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TCM29C13J Datasheet(PDF) 8 Page - Texas Instruments |
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TCM29C13J Datasheet(HTML) 8 Page - Texas Instruments |
8 / 25 page TCM29C13, TCM29C14, TCM29C16, TCM29C17, TCM129C13, TCM129C14, TCM129C16, TCM129C17 COMBINED SINGLE-CHIP PCM CODEC AND FILTER SCTS011H – APRIL 1986 – REVISED JULY 1996 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 noise over recommended ranges of supply voltage and operating free-air temperature range PARAMETER TEST CONDITIONS MIN MAX UNIT Transmit noise, C-message weighted ANLG IN+ = ANLG GND, ANLG IN – = GSX 15 dBrnC0 Transmit noise, C-message weighted with 8-bit- signaling (TCM29C14 and TCM129C14 only) ANLG IN+ = ANLG GND, ANLG IN – = GSX, 6th frame signaling 18 dBrnC0 Transmit noise, psophometrically weighted ANLG IN+ = ANLG GND, ANLG IN – = GSX –69 dBm0p Receive noise, C-message-weighted quiet code PCM IN = 11111111 ( µ-law), PCM IN = 10101010 (A-law), measured at PWRO + 11 dBrnC0 Receive noise, C-message-weighted sign bit toggled Input to PCM IN is zero code with sign bit toggled at 1-kHz rate 12 dBrmC0 Receive noise, psophometrically weighted PCM = lowest positive decode level –79 dBm0p power-supply rejection ratio 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(k t k) –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(k t k) –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, 0 ≤ f < 30 kHz Idle channel, Supply signal = 200 mV(k t k) –20 dB CC yg j , receive 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, 0 ≤ f < 30 kHz Idle channel, Supply signal = 200 mV(k t k) –20 dB BB yg j , receive 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+ 71 dB Crosstalk attenuation, receive to transmit (single ended) PCM IN = 0 dBm0, f = 1.02 kHz, Measured at PCM OUT 71 dB † All typical values are at VBB = –5 V, VCC = 5 V, and TA = 25°C. |
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