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TEMPERATURE RANGE
Min
Typ
Max
Unit
°
C
°
C
°
C
Specifications Guaranteed
Functionality Guaranteed
Storage
+25
–
40
–
60
+85
+100
DIGITAL FILTER CHARACTERISTICS
Min
Typ
Max
Unit
Decimation Factor
Pass-Band Ripple
Stop-Band
*
Attenuation
48 kHz f
S
(at Recommended Crystal Frequencies)
Pass Band
Stop Band
44.1 kHz f
S
(at Recommended Crystal Frequencies)
Pass Band
Stop Band
32 kHz f
S
(at Recommended Crystal Frequencies)
Pass Band
Stop Band
Other f
S
Pass Band
Stop Band
Group Delay
Group Delay Variation
64
0.006
dB
dB
90
0
26.4
21.6
kHz
kHz
0
24.25
20
kHz
kHz
0
17.6
14.4
kHz
kHz
0
0.55
0.45
f
S
f
S
s
μ
s
36/f
S
0
*
Stop band repeats itself at multiples of 64
×
f
S
, where f
S
is the output word rate. Thus the digital filter will attenuate to 0 dB across the frequency spectrum except
for a range
±
0.55
×
f
S
wide at multiples of 64
×
f
S
.
Specifications subject to change without notice.
ABSOLUTE MAXIMUM RATINGS
Min
Typ
Max
Unit
DV
DD
1 to DGND1 and DV
DD
2 to DGND2
AV
DD
to AGND/AGNDL/AGNDR
Digital Inputs
Analog Inputs
AGND to DGND
Reference Voltage
Soldering (10 sec)
0
0
DGND
–
0.3
AGND
–
0.3
–
0.3
+6
+6
DV
DD
+ 0.3
AV
DD
+ 0.3
+0.3
V
V
V
V
V
Indefinite Short Circuit to Ground
+300
°
C
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection. Although
the AD1870 features proprietary ESD protection circuitry, permanent damage may occur on
devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are
recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
–4–
REV. A
ORDERING GUIDE
Package
Description
Package
Option
Model
Temperature
–
40
°
C to +85
°
C
–
40
°
C to +85
°
C
AD1870AR
SOIC
R-28
AD1870AR
–
REEL
SOIC
R-28 in 13
”
Reel (1000 pcs.)
EVAL-AD1870EB
Evaluation Board
AD1870
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