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TCM129C13 Datasheet(PDF) 7 Page - Texas Instruments |
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TCM129C13 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 25 page TCM29C13, TCM29C14, TCM29C16, TCM29C17, TCM129C13, TCM129C14, TCM129C16, TCM129C17 COMBINED SINGLE-CHIP PCM CODEC AND FILTER SCTS011H – APRIL 1986 – REVISED JULY 1996 7 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 gain and dynamic range, VCC = 5 V, VBB = 5 V, TA = 25°C (unless otherwise noted) (see Notes 4, 5, and 6) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Encoder milliwatt response (transmit gain tolerance) Signal input = 1.064 Vrms for µ-law, ±004 ±002 dBm0 Encoder milliwatt response (transmit gain tolerance) g µ , Signal input = 1.068 Vrms for A-law ±0.04 ±0.02 dBm0 Encoder milliwatt response additional tolerance (nominal supplies and temperature) TA = 0°C to 70°C, Supplies = ± 5% ± 0.08 dB Digital milliwatt response (receive tolerance gain) relative to zero-transmission-level point Signal input per CCITT G.711, Output signal = 1 kHz ±0.04 ±0.02 dBm0 Digital milliwatt response variation with temperature and supplies TA = 0°C to 70°C, Supplies = ± 5% ± 0.08 dB µ-law RL = 600 Ω 2.76 Zero-transmission-level point, transmit channel A-law RL = 600 Ω 2.79 dBm , (0 dBm0) µ-law RL = 900 Ω 1 dBm A-law RL = 900 Ω 1.03 µ-law RL = 600 Ω 5.76 Zero-transmission-level point, receive channel A-law RL = 600 Ω 5.79 dBm (0 dBm0) µ-law RL = 900 Ω 4 dBm A-law RL = 900 Ω 4.03 NOTES: 4. Unless otherwise noted, the analog input is a 0-dBm0, 1020-Hz sine wave, where 0 dBm0 is defined as the zero-reference point of the channel under test. This corresponds to an analog signal input of 1.064 Vrms or an output of 1.503 Vrms. 5. The input amplifier is set for noninverting unity gain. The digital input is a PCM bit stream generated by passing a 0-dBm0, 1020-Hz sine wave through an ideal encoder. 6. Receive output is measured single ended in the maximum gain configuration. To set the output amplifier for maximum gain, GSR is connected to PWRO – and the output is taken at PWRO+. All output levels are (sin x)/x corrected. gain tracking over recommended ranges of supply voltage and operating free-air temperature, reference level = –10 dBm0 PARAMETER TEST CONDITIONS MIN MAX UNIT 3 ≥ input level ≥ –40 dBm0 ±0.25 Transmit gain-tracking error, sinusoidal input – 40 > input level ≥ –50 dBm0 ±0.5 dB – 50 > input level ≥ –55 dBm0 ±1.2 3 ≥ input level ≥ –40 dBm0 ±0.25 Receive gain-tracking error, sinusoidal input – 40 > input level ≥ –50 dBm0 ±0.5 dB – 50 > input level ≥ –55 dBm0 ±1.2 |
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