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A-4
Specifications
Table A-2. Analog Output Specifications
Attribute
DAS-1800HC Series Boards
Resolution
12-bit (one part in 4096 or 224 ppm)
Data format
Right justified, offset binary
Range
±10.00V
Linearity
1
Integral
Differential
±
¼
LSB typical; ±
½
LSB max.
±1 LSB
Output current drive
±5mA max.
Capacitive load drive
100µF
Gain accuracy
Adjustable to 0
Offset accuracy
Adjustable to 0
Glitch energy
300nV * seconds
Power up
DACs power up to 0.0V at reset
Settling time
6µs typical, 30µs maximum to
½
LSB
1
Monotonicity is guaranteed over the operating range.
Table A-3. Digital I/O Specifications
Attributes
DAS-1800HC Series Boards
Digital output (including
SSHO, DOSTB, and
TGOUT)
• V
OH
(min.) = 2.7V @ I
OH
=
−
400µA
• V
OL
(max.) = 0.5V @ I
OL
= 8mA
Digital input
• V
IH
(min.) = 2.0V; I
IH
(max.) = 20µA
• V
IL
(max.) = 0.8V; I
IL
(max.) =
−
0.2mA
Digital output strobe pulse
width
300ns typical; data is latched on the rising edge of DOSTB
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