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CY8C53 数据表(PDF) 84 Page - Cypress Semiconductor |
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CY8C53 数据表(HTML) 84 Page - Cypress Semiconductor |
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84 / 106 page ![]() PRELIMINARY PSoC® 5: CY8C53 Family Datasheet Document Number: 001-66237 Rev. *A Page 84 of 106 11.5.8 Mixer The mixer is created using a SC/CT analog block; see the Mixer component data sheet in PSoC Creator for full electrical specifications and APIs. 11.5.9 Transimpedance Amplifier The TIA is created using a SC/CT analog block; see the TIA component data sheet in PSoC Creator for full electrical specifications and APIs. Table 11-30. Mixer DC Specifications Parameter Description Conditions Min Typ Max Units VOS Input offset voltage – – 20 mV Quiescent current – 0.9 2 mA G Gain – 0 – dB Table 11-31. Mixer AC Specifications Parameter Description Conditions Min Typ Max Units fLO Local oscillator frequency Down mixer mode – – 4 MHz fin Input signal frequency Down mixer mode – – 14 MHz fLO Local oscillator frequency Up mixer mode – – 1 MHz fin Input signal frequency Up mixer mode – – 1 MHz SR Slew rate 3 – – V/µs Note 30. Conversion resistance values are not calibrated. Calibrated values and details about calibration are provided in PSoC Creator component data sheets. External precision resistors can also be used. Table 11-32. Transimpedance Amplifier (TIA) DC Specifications Parameter Description Conditions Min Typ Max Units VIOFF Input offset voltage – – 20 mV Rconv Conversion resistance[30] R = 20K; 40 pF load –25 – +35 % R = 30K; 40 pF load –25 – +35 % R = 40K; 40 pF load –25 – +35 % R = 80K; 40 pF load –25 – +35 % R = 120K; 40 pF load –25 – +35 % R = 250K; 40 pF load –25 – +35 % R= 500K; 40 pF load –25 – +35 % R = 1M; 40 pF load –25 – +35 % Quiescent current – 1.1 2 mA Table 11-33. Transimpedance Amplifier (TIA) AC Specifications Parameter Description Conditions Min Typ Max Units BW Input bandwidth (–3 dB) R = 20K; 40 pF load 1500 – – kHz R = 120K; 40 pF load 300 – – kHz R = 1M; 40 pF load 46 – – kHz [+] Feedback |
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