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ZHCSEU3E July 2014 – June 2022 ADC3221 , ADC3222 , ADC3223 , ADC3224

PRODUCTION DATA

封裝選項(xiàng)

機(jī)械數(shù)據(jù) (封裝 | 引腳)

RGZ|48
- MPQF123F

散熱焊盤機(jī)械數(shù)據(jù) (封裝 | 引腳)

RGZ|48
- QFND131R

訂購(gòu)信息

6.15 Typical Characteristics: ADC3221

Typical values are at T_A = 25°C, ADC sampling rate = 25 MSPS, 50% clock duty cycle, AVDD = 1.8 V, DVDD = 1.8 V, –1-dBFS differential input, 2-V_PP full-scale, 32k-point FFT, chopper disabled, and SNR reported with a 1-MHz offset from dc when chopper is disabled and from f_S / 2 when chopper is enabled (unless otherwise noted).

SFDR = 95.2 dBc, SNR = 71.2 dBFS, SINAD = 71.2 dBFS, THD = 94.1 dBc, HD2 = 106.0 dBc, HD3 = 95.2 dBc

Figure 6-1 FFT for 10-MHz Input Signal (Dither On)

SFDR = 91.6 dBc, SNR = 71.1 dBFS, SINAD = 71.1 dBFS, THD = 91 dBc, HD2 = 105.3 dBc, HD3 = 91.6 dBc

Figure 6-3 FFT for 70-MHz Input Signal (Dither On)

SFDR = 86.8 dBc, SNR = 70.2 dBFS, SINAD = 70.1 dBFS, THD = 84.8 dBc, HD2 = 89.9 dBc, HD3 = 86.8 dBc

Figure 6-5 FFT for 170-MHz Input Signal (Dither On)

SFDR = 75.7 dBc, SNR = 68.6 dBFS, SINAD = 67.8 dBFS, THD = 74.9 dBc, HD2 = 75.7 dBc, HD3 = 82.8 dBc

Figure 6-7 FFT for 270-MHz Input Signal (Dither On)

SFDR = 68.2 dBc, SNR = 66.6 dBFS, SINAD = 66.6 dBFS, THD = 92.7 dBc, HD2 = 68.2 dBc, HD3 = 87.8 dBc

Figure 6-9 FFT for 450-MHz Input Signal (Dither On)

f_IN1 = 46 MHz, f_IN2 = 50 MHz, IMD3 = 84 dBFS, each tone at –7 dBFS

Figure 6-11 FFT for Two-Tone Input Signal (–7 dBFS at 46 MHz and 50 MHz)

f_IN1 = 185 MHz, f_IN2 = 190 MHz, IMD3 = 91 dBFS, each tone at –7 dBFS

Figure 6-13 FFT for Two-Tone Input Signal (–7 dBFS at 185 MHz and 190 MHz)

Figure 6-15 Intermodulation Distortion vs Input Amplitude (46 MHz and 50 MHz)

Figure 6-17 Signal-to-Noise Ratio vs Input Frequency

Figure 6-19 Performance vs Input Amplitude (30 MHz)

Figure 6-21 Performance vs Input Common-Mode Voltage (30 MHz)

Figure 6-23 Spurious-Free Dynamic Range vs AVDD Supply and Temperature (30 MHz)

Figure 6-25 Spurious-Free Dynamic Range vs DVDD Supply and Temperature (30 MHz)

Figure 6-27 Performance vs Differential Clock Amplitude (40 MHz)

Figure 6-29 Performance vs Clock Duty Cycle (30 MHz)

SFDR = 90.4 dBc, SNR = 71.6 dBFS, SINAD = 71.5 dBFS, THD = 88.6 dBc, HD2 = 90.4 dBc, HD3 = 105.5 dBc

Figure 6-2 FFT for 10-MHz Input Signal (Dither Off)

SFDR = 90.6 dBc, SNR = 71.4 dBFS, SINAD = 71.3 dBFS, THD = 88.4 dBc, HD2 = 90.6 dBc, HD3 = 101.1 dBc

Figure 6-4 FFT for 70-MHz Input Signal (Dither Off)

SFDR = 88.2 dBc, SNR = 70.5 dBFS, SINAD = 70.4 dBFS, THD = 85.7 dBc, HD2 = 88.2 dBc, HD3 = 92.3 dBc

Figure 6-6 FFT for 170-MHz Input Signal (Dither Off)

SFDR = 75.3 dBc, SNR = 68.7 dBFS, SINAD = 67.7 dBFS, THD = 73.8 dBc, HD2 = 75.3 dBc, HD3 = 79.8 dBc

Figure 6-8 FFT for 270-MHz Input Signal (Dither Off)

SFDR = 68.2 dBc, SNR = 66.5 dBFS, SINAD = 66.5 dBFS, THD = 87.1 dBc, HD2 = 68.2 dBc, HD3 = 92.7 dBc

Figure 6-10 FFT for 450-MHz Input Signal (Dither Off)

f_IN1 = 46 MHz, f_IN2 = 50 MHz, IMD3 = 105 dBFS, each tone at –36 dBFS

Figure 6-12 FFT for Two-Tone Input Signal (–36 dBFS at 46 MHz and 50 MHz)

f_IN1 = 185 MHz, f_IN2 = 190 MHz, IMD3 = 105 dBFS, each tone at –36 dBFS

Figure 6-14 FFT for Two-Tone Input Signal (–36 dBFS at 185 MHz and 190 MHz)

Figure 6-16 Intermodulation Distortion vs Input Amplitude (185 MHz and 190 MHz)

Figure 6-18 Spurious-Free Dynamic Range vs Input Frequency

Figure 6-20 Performance vs Input Amplitude (170 MHz)

Figure 6-22 Performance vs Input Common-Mode Voltage (170 MHz)

Figure 6-24 Signal-to-Noise Ratio vs AVDD Supply and Temperature (30 MHz)

Figure 6-26 Signal-to-Noise Ratio vs DVDD Supply and Temperature (30 MHz)

Figure 6-28 Performance vs Differential Clock Amplitude (150 MHz)

Figure 6-30 Performance vs Clock Duty Cycle (150 MHz)