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UPSD3422EB40U6 데이터시트(PDF) 277 Page - STMicroelectronics |
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UPSD3422EB40U6 데이터시트(HTML) 277 Page - STMicroelectronics |
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277 / 300 page ![]() Obsolete Product(s) - Obsolete Product(s) Obsolete Product(s) - Obsolete Product(s) UPSD3422, UPSD3433, UPSD3434, UPSD3454 DC and AC parameters 277/300 Table 217. External clock drive Symbol Parameter Variable oscillator 1/tCLCL = 3 to 40 MHz Unit Min Max tCLCL Oscillator period 25 333 ns tCHCX High time 10 tCLCL – tCLCX ns tCLCX Low time 10 tCLCL – tCLCX ns tCLCH Rise time 10 ns tCHCL Fall time 10 ns Table 218. A/D analog specification Symbol Parameter Test conditions(1) 1. fIN 2kHz, ACLK = 8MHz, AVREF = AVCC = 3.3 V. Min. Typ. Max. Unit IDD Normal Input = AVREF 4.0 mA Power-down 40 µA AVIN Analog input voltage GND AVREF V AVREF (2) (3) 2. AVREF = AVCC in 52-pin package. 3. If the A/D converter is not used, connect AVCC/AVREF to VCC. Analog reference voltage 3.6 V Accuracy Resolution 10 bits INL Integral nonlinearity Input = 0 to AVREF (V) fOSC ≤32MHz ±2 LSB DNL Differential nonlinearity Input = 0 to AVREF (V) fOSC ≤32MHz ±2 LSB SNR Signal to noise ratio fSAMPLE = 500ksps 50 54 dB SNDR Signal to noise distortion ratio 48 52 dB ACLK ADC clock 2 8 16 MHz tC Conversion time 8MHz 1 4 8 µs tCAL Power-up time Calibration Time 16 ms fIN Analog input frequency 60 kHz THD Total harmonic distortion 50 54 dB Table 219. USB transceiver specification Symbol Parameter Test conditions(1) Min. Typ. Max. Unit UVOH High output voltage VDD = 3.3 V; IOUT = 2.2mA 3– V UVOL Low output voltage VDD = 3.3 V; IOUT = 2.2mA –0.25 V UVIH High input voltage VDD = 3.6 V 2 – V Obsolete Product(s) - Obsolete Product(s) |
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