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PDF SRC4193 Data sheet ( Hoja de datos )
| Número de pieza | SRC4193 | |
| Descripción | 192kHz Stereo Asynchronous Sample Rate Converters | |
| Fabricantes | Burr-Brownoration | |
| Logotipo |  |
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SRC4192(1)
SRC4192
SRC4193(1)
SRC4193
SBFS022A – JULY 2003
192kHz Stereo Asynchronous
Sample Rate Converters
FEATURES
q AUTOMATIC SENSING OF THE INPUT-TO-
OUTPUT SAMPLING RATIO
q WIDE INPUT-TO-OUTPUT SAMPLING RANGE:
16:1 to 1:16
q SUPPORTS INPUT & OUTPUT SAMPLING
RATES UP TO 212kHz
q DYNAMIC RANGE: 144dB (-60dbFS input,
BW = 20Hz to fS/2, A-Weighted)
q THD+N: -140dB (0dbFS input, BW = 20Hz to
fS / 2)
q ATTENUATES SAMPLING AND REFERENCE
CLOCK JITTER
q HIGH PERFORMANCE, LINEAR PHASE
DIGITAL FILTERING WITH BETTER THAN
140dB OF STOP BAND ATTENUATION
q FLEXIBLE AUDIO SERIAL PORTS:
Master or Slave Mode Operation
Supports I2S, Left Justified, Right Justified, and
TDM Data Formats
Supports 16, 18, 20, or 24-Bit Audio Data
TDM Mode allows daisy chaining of up to eight
devices
q SUPPORTS 24-, 20-, 18-, or 16-BIT INPUT AND
OUTPUT DATA
All output data is dithered from the internal
28-Bit data path
q LOW GROUP DELAY OPTION FOR INTERPO-
LATION FILTER
q DIRECT DOWNSAMPLING OPTION FOR
DECIMATION FILTER (SRC4193 ONLY)
q SPI PORT PROVIDES ACCESS TO INTERNAL
CONTROL REGISTERS (SRC4193 ONLY)
q SOFT MUTE FUNCTION
q BYPASS MODE
q PROGRAMMABLE DIGITAL OUTPUT
ATTENUATION (SRC4193 ONLY)
256 steps: 0dB to –127.5dB, 0.5dB/step
(1) Patents Pending.
(2) Refer to the Applications Information section of this data sheet for details.
q POWER DOWN MODE
q OPERATES FROM A SINGLE +3.3 VOLT
POWER SUPPLY
q SMALL 28-LEAD SSOP PACKAGE
q PIN COMPATIBLE WITH THE AD1896
(SRC4192 ONLY)(2)
APPLICATIONS
q DIGITAL MIXING CONSOLES
q DIGITAL AUDIO WORKSTATIONS
q AUDIO DISTRIBUTION SYSTEMS
q BROADCAST STUDIO EQUIPMENT
q HIGH-END A/V RECEIVERS
q GENERAL DIGITAL AUDIO PROCESSING
DESCRIPTION
The SRC4192 and SRC4193 are asynchronous sample rate
converters designed for professional and broadcast audio
applications. The SRC4192 and SRC4193 combine a wide
input-to-output sampling ratio with outstanding dynamic range
and ultra low distortion. Input and output serial ports support
standard audio formats, as well as a Time Division Multi-
plexed (TDM) mode. Flexible audio interfaces allow the
SRC4192 and SRC4193 to connect to a wide range of audio
data converters, digital audio receivers and transmitters, and
digital signal processors.
The SRC4192 is a standalone pin programmed device, with
control pins for mode, data format, mute, bypass, and low
group delay functions. The SRC4193 is a software-controlled
device featuring a serial peripheral interface (SPI) port, which
is utilized to program all functions via internal control registers.
The SRC4192 and SRC4193 may be operated from a single
+3.3V power supply. A separate digital I/O supply (VIO)
operates over the +1.65V to +3.6V supply range, allowing
greater flexibility when interfacing to current and future gen-
eration signal processors and logic devices. Both the
SRC4192 and SRC4193 are available in a 28-lead SSOP
package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
www.ti.com
Copyright © 2003, Texas Instruments Incorporated
1 page  
ELECTRICAL CHARACTERISTICS (Cont.)
All parameters specified with TA = +25°C, VDD = +3.3V, and VIO = +3.3V, unless otherwise noted.
PARAMETER
SWITCHING CHARACTERISTICS
Reference Clock Timing
RCKI Frequency(2), (3)
RCKI Period
RCKI Pulsewidth High
RCKI Pulsewidth Low
Reset Timing
RST Pulse Width Low
Delay Following RST Rising Edge
Input Serial Port Timing
LRCKI to BCKI Setup Time
BCKI Pulsewidth High
BCKI Pulsewidth Low
SDIN Data Setup Time
SDIN Data Hold Time
Output Serial Port Timing
SDOUT Data Delay Time
SDOUT Data Hold Time
BCKO Pulsewidth High
BCKO Pulsewidth Low
TDM Mode Timing
LRCKO Setup Time
LRCKO Hold Time
TDMI Data Setup Time
TDMI Data Hold Time
SPI Timing
CCLK Frequency
CDATA Setup Time
CDATA Hold Time
CS Falling to CCLK Rising
CCLK Falling to CS Rising
tRCKIP
tRCKIH
tRCKIL
tRSTL
tLRIS
tSIH
tSIL
tLDIS
tLDIH
tDOPD
tDOH
tSOH
tSOL
tLROS
tLROH
tTDMS
tTDMH
tCDS
tCDH
tCSCR
tCFCS
POWER SUPPLIES
Operating Voltage
VDD
VIO
Supply Current
IDD, Power Down
IDD, Power Down (SRC4193 only)
IDD, Dynamic
IIO, Power Down
IIO, Power Down (SRC4193 only)
IIO, Dynamic
Total Power Dissipation
PD, Power Down
PD, Power Down (SRC4193)
PD, Dynamic
CONDITION
SRC4193 Only
VDD = +3.3V, VIO = +3.3V
RST = 0, No Clocks
PDN Bit = 0, No Clocks
fSIN = fsOUT = 192kHz
RST = 0, No Clocks
PDN Bit = 0, No Clocks
fSIN = fSOUT = 192kHz
VDD = +3.3V, VIO = +3.3V
RST = 0, No Clocks
PDN Bit = 0, No Clocks
fSIN = fSOUT = 192kHz
SRC4192, SRC4193
MIN TYP MAX
128 x fSMIN
20
0.4 x tRCKIP
0.4 x tRCKIP
500
500
10
10
10
10
10
2
10
5
10
10
10
10
12
8
15
12
50
1/(128 x fSMIN)
10
25
3.0
1.65
+3.3
+3.3
5
66
21
2
16.6
225
3.6
3.6
100
100
660
NOTES: (1) Dynamic performance measured with an Audio Precision System Two Cascade or Cascade Plus.
(2) fSMIN = min (fSIN, fSOUT).
(3) fSMAX = max (fSIN, fSOUT).
UNITS
MHz
ns
ns
ns
ns
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
ns
ns
ns
ns
V
V
µA
mA
mA
µA
µA
mA
µW
mW
mW
SRC4192, SRC4193
SBFS022A
www.ti.com
5
5 Page 
TYPICAL CHARACTERISTICS (Cont.)
At TA = +25°C, VDD = +3.3V, and VIO = +3.3V, unless otherwise noted.
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
0
FFT with 1kHz INPUT TONE at 0dBFS
(192kHz:96kHz)
10k 20k 30k
Frequency (Hz)
40k 48k
–60
–70
–80
–90
–100
–110
–120
–130
–140
–150
–160
–170
–180
0
FFT with 1kHz INPUT TONE at –60dBFS
(192kHz:96kHz)
10k 20k 30k
Frequency (Hz)
40k 48k
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
0
FFT with 20kHz INPUT TONE at 0dBFS
(44.1kHz:48kHz)
5k 10k 15k 20k 24k
Frequency (Hz)
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
0
FFT with 20kHz INPUT TONE at 0dBFS
(48kHz:44.1kHz)
5k 10k 15k
Frequency (Hz)
20k 22k
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
0
FFT with 20kHz INPUT TONE at 0dBFS
(48kHz:48kHz)
5k 10k 15k 20k 24k
Frequency (Hz)
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
0
FFT with 20kHz INPUT TONE at 0dBFS
(48kHz:96kHz)
10k 20k 30k
Frequency (Hz)
40k 48k
SRC4192, SRC4193
SBFS022A
www.ti.com
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet SRC4193.PDF ] | |
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