AD1812 Datasheet, PDF (3/20 Pages) Analog Devices – SoundPort Controller

ANALOG-TO-DIGITAL CONVERTERS
Parameter
Min
Typ
Resolution
16
Dynamic Range (–60 dB Input THD+N Referenced to Full Scale,
80
86
A-Weighted)
THD+N (Referenced to Full Scale)
–78
Signal-to-Intermodulation Distortion* (CCIF Method)
80
ADC Crosstalk*
Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L)
–90
Line to MIC (Input LINE, Ground and Select MIC, Read ADC)
–90
Line to AUX1
–90
Line to AUX2
–90
Gain Error (Full-Scale Span Relative to Nominal Input Voltage)
Interchannel Gain Mismatch (Difference of Gain Errors)
ADC Offset Error
DIGITAL-TO-ANALOG CONVERTERS
Parameter
Min
Typ
Resolution
16
Dynamic Range (–60 dB Input THD+N Referenced to Full Scale,
74
81
A-Weighted)
THD+N (Referenced to Full Scale)
–77
Signal-to-Intermodulation Distortion* (CCIF Method)
Gain Error (Full-Scale Span Relative to Nominal Input Voltage)
Interchannel Gain Mismatch (Difference of Gain Errors)
DAC Crosstalk* (Input L, Zero R, Measure R_OUT; Input R,
–90
Zero L, Measure L_OUT)
Total Out-of-Band Energy (Measured from 0.6 × F_S to 100 kHz)*
Audible Out-of-Band Energy (Measured from 0.6 × F_S to 20 kHz)*
DAC ATTENUATOR
Parameter
Step Size (0 dB to –22.5 dB)
Step Size (–22.5 dB to –94.5 dB)*
Output Attenuation Range Span*
Mute Attenuation of 0 dB Fundamental*
DIGITAL MIX ATTENUATOR
Parameter
Step Size (0 dB to –22.5 dB)
Step Size (–22.5 dB to –94.5 dB)*
Digital Mix Attenuation Range Span*
*Guaranteed not tested.
Specifications subject to change without notice.
Min
Typ
1.3
1.5
1.0
1.5
93.5
94.5
Min
Typ
1.3
1.5
1.0
1.5
93.5
94.5
AD1812
Max
Units
Bits
dB
0.02
%
–74
dB
dB
–80
dB
–80
dB
–80
dB
–80
dB
± 10
%
± 0.5
dB
10
mV
Max
0.022
–73
90
± 15
± 0.5
–80
–60
–70
Units
Bits
dB
%
dB
dB
%
dB
dB
dB
dB
Max
Units
1.7
dB
2.0
dB
95.5
dB
80
dB
Max
Units
1.7
dB
2.0
dB
95.5
dB
REV. 0
–3–