Analog Devices AD1849K, Руководство пользователя

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ANALOG-TO-DIGITAL CONVERTERS
Min Typ Max Units
Resolution* 16 Bits
ADC Dynamic Range, A-Weighted 78 83 dB
Line and Mic with 0 dB Gain (–60 dB Input,
THD+N Referenced to Full Scale)
Mic with +20 dB Gain (–60 dB Input, 72 74 dB
THD+N Referenced to Full Scale)
ADC THD+N, (Referenced to Full Scale)
Line and Mic with 0 dB Gain 0.013 0.020 %
–78 –74 dB
Mic with +20 dB Gain 0.032 0.056 %
–70 –65 dB
ADC Crosstalk
Line to Line (Input L, Ground R, –80 dB
Read R; Input R, Ground L, Read L)
Line to Mic (Input LINL & R, –60 dB
Ground and Select MINL & R,
Read Both Channels)
Gain Error (Full-Scale Span Relative to Nominal) 0.75 dB
ADC Interchannel Gain Mismatch (Line and Mic) 0.3 dB
(Difference of Gain Errors)
DIGITAL-TO-ANALOG CONVERTERS
Min Typ Max Units
Resolution* 16 Bits
DAC Dynamic Range
(–60 dB Input, THD+N Referenced 80 86 dB
to Full Scale)
DAC THD+N (Referenced to Full Scale)
Line 0 and 1 (10 k
Ω
Load) 0.010 0.020 %
–80 –74 dB
Line 1 (48
Ω
Load) 0.022 0.100 %
–73 –60 dB
Mono Speaker (48
Ω
Load) 0.045 0.100 %
–67 –60 dB
DAC Crosstalk (Input L, Zero R, Measure –80 dB
LOUT0R & 1R; Input R, Zero L,
Measure LOUT0L & 1L)
Gain Error (Full-Scale Span Relative to Nominal) 0.75 dB
DAC Interchannel Gain Mismatch (Line 0 and 1) 0.3 dB
(Difference of Gain Errors)
Total Out-of-Band Energy* –60 dB
(Measured from 0.55
×
F
S
to 100 kHz)
Audible Out-of-Band Energy* –72 dB
(Measured from 0.55 F
S
to 22 kHz,
All Selectable Sampling Frequencies)
*Guaranteed, not tested.
AD1849K
REV. 0
–3–