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Data Device Corporation
www.ddc-web.com
SD-14620
J-04/03-0
TABLE 1. SD-14620 SERIES SPECIFICATIONS (EACH CHANNEL)
These specs apply over the rated power supply, temperature, and reference frequency ranges;
10% signal amplitude variation, and 10% harmonic distortion.
PARAMETER
UNIT
VALUE
RESOLUTION
Bits
programmable 10, 12, 14, or 16
ACCURACY
Min
±1, ±2 or ±4, + 1 LSB (see TABLE 5)
REPEATABILITY
LSB
1 max.
DIFFERENTIAL LINEARITY
LSB
1 max.
REFERENCE INPUT
Type
SD-14620
Voltage Range
Frequency
Input Impedance
single ended
differential
Common-Mode Range
SD-14620XS
Voltage Range
Frequency
Input Impedance
single ended
differential
Common-Mode Range
±Sig/Ref Phase Shift
Vrms
Hz
Ohm
Vpeak
Vrms
Hz
Ohm
Vpeak
deg.
(RH, RL)
Each Channel
differential
2 & 11.8 V UNITS
90 V UNIT
2-35
10-130
360 - 5K
60 (47-5K)
400 (360-5K)
60K
270K min.
120K
540K min.
50, 100 transient
200, 300 transient
2-35
—
1K - 5K
—
40K
—
80K
—
50, 100 transient
—
45 max
—
SIGNAL INPUT
CHARACTERISTICS
90 V Synchro Input (L-L)
Zin line-to-line
Zin line-to-ground
Common-Mode Voltage
11.8 V Synchro Input (L-L)
Zin line-to-line
Zin line-to-ground
Common-Mode Voltage
11.8 V Resolver Input (L-L)
Zin line-to-line
Zin line-to-ground
Common-Mode Voltage
2 V Direct Input (L-L)
Voltage Range
Max. Voltage w/o Damage
Input Impedance
2 V Resolver Input (L-L)
Zin single ended
Zin differential
Common-Mode Voltage
Ohm
V
Ohm
V
Ohm
V
Vrms
V
Ohm
V
123K
80K
180 max.
52K
34K
30 max.
(same for “S” option)
140K
70K
30 max.
2 nom, 2.3 max.
25 cont, 100 pk transient
20 M || 10 pF min.
(“S” option only)
11K
22K
4.9 max.
DIGITAL INPUT/OUTPUT
Logic Type
INPUTS
TTL/CMOS compatible
Logic 0 = 0.8 V max.
Logic 1 = 2.0 V min.
Loading (per channel) =10 A
max P.U. current source to
+5 V || 5 pF max.
CMOS transient protected.