Datasheet

SRC4190
SBFS023B
3
www.ti.com
SRC4190
PARAMETER CONDITION MIN TYP MAX UNITS
DYNAMIC PERFORMANCE
(1)
Resolution 24 Bits
Input Sampling Frequency f
SIN
4 212 kHz
Output Sampling Frequency f
SOUT
4 212 kHz
Input: Output Sampling Ratio
Upsampling 1:16
Downsampling 16:1
Dynamic Range BW = 20Hz to f
SOUT
/2, –60dBFS Input
f
IN
= 1kHz, Unweighted
(add 3dB to spec for A-weighted result)
44.1kHz:48kHz 125 dB
48kHz:44.1kHz 125 dB
48kHz:96kHz 125 dB
44.1kHz:192kHz 125 dB
96kHz:48kHz 125 dB
192kHz:12kHz 125 dB
192kHz:32kHz 125 dB
192kHz:48kHz 125 dB
32kHz:48kHz 125 dB
12kHz:192kHz 125 dB
Total Harmonic Distortion + Noise BW = 20Hz to f
SOUT
/2, 0dBFS Input
f
IN
= 1kHz, Unweighted
44.1kHz:48kHz –125 dB
48kHz:44.1kHz –125 dB
48kHz:96kHz –125 dB
44.1kHz:192kHz –125 dB
96kHz:48kHz –125 dB
192kHz:12kHz –125 dB
192kHz:32kHz –125 dB
192kHz:48kHz –125 dB
32kHz:48kHz –125 dB
12kHz:192kHz –125 dB
Interchannel Gain Mismatch 0dB
Interchannel Phase Deviation 0 Degrees
Mute Attenuation 24-Bit Word Length, A-weighted –128 dB
DIGITAL INTERPOLATION FILTER
CHARACTERISTICS
Passband 0.4535 x f
SIN
Hz
Passband Ripple ±0.007 dB
Transition Band 0.4535 x f
SIN
0.5465 x f
SIN
Hz
Stop Band 0.5465 x f
SIN
Hz
Stop Band Attenuation –125 dB
Normal Group Delay (LGRP = 0) 102.53125/f
SIN
Seconds
Low Group Delay (LGRP = 1) 70.53125/f
SIN
Seconds
DIGITAL DECIMATION FILTER
CHARACTERISTICS
Passband 0.4535 x f
SOUT
Hz
Passband Ripple ±0.008 dB
Transition Band 0.4535 x f
SOUT
0.5465 x f
SOUT
Hz
Stop Band 0.5465 x f
SOUT
Hz
Stop Band Attenuation –125 dB
Group Delay 36.46875/f
SOUT
Seconds
DIGITAL I/O CHARACTERISTICS
High-Level Input Voltage V
IH
0.7 x V
IO
V
IO
V
Low Level Input Voltage V
IL
0 0.3 x V
IO
V
High-Level Input Current I
IH
0.5 10 µA
Low-Level Input Current I
IL
0.5 10 µA
High-Level Output Voltage V
OH
I
O
= –4mA 0.8 x V
IO
V
IO
V
Low-Level Output Voltage V
OL
I
O
= +4mA 0 0.2 x V
IO
V
Input Capacitance C
IN
3pF
ELECTRICAL CHARACTERISTICS
All parameters specified with T
A
= +25°C, V
DD
= +3.3V, and V
IO
= +3.3V, unless otherwise noted.
NOTES: (1) Dynamic performance measured with an Audio Precision System Two Cascade or Cascade Plus.
(2) f
SMIN
= min (f
SIN
, f
SOUT
).
(3) f
SMAX
= max (f
SIN
, f
SOUT
).