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SLAS366 数据表(PDF) 41 Page - Texas Instruments |
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SLAS366 数据表(HTML) 41 Page - Texas Instruments |
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41 / 58 page ![]() 5–5 5.7.4 DAC Channel Characteristics PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Dynamic range VI = 0 dB at 1020 Hz 92 dB Interchannel isolation 120 dB EG Gain error, 0 dB VO = 0 dB at 1020 Hz 0.5 dB Common mode voltage 1.35 V Idle channel narrow band noise 0 kHz–4 kHz, See Note 6 80 125 Vrms VOO Output offset voltage at OUT (differential) DIN = All zeros 10 mV VO Analog output voltage, (3.3 V) OUTP 0.35 2.35 V PO Maximum output power 600 Ω load at 3.3 V between OUTP1 and OUTM1 6.7 mW IIR Channel dela 5/fs s FIR Channel delay 18/fs s NOTE 6: The conversion rate is 8 kHz. 5.8 BIAS Amplifier Characteristics PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Output voltage 2.2 2.35 2.4 V Integrated noise 300 Hz–13 kHz 20 µV Offset voltage 10 mV Current drive 10 mA Unity gain bandwidth 1 MHz DC gain 140 dB 5.9 Power-Supply Rejection (see Note 7) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT AVDD Supply voltage rejection ratio analog supply (f 0 to f /2) at 1 kHz Differential 75 dB AVDD Supply-voltage rejection ratio, analog supply (f(j) = 0 to fs/2) at 1 kHz Single-ended 50 dB DVDD S ppl oltage rejection ratio DAC channel f 0 kH to 30 kH 95 dB DVDD Supply-voltage rejection ratio ADC channel f(j) = 0 kHz to 30 kHz 86 dB NOTE 7: Power supply rejection measurements are made with both the ADC and DAC channels idle and a 200 mV peak-to-peak signal applied to the appropriate supply. 5.10 Power Supply PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PD Power dissipation 11.2 16.5 mW I Total current Power down 3.4 5 mA I(t) Total current Power down 0.01 mA ADC 2 Analog DAC 1 mA IDD Supply current Analog Ref 0.4 mA DD y Digital All sections on 1.8 mA Digital Coarse sampling 1 mA |
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