Texas Instruments SRC4382 Evaluation Module (EVM) and USB motherboard SRC4382EVM-PDK SRC4382EVM-PDK 데이터 시트
제품 코드
SRC4382EVM-PDK
www.ti.com
SBFS030C – JANUARY 2006 – REVISED SEPTEMBER 2007
ELECTRICAL CHARACTERISTICS: General, SRC, DIR, and DIT (continued)
All specifications are at T
A
= +25C, VDD18 = +1.8V, VDD33 = +3.3V, VIO = +3.3V, and VCC = +3.3V, unless otherwise noted.
SRC4382
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Total Harmonic Distortion + Noise (THD+N)
(2)
BW = 22Hz to f
SOUT
/2,
f = 997Hz at 0dBFS
f
SIN
:f
SOUT
= 12kHz:192kHz
–125
dB
f
SIN
:f
SOUT
= 44.1kHz:44.1kHz
–125
dB
f
SIN
:f
SOUT
= 44.1kHz:48kHz
–125
dB
f
SIN
:f
SOUT
= 44.1kHz:96kHz
–125
dB
f
SIN
:f
SOUT
= 44.1kHz:192kHz
–125
dB
f
SIN
:f
SOUT
= 48kHz:44.1kHz
–125
dB
f
SIN
:f
SOUT
= 48kHz:48kHz
–125
dB
f
SIN
:f
SOUT
= 48kHz:96kHz
–125
dB
f
SIN
:f
SOUT
= 48kHz:192kHz
–125
dB
f
SIN
:f
SOUT
= 96kHz:44.1kHz
–125
dB
f
SIN
:f
SOUT
= 96kHz:48kHz
–125
dB
f
SIN
:f
SOUT
= 96kHz:96kHz
–125
dB
f
SIN
:f
SOUT
= 96kHz:192kHz
–125
dB
f
SIN
:f
SOUT
= 192kHz:12kHz
–125
dB
f
SIN
:f
SOUT
= 192kHz:44.1kHz
–125
dB
f
SIN
:f
SOUT
= 192kHz:48kHz
–125
dB
f
SIN
:f
SOUT
= 192kHz:96kHz
–125
dB
f
SIN
:f
SOUT
= 192kHz:192kHz
–125
dB
Digital Interpolation Filter Characteristics
Passband
0.4535
נ
f
SIN
Hz
Passband Ripple
0.007
dB
Transition Band
0.4535
נ
f
SIN
0.5465
נ
f
SIN
Hz
Stop Band
0.5465
נ
f
SIN
Hz
Stop Band Attenuation
–125
dB
Group Delay (64 samples pre-buffered)
Decimation filter enabled
102.53125/f
SIN
Seconds
Group Delay (64 samples pre-buffered)
Direct down-sampling enabled
102/f
SIN
Seconds
Group Delay (32 samples pre-buffered)
Decimation filter enabled
70.53125/f
SIN
Seconds
Group Delay (32 samples pre-buffered)
Direct down-sampling enabled
70/f
SIN
Seconds
Group Delay (16 samples pre-buffered)
Decimation filter enabled
54.53125/f
SIN
Seconds
Group Delay (16 samples pre-buffered)
Direct down-sampling enabled
54/f
SIN
Seconds
Group Delay (8 samples pre-buffered)
Decimation filter enabled
46.53125/f
SIN
Seconds
Group Delay (8 samples pre-buffered)
Direct down-sampling enabled
46/f
SIN
Seconds
Digital Decimation Filter Characteristics
Passband
0.4535
נ
f
SOUT
Hz
Passband Ripple
0.008
dB
Transition Band
0.4535
נ
f
SOUT
0.5465
נ
f
SOUT
Hz
Stop Band
0.5465
נ
f
SOUT
Hz
Stop Band Attenuation
–125
dB
Group Delay
Decimation filter enabled
36.46875/f
SOUT
Seconds
Group Delay
Direct down-sampling enabled
0
Seconds
Digital De-Emphasis Filter Characteristics
Filter Error for All Settings
De-emphasis filter enabled
0.001
dB
(2)
Measured with an Audio Precision SYS-2722 192kHz test system with the input and output sampling frequencies asynchronous to one
another.
another.
Copyright © 2006–2007, Texas Instruments Incorporated
5
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