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STAC9752A Datasheet(PDF) 14 Page - Integrated Device Technology |
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STAC9752A Datasheet(HTML) 14 Page - Integrated Device Technology |
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14 / 106 page  STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK PC AUDIO IDT™ 14 STAC9752A/9753A V 1.5 1206 AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK 2.1.6. STAC9753A Analog Performance Characteristics (Tambient = 25ºC, AVdd = 5.0V±5%, DVdd = 3.3V±5%, AVss = DVss = 0V; 1KHzinputsinewave; SampleFrequency = 48KHz; 0dB = 1Vrms, 10K Ω/ 50pFload, Testbench Characterization BW:20Hz–20KHz, 0dB settings on all gain stages) Note: 1. With +30 dB Boost on, 1.0Vrms with Boost off 2. Ratio of Full Scale signal to idle channel noise output is measured “A weighted” over a 20 Hz to a 20 KHz bandwidth. (AES17-1991 Idle Channel Noise or EIAJ CP-307 Signal-to-noise Ratio).0 dB gain, 20 KHz BW, 48 KHz Sample Frequency± 1 dB limits 3. ± 1dB limits for Line Output & 0 dB gain Parameter Min Typ Max Unit Full Scale Input Voltage: All Analog Inputs except Mic - 1.0 - Vrms Mic Inputs (Note 1) - 0.03 - Vrms Full Scale Output: Line Output - 0.5 - Vrms PCM (DAC) to LINE_OUT 0.5 Vrms MONO_OUT - 0.5 - Vrms HEADPHONE_OUT (32 Ω load) (peak) - 12.5 - mW Analog S/N: (Note 2) CD to LINE_OUT - 93 - dB Other to LINE_OUT - 93 - dB D/A to LINE_OUT - 91 - dB LINE_IN to A/D with High pass filter enabled - 85 - dB Analog Frequency Response (Note 3) 20 - 20,000 Hz Total Harmonic Distortion: (Note 4) CD to LINE_OUT - 93 - dB Other to LINE_OUT - 93 - dB D/A to LINE_OUT (full scale) - 84 - dB LINE_IN to A/D with High pass filter enabled - 84 - dB HEADPHONE_OUT 74 80 - dB A/D & D/A Digital Filter Pass Band (Note 5) 20 - 19,200 Hz A/D & D/A Digital Filter Transition Band 19,200 - 28,800 Hz A/D & D/A Digital Filter Stop Band 28,800 - - Hz A/D & D/A Digital Filter Stop Band Rejection (Note 6) 100 - - dB DAC Out-of-Band Rejection (Note 7) 55 - - dB Group Delay (48KHz sample rate) - - 1 ms Any Analog Input to LINE_OUT Crosstalk (10KHz Signal Frequency) 70 - - dB Any Analog Input to LINE_OUT Crosstalk (1KHz Signal Frequency) - 100 - dB Spurious Tone Rejection - 100 - dB Attenuation, Gain Step Size - 1.5 - dB Input Impedance (Note 8) - 50 - K Ω Input Capacitance - 15 - pF VREFout - 0.5 x AVdd - V Interchannel Gain Mismatch ADC - - 0.5 dB Interchannel Gain Mismatch DAC - - 0.5 dB Gain Drift - 100 - ppm/ºC |
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