EVAL-AD1871EBZ Datasheet, PDF (3/28 Pages) Analog Devices – Stereo Audio, 24-Bit, 96 kHz, Multibit
- ADC

AD1871–SPECIFICATIONS
TEST CONDITIONS UNLESS OTHERWISE NOTED
Supply Voltages . . . . . . . . . . . . . . . . . . . . . . 5.0 V
Ambient Temperature . . . . . . . . . . . . . . . . . 25∞C
Input Clock (f_CLKIN) [256 ¥ f_S] . . . . . . . . . . 12.288 MHz
Input Signal . . . . . . . . . . . . . . . . . . . . . . . . . 991.768 Hz
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 dB Full Scale (dBFS) (Differential, PGA/MUX Enabled)
Measurement Bandwidth . . . . . . . . . . . . . . . 23.2 Hz to 19.998 kHz
Word Width . . . . . . . . . . . . . . . . . . . . . . . . . 24 Bits
Load Capacitance on Digital Outputs . . . . . 100 pF
Input Voltage High (V_IH) . . . . . . . . . . . . . . . 2.4 V
Input Voltage Low (V_IL) . . . . . . . . . . . . . . . 0.8 V
Master Mode, Data I²S Justified
ANALOG PERFORMANCE
Parameter
RESOLUTION
DIFFERENTIAL INPUT
Dynamic Range
Unweighted
A-Weighted
Signal-to-Noise Ratio
Total Harmonic Distortion + Noise
(THD+N)
Multibit Modulator Only
Dynamic Range (A-Weighted)
SINGLE-ENDED INPUT
Dynamic Range
Unweighted
A-Weighted
Signal-to-Noise Ratio
Total Harmonic Distortion + Noise
(THD+N)
DIFFERENTIAL INPUT (BYPASS)
Dynamic Range
Unweighted
A-Weighted
Signal-to-Noise Ratio
Total Harmonic Distortion + Noise
(THD+N)
DIFFERENTIAL INPUT (f_S = 96 kHz)
Dynamic Range
Unweighted
A-Weighted
Signal-to-Noise Ratio
Total Harmonic Distortion + Noise
(THD+N)
Analog Inputs
Differential Input Range (± Full Scale)
Input Impedance (PGA/MUX)
Input Impedance (ByPass)
Input Impedance (PGA/MUX)
V_REF
DC Accuracy
Gain Error
Interchannel Gain Mismatch
Gain Drift
Crosstalk (EIAJ Method)
Min
Typ
Max
Unit
24
Bits
98
103
dB
100
105
dB
106
dB
–85
dB
–103
dB
102
dB
103
dB
105
dB
106
dB
–85
dB
–103
dB
103
dB
106
dB
106
dB
–86
dB
–104
dB
103
dB
106
dB
106
dB
–87
dB
–104
dB
–2.828
8
40
4
2.138 2.25
–10
–0.2
–0.01
100
–100
+2.828 V
kW
kW
kW
2.363 V
%
+0.2 dB
ppm/∞C
dB
Conditions
PGA/MUX Enabled
(20 Hz to 20 kHz, –60 dB Input)
Input = –0.5 dBFS
Input = –20 dBFS
Modulator Output @ 5.6448 MHz
PGA/MUX Enabled
(20 Hz to 20 kHz, –60 dB Input)
Input = –0.5 dBFS
Input = –20 dBFS
PGA/MUX Disabled
(20 Hz to 20 kHz, –60 dB Input)
Input = –0.5 dBFS
Input = –20 dBFS
PGA/MUX Enabled; AMC = 1
(20 Hz to 20 kHz, –60 dB Input)
Input = –0.5 dBFS
Input = –20 dBFS
Differential
Differential
Single Ended
REV. 0
–3–