AD1934 查看數據表（PDF） - Analog Devices
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AD1934 Datasheet PDF : 28 Pages
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AD1934
DIGITAL FILTERS
Table 6.
Parameter
DAC INTERPOLATION FILTER
Pass Band
Pass-Band Ripple
Transition Band
Stop Band
Stop-Band Attenuation
Group Delay
Mode
48 kHz mode, typ @ 48 kHz
96 kHz mode, typ @ 96 kHz
192 kHz mode, typ @ 192 kHz
48 kHz mode, typ @ 48 kHz
96 kHz mode, typ @ 96 kHz
192 kHz mode, typ @ 192 kHz
48 kHz mode, typ @ 48 kHz
96 kHz mode, typ @ 96 kHz
192 kHz mode, typ @ 192 kHz
48 kHz mode, typ @ 48 kHz
96 kHz mode, typ @ 96 kHz
192 kHz mode, typ @ 192 kHz
48 kHz mode, typ @ 48 kHz
96 kHz mode, typ @ 96 kHz
192 kHz mode, typ @ 192 kHz
48 kHz mode, typ @ 48 kHz
96 kHz mode, typ @ 96 kHz
192 kHz mode, typ @ 192 kHz
Factor
0.4535 fS
0.3646 fS
0.3646 fS
Min Typ
22
35
70
0.5 fS
24
0.5 fS
48
0.5 fS
96
0.5465 fS
26
0.6354 fS
61
0.6354 fS
122
70
70
70
25/fS
521
11/fS
115
8/fS
42
TIMING SPECIFICATIONS
−40°C < TA < +130°C, DVDD = 3.3 V ± 10%.
Table 7.
Parameter
INPUT MASTER CLOCK (MCLK) AND RESET
tMH
Condition
MCLK duty cycle
tMH
fMCLK
fMCLK
tPDR
tPDRR
PLL
Lock Time
256 fS VCO Clock, Output Duty Cycle
MCLKO Pin
SPI PORT
tCCH
tCCL
fCCLK
tCDS
tCDH
tCLS
tCLH
tCLHIGH
tCOE
tCOD
tCOH
tCOTS
MCLK frequency
RST low
RST recovery
MCLK and LRCLK input
CCLK high
CCLK low
CCLK frequency
CDATA setup
CDATA hold
CLATCH setup
CLATCH hold
CLATCH high
COUT enable
COUT delay
COUT hold
COUT tri-state
Comments
DAC clock source = PLL clock @ 256 fS, 384 fS,
512 fS, 768 fS
DAC clock source = direct MCLK @ 512 fS
(bypass on-chip PLL)
PLL mode, 256 fS reference
Direct 512 fS mode
Reset to active output
See Figure 9
fCCLK = 1/tCCP, only tCCP shown in Figure 9
To CCLK rising
From CCLK rising
To CCLK rising
From CCLK falling
Not shown in Figure 9
From CCLK falling
From CCLK falling
From CCLK falling, not shown in Figure 9
From CCLK falling
Rev. 0 | Page 6 of 28
Max
Unit
kHz
kHz
kHz
±0.01 dB
±0.05 dB
±0.1
dB
kHz
kHz
kHz
kHz
kHz
kHz
dB
dB
dB
μs
μs
μs
Min Max Unit
40 60 %
40 60 %
6.9 13.8 MHz
27.6 MHz
15
ns
4096
tMCLK
10 ms
40 60 %
35
ns
35
ns
10 MHz
10
ns
10
ns
10
ns
10
ns
10
ns
30 ns
30 ns
30
ns
30 ns
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