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CY8C4248FNI-BL463 Fiches technique(PDF) 26 Page - Cypress Semiconductor |
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CY8C4248FNI-BL463 Fiches technique(HTML) 26 Page - Cypress Semiconductor |
26 / 47 page PRELIMINARY PSoC® 4: PSoC 4XX8_BLE Family Datasheet Document Number: 001-94624 Rev. *K Page 26 of 47 CSD Table 19. SAR ADC AC Specifications Spec ID# Parameter Description Min Typ Max Units Details/ Conditions SID167 A_psrr Power supply rejection ratio 70 – – dB Measured at 1-V reference SID168 A_cmrr Common mode rejection ratio 66 – – dB – SID169 A_samp Sample rate – – 1 Msps 806 ksps for PSoC 41X8_BLE devices SID313 Fsarintref SAR operating speed without external ref. bypass – – 100 ksps 12-bit resolution SID170 A_snr Signal-to-noise ratio (SNR) 65 – – dB Fin = 10 kHz SID171 A_bw Input bandwidth without aliasing – – A_samp/2 kHz – SID172 A_inl Integral non linearity. VDD = 1.71 to 5.5 V, 1 Msps –1.7 – 2 LSB Vref = 1 V to VDD SID173 A_INL Integral non linearity. VDDD = 1.71 to 3.6 V, 1 Msps –1.5 – 1.7 LSB Vref = 1.71 V to VDD SID174 A_INL Integral non linearity. VDD = 1.71 to 5.5 V, 500 ksps –1.5 – 1.7 LSB Vref = 1 V to VDD SID175 A_dnl Differential non linearity. VDD = 1.71 to 5.5 V, 1 Msps –1 – 2.2 LSB Vref = 1 V to VDD SID176 A_DNL Differential non linearity. VDD = 1.71 to 3.6 V, 1 Msps –1 – 2 LSB Vref = 1.71 V to VDD SID177 A_DNL Differential non linearity. VDD = 1.71 to 5.5 V, 500 ksps –1 – 2.2 LSB Vref = 1 V to VDD SID178 A_thd Total harmonic distortion – – –65 dB Fin = 10 kHz Table 20. CSD Block Specifications Spec ID# Parameter Description Min Typ Max Units Details/ Conditions SID179 VCSD Voltage range of operation 1.71 – 5.5 V – SID180 IDAC1 DNL for 8-bit resolution –1 – 1 LSB – SID181 IDAC1 INL for 8-bit resolution –3 – 3 LSB – SID182 IDAC2 DNL for 7-bit resolution –1 – 1 LSB – SID183 IDAC2 INL for 7-bit resolution –3 – 3 LSB – SID184 SNR Ratio of counts of finger to noise 5 – – Ratio Capacitance range of 9 to 35 pF, 0.1 pF sensitivity. Radio is not operating during the scan SID185 IDAC1_CRT1 Output current of IDAC1 (8 bits) in High range – 612 – µA – SID186 IDAC1_CRT2 Output current of IDAC1 (8 bits) in Low range – 306 – µA – SID187 IDAC2_CRT1 Output current of IDAC2 (7 bits) in High range – 305 – µA – SID188 IDAC2_CRT2 Output current of IDAC2 (7 bits) in Low range – 153 – µA – |
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