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AD1981HDJSTZ-REEL bảng dữ liệu(PDF) 5 Page - Analog Devices |
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AD1981HDJSTZ-REEL bảng dữ liệu(HTML) 5 Page - Analog Devices |
5 / 16 page AD1981HD Rev. 0 | Page 5 of 16 Table 4. Programmable Gain Amplifier—ADC Parameter Min Typ Max Unit STEP SIZE 1.5 dB PGA GAIN RANGE SPAN 0.0 22.5 dB Table 5. Analog Mixer—Input Gain/Amplifiers/Attenuators Parameter Min Typ Max Unit SIGNAL-TO-NOISE RATIO (SNR) Line In to Line Out 85 dB Microphone In to Line Out1 80 dB STEP SIZE: ALL MIXER INPUTS (Except PC BEEP) 1.5 dB STEP SIZE: PC BEEP 3.0 dB INPUT GAIN RANGE: ALL MIXER INPUTS (Except PC BEEP) −34.5 +12.0 dB DIGITAL PC BEEP −45.0 0.0 dB 1 Guaranteed by design; not production tested. Table 6. Digital Decimation and Interpolation Filters1 Parameter Min Typ Max Unit PASS BAND 0 0.4 × FS Hz PASS-BAND RIPPLE ±0.09 dB TRANSITION BAND 0.4 × FS 0.6 × FS Hz STOP BAND 0.6 × FS ∞ Hz STOP-BAND REJECTION −74 dB GROUP DELAY 16/FS sec GROUP DELAY VARIATION OVER PASS BAND 0 μs 1 Guaranteed by design; not production tested. Table 7. Analog-to-Digital Converters Parameter Min Typ Max Unit RESOLUTION 20 Bits TOTAL HARMONIC DISTORTION (THD) −95 dB DYNAMIC RANGE (−60 dB Input, THD + N Referenced to Full Scale, A-Weighted) −85 dB CROSSTALK: LINE INPUTS (Input L, Ground R, Read R; Input R, Ground L, Read L) −80 dB CROSSTALK: LINE INPUTS AND OTHER INPUTS −100 −80 dB GAIN ERROR (Full-Scale Span Relative to Nominal Input Voltage) ±10 % INTERCHANNEL GAIN MISMATCH (Difference of Gain Errors) ±0.5 dB ADC OFFSET ERROR ±5 mV Table 8. Digital-to-Analog Converters Parameter Min Typ Max Unit RESOLUTION 24 Bits TOTAL HARMONIC DISTORTION (Line Out) −92 dB TOTAL HARMONIC DISTORTION (Headphone Out) −75 dB DYNAMIC RANGE (−60 dB Input, THD + N Referenced to Full Scale, A-Weighted) 90 dB GAIN ERROR (Full-Scale Span Relative to Nominal Input Voltage) ±10 % INTERCHANNEL GAIN MISMATCH (Difference of Gain Errors) ±0.7 dB DAC CROSSTALK1 (Input L, Zero R, Read R Out; Input R, Zero L, Read L Out) −80 dB 1 Guaranteed by design; not production tested. |
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