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ZHCSEA4C May 2015 – December 2020 ADS54J40

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RMP|72
- MPQF396A

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7.9 Typical Characteristics

Typical values are at T_A = 25°C, full temperature range is from T_MIN = –40°C to T_MAX = 85°C, ADC sampling rate = 1.0 GSPS, 50% clock duty cycle, AVDD3V = 3.0 V, AVDD = DVDD = 1.9 V, IOVDD = 1.15 V, and –1-dBFS differential input, unless otherwise noted.

SNR = 69.7 dBFS; SFDR = 85 dBc; IL spur = 86 dBc; non HD2, HD3 spur = 89 dBc

Figure 7-3 FFT for 10-MHz Input Signal

SNR = 68.9 dBFS; SFDR = 86 dBc; IL spur = 84 dBc; non HD2, HD3 spur = 89 dBc

Figure 7-5 FFT for 170-MHz Input Signal

SNR = 67.4 dBFS; SFDR = 77 dBc; IL spur = 83 dBc; non HD2, HD3 spur = 85 dBc

Figure 7-7 FFT for 300-MHz Input Signal

SNR = 66.5 dBFS; SFDR = 73 dBc; IL spur = 81 dBc; non HD2, HD3 spur = 88 dBc

Figure 7-9 FFT for 470-MHz Input Signal at –3 dBFS

f_IN1 = 185 MHz, f_IN2 = 190 MHz, each tone at –7 dBFS, IMD3 = 85 dBFS

Figure 7-11 FFT for Two-Tone Input Signal (–7 dBFS)

f_IN1 = 370 MHz, f_IN2 = 365 MHz, each tone at –7 dBFS, IMD3 = 80 dBFS

Figure 7-13 FFT for Two-Tone Input Signal (–7 dBFS)

f_IN1 = 470 MHz, f_IN2 = 465 MHz, each tone at –7 dBFS, IMD3 = 74.9 dBFS

Figure 7-15 FFT for Two-Tone Input Signal (–7 dBFS)

f_IN1 = 185 MHz, f_IN2 = 190 MHz

Figure 7-17 Intermodulation Distortion vs Input Tone Amplitude

f_IN1 = 465 MHz, f_IN2 = 470 MHz

Figure 7-19 Intermodulation Distortion vs Input Tone Amplitude

Figure 7-21 IL Spur vs Input Frequency

f_IN = 170 MHz

Figure 7-23 Signal-to-Noise Ratio vs AVDD Supply and Temperature

f_IN = 350 MHz

Figure 7-25 Signal-to-Noise Ratio vs AVDD Supply and Temperature

f_IN = 170 MHz

Figure 7-27 Signal-to-Noise Ratio vs DVDD Supply and Temperature

f_IN = 350 MHz

Figure 7-29 Signal-to-Noise Ratio vs DVDD Supply and Temperature

f_IN = 170 MHz

Figure 7-31 Signal-to-Noise Ratio vs AVDD3V Supply and Temperature

f_IN = 350 MHz

Figure 7-33 Signal-to-Noise Ratio vs AVDD3V Supply and Temperature

Figure 7-35 Signal-to-Noise Ratio vs Gain and Input Frequency

Figure 7-37 Maximum Supported Amplitude vs Frequency

f_IN = 350 MHz

Figure 7-39 Performance vs Input Amplitude

f_IN = 350 MHz

Figure 7-41 Performance vs Sampling Clock Amplitude

f_IN = 350 MHz

Figure 7-43 Performance vs Input Clock Duty Cycle

f_IN = 170 MHz , A_IN = –1 dBFS, SINAD = 65.7 dBFS, SFDR = 79 dBc, f_PSRR = 5 MHz, A_PSRR = 25 mV_PP, amplitude of f_IN – f_PSRR = –74 dBFS, amplitude of f_IN + f_PSRR = –76 dBFS

Figure 7-45 Power-Supply Rejection Ratio FFT for Test Signals on the AVDD Supply

f_IN = 170.1 MHz , A_IN = –1 dBFS, f_CMRR = 5 MHz, A_CMRR = 50 mV_PP, SINAD = 67.3 dBFS, SFDR = 85 dBc, amplitude of f_IN ± f_CMRR= –80 dBFS

Figure 7-47 Common-Mode Rejection Ratio FFT

Figure 7-49 Power vs Temperature

SNR = 72.5 dBFS, SFDR = 87 dBc

Figure 7-51 FFT for 170-MHz Input Signal in Decimate-by-4 Mode

SNR = 68.7 dBFS, SFDR = 83 dBc

Figure 7-53 FFT for 450-MHz Input Signal in Decimate-by-4 Mode

SNR = 67.6 dBFS, SFDR = 80 dBc

Figure 7-55 FFT for 350-MHz Input Signal in Decimate-by-2 Mode

SNR = 69.2 dBFS; SFDR = 86 dBc; IL spur = 85 dBc; non HD2, HD3 spur = 94 dBc

Figure 7-4 FFT for 140-MHz Input Signal

SNR = 68.1 dBFS; SFDR = 84 dBc; IL spur = 86 dBc; non HD2, HD3 spur = 86 dBc

Figure 7-6 FFT for 230-MHz Input Signal

SNR = 66.2 dBFS; SFDR = 72 dBc; IL spur = 84 dBc; non HD2, HD3 spur = 78 dBc

Figure 7-8 FFT for 370-MHz Input Signal

SNR = 65.3 dBFS; SFDR = 71 dBc; IL spur = 83 dBc; non HD2, HD3 spur = 89 dBFS

Figure 7-10 FFT for 720-MHz Input Signal at –6 dBFS

f_IN1 = 185 MHz, f_IN2 = 190 MHz, each tone at –36 dBFS, IMD3 = 103 dBFS

Figure 7-12 FFT for Two-Tone Input Signal (–36 dBFS)

f_IN1 = 370 MHz, f_IN2 = 365 MHz, each tone at –36 dBFS, IMD3 = 109 dBFS

Figure 7-14 FFT for Two-Tone Input Signal (–36 dBFS)

f_IN1 = 470 MHz, f_IN2 = 465 MHz, each tone at –36 dBFS, IMD3 = 109.2 dBFS

Figure 7-16 FFT for Two-Tone Input Signal (–36 dBFS)

f_IN1 = 365 MHz, f_IN2 = 370 MHz

Figure 7-18 Intermodulation Distortion vs Input Tone Amplitude

Figure 7-20 Spurious-Free Dynamic Range vs Input Frequency

Figure 7-22 Signal-to-Noise Ratio vs Input Frequency

f_IN = 170 MHz

Figure 7-24 Spurious-Free Dynamic Range vs AVDD Supply and Temperature

f_IN = 350 MHz

Figure 7-26 Spurious-Free Dynamic Range vs AVDD Supply and Temperature

f_IN = 170 MHz

Figure 7-28 Spurious-Free Dynamic Range vs DVDD Supply and Temperature

f_IN = 350 MHz

Figure 7-30 Spurious-Free Dynamic Range vs DVDD Supply and Temperature

f_IN = 170 MHz

Figure 7-32 Spurious-Free Dynamic Range vs AVDD3V Supply and Temperature

f_IN = 350 MHz

Figure 7-34 Spurious-Free Dynamic Range vs AVDD3V Supply and Temperature

Figure 7-36 Spurious-Free Dynamic Range vs Gain and Input Frequency

f_IN = 170 MHz

Figure 7-38 Performance vs Input Amplitude

f_IN = 170 MHz

Figure 7-40 Performance vs Sampling Clock Amplitude

f_IN = 170 MHz

Figure 7-42 Performance vs Input Clock Duty Cycle

f_IN = 170 MHz

Figure 7-44 Power-Supply Rejection Ratio vs Test Signal Frequency

f_IN = 170 MHz

Figure 7-46 Common-Mode Rejection Ratio vs Test Signal Frequency

Figure 7-48 Power Consumption vs Sampling Speed

SNR = 73.1 dBFS, SFDR = 88.6 dBc

Figure 7-50 FFT for 60-MHz Input Signal in Decimate-by-4 Mode

SNR = 71.1 dBFS, SFDR = 86 dBc

Figure 7-52 FFT for 300-MHz Input Signal in Decimate-by-4 Mode

SNR = 70.5 dBFS, SFDR = 86 dBc

Figure 7-54 FFT for 170-MHz Input Signal in Decimate-by-2 Mode