4-7

MOM-1 Analog Output Module

Power

Symbol

Description

Minimum

Typical

Maximum

Units

VA18P

positive analog supply voltage

17.50

18.00

20.00

volts

VA18M

negative analog supply voltage

-17.50

-18.00

-20.00

volts

VD5P

positive digital supply voltage

4.75

5.00

5.50

volts

IA18P

positive analog supply current

92

96

100

milliamps

IA18M

negative analog supply current

47

51

55

milliamps

ID5P

positive digital supply current

114

124

134

milliamps

Performance

Symbol

Description

Minimum

Typical

Maximum

Units

THD+N

Total Harmonic Distortion + Noise

 

0.003

0.007

%

IMD

Intermodulation Distortion1

 

0.004

0.007

%

DIM

Dynamic Intermodulation Distortion2

 

0.003

0.006

%

 

Noise Floor

 

110

107

dBu

 

Channel Crosstalk

 

-100

-80

dB

N

Resolution

 

20

 

bits

 

Frequency Response

 

+0.1, - 0.5

+.2, -1.0

dB

 

Delay3

25

 

 

WST

MCLK+

Master Clock

12.283

12.288

12.292

MHz

WST+

Word Clock

47.98

48.000

48.02

kHz

 

Oversampling

 

128X

 

 

 

Stopband Attenuation

75

 

 

dB

 

Maximum Output Level4

21

26

 

dBu

 

Interchannel Phase Deviation

 

0.5

1.0

degrees

 

Output Balance

 

0.5

 

dB

 

Gain Accuracy5

 

±0.05

±0.25

dB

Z

Output Impedance6

594

600

606

ohms

out

Operating Temperature

50

75

100

°F

 

 

Operating Humidity

20

50

80

%

Miscellaneous

Overall Size:

8.40” long by 2.55” wide by 1.50” high

Weight:

4.3 ounces

Input connector:

3 Pin standard male XLR

Mating connector:

3 Pin standard female XLR

Internal connector:

48 pin standard female “F” size per DIN 41 612

XLR pinout:

Pin 1 – shield, Pin 2 – positive signal, Pin 3 – negative signal

De-emphasis:

48 kHz de-emphasis, selectable via SPI control I/F.

Relay mute:

Left and right output relay mute, selectable via SPI control I/F.

DAC mute:

Left and right individually or group selectable via SPI control I/F.

Serial Data Interface:

7 formats available, selectable via SPI control I/F.

Analog Gain:

Selectable: 0, -8, -6, -4, 8 dB via SPI control I/F.7

Notes

1Unity gain, SMPTE 4:1, 60 Hz & 7 kHz sine waves.

2Unity gain, DIM30 4:1, 3.15 kHz SQ wave & 15 kHz sine wave, 30 kHz LPF.

3 Group Delay inherent in conversion process. WST=1/48 kHz

4 Minimum levels are single ended, maximum levels are differential and balanced. Bridging load. 5 Relative to unity gain, 1 kHz.

6 Electronically balanced, RF surpressed, differential impedance 20- 20kHz.

Specifications

Page 39
Image 39
Telex ISP-100 manual MOM-1 Analog Output Module