■I/O conversion characteristics using the offset function
The I/O conversion characteristics using the offset function are shown below.
V
15
10
9.9
5
0
-5
-9.9
-10
0
328
digit: D/A conversion value
V: Analog output voltage
(1) Offset value
(2) If the digital input for D/A conversion + DAC offset value > 65535 digits, it varies in the range of 10 to 15V.
(a) Analog output practical range
32768
65207
65535 digit
(2)
(1)
(a)
11 FPGA INTERNAL CIRCUIT
11.3 Standard Circuit
11
215