ZHCSOT2C 数据表 | 德州仪器 TI.com.cn

ZHCSOT2C january 2022 – may 2023 AFE7906

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6.11.3 RX Typical Characteristics 1.75GHz to 1.9GHz

Typical values at T_A = +25°C, ADC Sampling Rate = 2949.12 GHz. Default conditions: output sample rate = 491.52MSPS (decimate by 6), PLL clock mode with f_REF = 491.52MHz, A_IN = –3 dBFS, DSA setting = 4 dB.

With 1.8 GHz matching, normalized to 1.75 GHz

Figure 6-81 RX In-Band Gain Flatness, f_IN = 1750 MHz

With 2.6 GHz matching, normalized to phase at 25°C

Figure 6-83 RX Input Phase vs Temperature and DSA at f_IN = 1.75 GHz

With 1.8 GHz matching
Differential Amplitude Error = P_IN(DSA Setting – 1) – P_IN(DSA Setting) + 1

Figure 6-85 RX Calibrated Differential Amplitude Error vs DSA Setting at 1.75 GHz

With 1.8 GHz matching
Integrated Amplitude Error = P_IN(DSA Setting) – P_IN(DSA Setting = 0) + (DSA Setting)

Figure 6-87 RX Calibrated Integrated Amplitude Error vs DSA Setting at 1.75 GHz

With 1.8 GHz matching
Differential Phase Error = Phase_IN(DSA Setting – 1) – Phase_IN(DSA Setting)

Figure 6-89 RX Calibrated Differential Phase Error vs DSA Setting at 1.75 GHz

With 1.8 GHz matching
Integrated Phase Error = Phase(DSA Setting) – Phase(DSA Setting = 0)

Figure 6-91 RX Calibrated Integrated Phase Error vs DSA Setting at 1.75 GHz

With 1.8 GHz matching, 12.5-MHz offset from tone

Figure 6-93 RX Noise Spectral Density vs Temperature at 1.75 GHz

With 1.8 GHz matching, 12.5-MHz offset from tone

Figure 6-95 RX Noise Spectral Density vs Input Amplitude and Channel at 1.75 GHz

With 1.8 GHz matching, tone spacing = 20 MHz, DSA = 4 dB

Figure 6-97 RX IMD3 vs Input Level and Temperature at 1.75 GHz

With 1.8 GHz matching, f_in = 1900MHz, measured after HD2 trim, DDC bypass mode (TI only mode for characterization)

Figure 6-99 RX HD2 vs DSA Setting and Channel at 1.9 GHz

With 1.8 GHz matching, f_in = 1900MHz, measured after HD2 trim, DDC bypass mode (TI only mode for characterization)

Figure 6-101 RX HD2 vs Input Amplitude and Channel at 1.9 GHz

With 1.8 GHz matching, f_in = 1900MHz, DDC bypass mode (TI only mode for characterization)

Figure 6-103 RX HD3 vs DSA Setting and Channel at 1.9 GHz

With 1.8 GHz matching, f_in = 1900MHz, DDC bypass mode (TI only mode for characterization)

Figure 6-105 RX HD3 vs Input Level and Channel at 1.9 GHz

With 1.8 GHz matching, decimated by 3

Figure 6-107 RX In-Band SFDR (±400 MHz) vs Input Amplitude at 1.75 GHz

With 1.8 GHz matching, –7 dBFS each tone, 20-MHz tone spacing, all supplies at MIN, TYP, or MAX recommended operating voltages

Figure 6-109 RX IMD3 vs Supply and Channel at 1.75 GHz

With 1.8 GHz matching, normalized to fullscale at 25°C for each channel

Figure 6-82 RX Input Fullscale vs Temperature and Channel at 1.75 GHz

With 1.8 GHz matching
Differential Amplitude Error = P_IN(DSA Setting – 1) – P_IN(DSA Setting) + 1

Figure 6-84 RX Uncalibrated Differential Amplitude Error vs DSA Setting at 1.75 GHz

With 1.8 GHz matching
Integrated Amplitude Error = P_IN(DSA Setting) – P_IN(DSA Setting = 0) + (DSA Setting)

Figure 6-86 RX Uncalibrated Integrated Amplitude Error vs DSA Setting at 1.75 GHz

With 1.8 GHz matching
Differential Phase Error = Phase_IN(DSA Setting – 1) – Phase_IN(DSA Setting)

Figure 6-88 RX Uncalibrated Differential Phase Error vs DSA Setting at 1.75 GHz

With 1.8 GHz matching
Integrated Phase Error = Phase(DSA Setting) – Phase(DSA Setting = 0)

Figure 6-90 RX Uncalibrated Integrated Phase Error vs DSA Setting at 1.75 GHz

With 1.8 GHz matching, f_IN = 2610 MHz, A_IN= –3 dBFS

Figure 6-92 RX Output FFT at 1.75 GHz

With 1.8 GHz matching, DSA Setting = 12 dB, 12.5-MHz offset from tone

Figure 6-94 RX Noise Spectral Density vs Input Amplitude and Temperature at 1.75 GHz

With 1.8 GHz matching, each tone –7 dBFS, tone spacing = 20 MHz

Figure 6-96 RX IMD3 vs DSA Setting and Temperature at 1.75 GHz

With 1.8 GHz matching, tone spacing = 20 MHz, DSA = 12 dB

Figure 6-98 RX IMD3 vs Input Level and Temperature at 1.75 GHz

With 1.8 GHz matching, f_in = 1900MHz, measured after HD2 trim, DDC bypass mode (TI only mode for characterization)

Figure 6-100 RX HD2 vs DSA Setting and Temperature at 1.9 GHz

With 1.8 GHz matching, f_in = 1900MHz, measured after HD2 trim, DDC bypass mode (TI only mode for characterization)

Figure 6-102 RX HD2 vs Input Amplitude and Temperature at 1.9 GHz

With 1.8 GHz matching, f_in = 1900MHz, DDC bypass mode (TI only mode for characterization)

Figure 6-104 RX HD3 vs DSA Setting and Temperature at 1.9 GHz

With 1.8 GHz matching, f_in = 1900MHz, DDC bypass mode (TI only mode for characterization)

Figure 6-106 RX HD3 vs Input Level and Temperature at 1.9 GHz

With 1.8 GHz matching

Figure 6-108 RX Non-HD2/3 vs DSA Setting at 1.75 GHz

With 1.8 GHz matching, 12.5-MHz offset, all supplies at MIN, TYP, or MAX recommended operating voltages

Figure 6-110 RX Noise Spectral Density vs Supply and Channel at 1.75 GHz