
REV. 0
–4–
AD1871–SPECIFICATIONS
LOW-PASS DIGITAL FILTER CHARACTERISTICS (fS = 48 kHz)
Parameter
Min
Typ
Max
Unit
Decimation Factor
128
Pass-Band Frequency
21.77
kHz
Stop-Band Frequency
26.23
kHz
Pass-Band Ripple
±0.01
dB
Stop-Band Attenuation
120
dB
Group Delay
910
ms
LOW-PASS DIGITAL FILTER CHARACTERISTICS (fS = 96 kHz)
Parameter
Min
Typ
Max
Unit
Decimation Factor
64
Pass-Band Frequency
43.54
kHz
Stop-Band Frequency
52.46
kHz
Pass-Band Ripple
±0.01
dB
Stop-Band Attenuation
120
dB
Group Delay
460
ms
HIGH-PASS DIGITAL FILTER CHARACTERISTICS (fS = 48 kHz)
Parameter
Min
Typ
Max
Unit
Cutoff Frequency
2
Hz
HIGH-PASS DIGITAL FILTER CHARACTERISTICS (fS = 96 kHz)
Parameter
Min
Typ
Max
Unit
Cutoff Frequency
4
Hz
MASTER CLOCK (MCLK) AND RESET TIMING
Mnemonic
Description
Min
Typ
Max
Unit
Comment
tMCH
MCLK High Width
20
ns
tMCL
MCLK Low Width
20
ns
tPDR
RESET Low Pulsewidth
20
ns
MCLK
tMCH
tMCL
tPDR
RESET
Figure 1. MCLK/
RESET Timing