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4-9
Specifications
Performance
(Sample Rate Converter bypassed)
Symbol Description Minimum Typical Maximum Units
F
s
Sample Rate for Digital TBD 48 96 kHz
Input Data
19
THD+N Total Harmonic Distortion 0.00002 %
plus Noise
20
(RELATIVE)
IMD Intermodulation Distortion
21
0%
(SMPTE 4:1)
Jitter in Output Clock 415 pS
Tolerable Jitter in Input 35 nS
Clock before Loss of Lock
22
Resolution (input) 24 24 bits
Resolution (output) 24 24 24 bits
Frequency Response
23
+/-0 dB
Dynamic Range
24
Equal to Dynamic Range dB
of input signal
Noise Floor
25
Equal to Noise Floor dB
of input signal
Delay through receiver
26
2 WSR+periods
Delay through transmitter
27
43
/
64
WST+periods
Interchannel Phase Deviation
28
0 Degrees
MCLK+ Master Clock
29
TBD 12.288 24.576 MHz
WSR+ Receive Word Clock
30
(MCLK+)/256 Hz
WST+ Transmit Word Clock
31
(MCLK+)/256 Hz
SCKR+ Receive Bit Clock
32
(MCLK+)/4 Hz
SCKT+ Transmit Bit Clock
33
(MCLK+)/4 Hz
Z
in
Input Impedance 110 Ohms
Z
out
Output Impedance 110 Ohms
Miscellaneous
Overall Size: 8.40" long by 2.55" wide by 1.50" high
Weight: 3.8 Ounces
Input Connector: 3 Pin standard female XLR
Output Connector: 3 Pin standard male XLR
XLR pinout: Pin 1 shield, Pin 2 positive input, Pin3 negative input.
Input Data Format: AES/EBU (AES3) Professional and S/PDIF. (IEC958) Consumer data formats are automatically identified and
correctly decoded.
Output Data Format: AES/EBU Professional, regardless of input data format.
De-emphasis: Not implemented; emphasis information from Channel Status Bits is relayed to host via Serial Peripheral
Interface (SPI).
Mutes: Linked Left and Right input mute selectable via SPI control; linked Left and Right output mute selectable via
SPI control.
Serial Data Interface: TBD
Synchronous Sampling: Multiple outputs may be synchronized via DPDB signal on connector. MDM-1 transmitter is slaved to MCLK+,
WST+, and SCKT+ signals. MDM-1 receiver may be configured as Master, to generate MCLK+ (via AES_CLK),
WSR+, and SCKR+ signals derived from input data stream, or as Slave, to receive WSR+ and SCKR+ signals
from card-edge connector, either with or without the Sample Rate Converter. With sample rate converter
engaged, the MDM-1 cannot be configured as the master.
Unless otherwise noted:
Signal measurements are at unity gain, +16 dBu and 20 Hz to 20 kHz bandwidth.
Power measurements are quiescent.
Operating temperature with non condensing humidity