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TLV321AC37 Datasheet(PDF) 9 Page - Texas Instruments |
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TLV321AC37 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 23 page TLV321AC36, TLV321AC37 3-V VOICE-BAND AUDIO PROCESSORS (VBAP ™) SLWS085 – APRIL 1999 9 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended ranges of supply voltage and free-air temperature (unless otherwise noted) (continued) receive idle channel noise and distortion, companded mode with µ-law or A-law selected, over recommended ranges of supply voltage and operating free-air temperature (see Note 9) PARAMETER TEST CONDITIONS MIN MAX UNIT Receive noise, psophometrically weighted DIN = 11010101 (A-law) –72 dB0p Receive noise, C-message weighted DIN = 11111111 ( µ-law) 8 dBrnc0 DIN to EARA and EARB at 0 dBm0 to – 18 dBm0 36 DIN to EARA and EARB at – 19 dBm0 to – 24 dBm0 34 Receive signal-to-distortion ratio with sine-wave input DIN to EARA and EARB at – 25 dBm0 to – 30 dBm0 30 dB DIN to EARA and EARB at – 31 dBm0 to – 38 dBm0 23 DIN to EARA and EARB at – 39 dBm0 to – 45 dBm0 17 NOTE 9. Receive output is measured differentially in the maximum gain configuration. To set the output amplifier for maximum gain, EARGS is connected to EARB and the output is taken between EARA and EARB. All output levels are (sin x)/x corrected. receive idle channel noise and distortion, linear mode selected, over recommended ranges of supply voltage and operating free-air temperature (see Notes 9 and 12) PARAMETER TEST CONDITIONS MIN MAX UNIT Receive noise DIN = 00000000 200 µVrms DIN to EARA and EARB at 0 dBm0 to – 12 dBm0 40 DIN to EARA and EARB at – 13 dBm0 to – 18 dBm0 38 Receive signal-to-distortion ratio with sine-wave input DIN to EARA and EARB at – 19 dBm0 to – 24 dBm0 32 dB DIN to EARA and EARB at – 25 dBm0 to – 40 dBm0 18 DIN to EARA and EARB at – 41 dBm0 to – 45 dBm0 15 Intermodulation, 2-tone CCITT distortion method, CCITT G.712 (7.1), R2 50 dB composite power level – 13 dBm0 CCITT G.712 (7.2), R3 54 dB NOTES: 9. Receive output is measured differentially in the maximum gain configuration. To set the output amplifier for maximum gain, EARGS is connected to EARB and the output is taken between EARA and EARB. All output levels are (sin x)/x corrected. 12. Receive noise, linear mode: 200 µVrms is equivalent to –71 dB (referenced to device 0-dB level). power supply rejection and crosstalk attenuation over recommended ranges of supply voltage and operating free-air temperature PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT Supply voltage rejection, transmit channel Idle channel, supply signal = 100 mVrms, f = 0 to 30 kHz (measured at DOUT) –30 dB Supply voltage rejection, receive channel Idle channel, supply signal = 100 mVrms, EARGS connected to EARB, f = 0 to 30 kHz (measured differentially between EARA and EARB) –30 dB Crosstalk attenuation, transmit-to-receive (differential) MICIN = 0 dB, f = 1.02 kHz, unity transmit gain, EARGS connected to EARB, measured differentially between EARA and EARB 50 dB Crosstalk attenuation, receive-to-transmit DIN = 0 dBm0, f = 1.02 kHz, unity transmit gain, measured at DOUT 50 dB † All typical values are at VCC = 3 V, TA = 25°C. |
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