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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TLV320AIC21 датащи(PDF) 9 Page - Texas Instruments |
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TLV320AIC21 датащи(HTML) 9 Page - Texas Instruments |
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9 / 56 page  www.ti.com DAC CHANNEL CHARACTERISTICS OUTPUT AMPLIFIER CHARACTERISTICS BIAS AMPLIFIER CHARACTERISTICS POWER-SUPPLY REJECTION (1) TLV320AIC20, TLV320AIC21 TLV320AIC24, TLV320AIC25 TLV320AIC20K, TLV320AIC24K SLAS363D – MARCH 2002 – REVISED APRIL 2005 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Dynamic range VI = 0 dB at 1020 Hz 92 dB Interchannel isolation 90 dB EG Gain error, 0 dB VO = 0 dB at 1020 Hz -0.7 dB Mute attenuation PGA = Mute 90 dB Common-mode voltage 1.35 V Idle channel narrow band noise 0 - 4 kHz (1) 40 V rms Output offset voltage at OUTP1_150 VOO DIN = All zeros ±8 V (differential) VO Analog output voltage, (3.3 V) HDSO+ 0.35 2.35 V IIR 5/fs s Channel delay FIR 18/fs s (1) The conversion rate is 8 kHz. AIC20/21/24/25/20k/24k PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SPEAKER INTERFACE (1) Speaker output power 250 mW VCC = 3.3 V, fully differential, 8- Ω load Maximum output current 250 mA HANDSET AND HEADSET INTERFACE Speaker output power 13 mW VCC = 3.3 V, fully differential, 150- Ω load Maximum output current 13 mA LINE INTERFACE Speaker output power 3.5 mW VCC = 3.3 V, fully differential, 600- Ω load Maximum output current 3.5 mA (1) The speaker driver is valid only for the AIC20/21/20k. AIC20/21/24/25/20k/24k PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VO Output voltage 1.35/2.35 V Integrated noise 300 Hz – 13 KHz 20 µV VS Offset voltage 10 mV Current drive 5 mA Unity gain bandwith 1 MHz DC gain 90 dB PSRR 70 dB PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Supply-voltage rejection ratio, analog supply AVDD Differential 75 (fj = 0 to fs/2 ) (1) Power supply rejection measurements are made with both the ADC and the DAC channels idle and a 200 mV peak-to-peak signal applied to the appropriate supply. 9 |
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