Intel 8253 - Page 718

Philips Semiconductors Linear Products Product specification
DAC08 Series8-Bit high-speed multiplying D/A converter
August 31, 1994
726
RECOMMENDED FULL-SCALE AND ZERO-SCALE ADJUST
NOTES:
R
1
= low T.C.
R
3
= R
1
+ R
2
R
2
≈ 0.1 R
1
to minimize pot. contribution to full-scale drift
14
15
2
4
DAC-08
V
REF
V+
V–
R
4
= 1MΩ
R
S
= 20kΩ
R
3
R
2
R
1
UNIPOLAR VOLTAGE OUTPUT FOR LOW IMPEDANCE OUTPUT
V
OUT
=
14
15
DAC-08
–
+
NE531
OR
EQUIV 0 TO +10V
I
R
= 2mA
4
2
5kΩ
5kΩ (LOW T.C.)