temperature

f_IN = 3.5 GHz, A_IN = –3 dBFS with 2-dB digital gain

Figure 6-54 Spurious-Free Dynamic Range vs. AVDD19 Supply and Temperature

f_IN = 1.78 GHz

Figure 6-56 HD2 Histogram at AVDD19 = 1.9 V

f_IN = 1.78 GHz, A_IN = –2 dBFS

Figure 6-58 Performance vs. Amplitude

f_IN = 1.78 GHz, A_IN = –2 dBFS

Figure 6-60 Performance vs. Clock Amplitude

f_IN = 1.78 GHz, A_IN = –2 dBFS

Figure 6-62 Performance vs. Clock Duty Cycle

f_IN = 3.5 GHz, A_IN = –3 dBFS, PSRR = 37 dB, f_PSRR = 3 MHz, A_PSRR = 50 mV_PP, AVDD = 1.9 V

Figure 6-64 Power-Supply Rejection Ratio FFT for Test Signal on AVDD Supply

CMRR = 32 dB, f_CMRR = 32 dB, A_PSRR = 50 mVPP

Figure 6-66 Common-Mode Rejection Ratio FFT

f_IN = 1.78 GHz, A_IN = –2 dBFS, f_S = 2949.12 MSPS, SNR = 60.6 dBFS, SFDR (includes IL) = 75 dBc

Figure 6-68 FFT in 4x Decimation (Complex Output)

f_IN = 1.78 GHz, A_IN = –2 dBFS, f_S = 2949.12 MSPS, SNR = 62.6 dBFS, SFDR (includes IL) = 86 dBc

Figure 6-70 FFT in 8x Decimation (Complex Output)

f_IN = 1.78 GHz, A_IN = –2 dBFS, f_S = 2949.12 MSPS, SNR = 63.3 dBFS, SFDR (includes IL) = 81 dBc

Figure 6-72 FFT in 10x Decimation (Complex Output)

f_IN = 1.78 GHz, A_IN = –2 dBFS, f_S = 2949.12 MSPS, SNR = 63.9 dBFS, SFDR (includes IL) = 83 dBc

Figure 6-74 FFT in 16x Decimation (Complex Output)

f_IN = 1.78 GHz, A_IN = –2 dBFS, f_S = 2949.12 MSPS, SNR = 64.4 dBFS, SFDR (includes IL) = 84 dBc

Figure 6-76 FFT in 20x Decimation (Complex Output)

f_IN = 1.78 GHz, A_IN = –2 dBFS, f_S = 2949.12 MSPS, SNR = 64.5 dBFS, SFDR (includes IL) = 79 dBc

Figure 6-78 FFT in 32x Decimation (Complex Output)