ad1843jst Analog Devices, Inc., ad1843jst Datasheet - Page 61
ad1843jst
Manufacturer Part Number
ad1843jst
Description
Serial-port 16-bit Soundcomm Codec
Manufacturer
Analog Devices, Inc.
Datasheet
1.AD1843JST.pdf
(64 pages)
- Current page: 61 of 64
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REV. 0
–100
–110
Figure 38. AD1843 Resampler Mode Frequency Response Plots (Full-Scale Line-Level Inputs, 0 dB Gain)
Based on 48 kHz sample rate; other sample rates will show slightly different behavior. See the ”Specifica-
tions” section for performance limits. The DAC plots do not reflect the additional beneficial roll-off of
the AD1843 analog filters. Out-of-band images will be attenuated by an additional 31.4 dB at 100 kHz.
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–120
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–160
–180
–20
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0
0
0
0
4
32
b. DAC Resampler 0–384 kHz
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a. ADC Resampler Full
12
96
16
128
20
160
kHz
24
kHz
192
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224
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256
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288
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320 352
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48
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–0.005
–0.010
–0.015
–0.020
–0.025
–0.030
–0.035
–0.004
–0.008
–0.012
–0.016
–0.020
–0.024
–0.028
–0.032
–0.036
0.008
0.005
0.000
0.004
0.000
0
0
c. ADC Resampler Passband
d. DAC Resampler Passband
2
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kHz
kHz
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AD1843
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