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TCM29C23 Datasheet(PDF) 7 Page - Texas Instruments |
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TCM29C23 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 20 page TCM29C23, TCM129C23 VARIABLE-FREQUENCY PCM OR DSP INTERFACE SCTS029A – AUGUST 1989 –REVISED JULY 1996 7 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 power-supply rejection and crosstalk attenuation over recommended ranges of supply voltage and operating free-air temperature PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VCC supply-voltage rejection ratio, 0 ≤ f < 30 kHz Idle channel, Supply signal 200 mV peak to peak –30 dB CC yg j , transmit channel 30 ≤ f < 50 kHz Supply signal = 200 mV peak to peak, f measured at PCM OUT –45 dB VBB supply-voltage rejection ratio, 0 ≤ f < 30 kHz Idle channel, Supply signal 200 mV peak to peak –30 dB BB yg j , transmit channel 30 ≤ f < 50 kHz Supply signal = 200 mV peak to peak, f measured at PCM OUT –55 dB VCC supply-voltage rejection ratio, receive 0 ≤ f < 30 kHz Idle channel, Supply signal 200 mV peak to peak –20 dB CC yg j , channel (single ended) 30 ≤ f < 50 kHz Supply signal = 200 mV peak to peak, f measured at PWRO + –45 dB VBB supply-voltage rejection ratio, receive 0 ≤ f < 30 kHz Idle channel, Supply signal 200 mV peak to peak –20 dB BB yg j , channel (single ended) 30 ≤ f < 50 kHz Supply signal = 200 mV peak to peak, Narrow-band, f measured at PWRO + –45 dB Crosstalk attenuation, transmit to receive (single ended) ANLG IN+ = 0 dBm0, f = 1.02 kHz, Unity gain, PCM IN = lowest decode level, Measured at PWRO + 68 dB Crosstalk attenuation, receive to transmit (single ended) PCM IN = 0 dBm0, f = 1.02 kHz, Measured at PCM OUT 68 dB † All typical values are at VBB = –5 V, VCC = 5 V, and TA = 25°C. distortion over recommended ranges of supply voltage and operating free-air temperature PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT T it i l t di t ti ti i id l i t 0 ≥ ANLG IN+ ≥ –30 dBm0 33 Transmit signal-to-distortion ratio, sinusoidal input (CCITT G 712 – Method 2) – 30 > ANLG IN+ ≥ –40 dBm0 28 dB (CCITT G.712 – Method 2) – 40 > ANLG IN+ ≥ –45 dBm0 23 R i i l t di t ti ti i id l i t 0 ≥ ANLG IN+ ≥ –30 dBm0 33 Receive signal-to-distortion ratio, sinusoidal input (CCITT G 712 – Method 2) – 30 > ANLG IN+ ≥ –40 dBm0 28 dB (CCITT G.712 – Method 2) – 40 > ANLG IN+ ≥ –45 dBm0 23 Transmit single-frequency distortion products AT&T Advisory #64 (3.8), Input signal = 0 dBm0 –40 dBm0 Receive single-frequency distortion products AT&T Advisory #64 (3.8), Input signal = 0 dBm0 –46 dBm0 † All typical values are at VBB = –5 V, VCC = 5 V, and TA = 25°C. transmit filter transfer over recommended ranges of supply voltage and operating free-air temperature, fDCLK = 4.096 MHz, FSX/FSR = 16 kHz (see Figure 1) PARAMETER TEST CONDITIONS MIN MAX UNIT 50 Hz –10 0 200 Hz –1 0.5 Input amplifier set for unity gain, 300 Hz to 6 kHz – 0.5 0.5 Gain relative to gain at 1.02 kHz In ut am lifier set for unity gain, Noninverting maximum gain output, 6.5 kHz –4 0.3 dB Input signal at ANLG IN + is 0 dBm0 6.8 kHz –6 0 8 kHz –12 9 kHz and above –30 |
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