Intel 8253 - Page 717

Philips Semiconductors Linear Products Product specification
DAC08 Series8-Bit high-speed multiplying D/A converter
August 31, 1994
725
SETTLING TIME AND PROPAGATION DELAY
NOTES:
D
1
, D
2
= IN6263 or equivalent
D
3
= IN914 or equivalent
C
1
= 0.01µF
C
2
, C
3
= 0.1µF
Q
1
= 2N3904
C
4
, C
5
= 15pF and includes all probe and fixturing capacitance.
V
IN
V
S
+ = +15V
V
ADJ
V
OUT
V
S
– = –15V
R
15
= 5kΩ
I
REF
= 2mA
V
REF
= 10V
R
14
= 5kΩ
V
OUT
R
1
= 1000Ω
R
2
= 1000Ω
R
3
= 500Ω
50Ω
C
1
C
2
C
5
C
3
D
3
D
1
D
2
C
4
DUT
14
15
16 3 1
2
4
12111098765
Q
1
BASIC DAC08 CONFIGURATION
NOTES:
I
FS

 V
REF
R
REF
x
255
256
; I
O
 I
O
 I
FS
for all logic states
MSB 2 3 4 5 6 7 LSB
5 6 7 8 9 10 11 12
14
15
3 16
13
1
2
4
DAC-08
(LOW T.C.)
V+
V–
I
O
I
O
+V
REF
I
REF
R
REF
C
COMP
0.1µF
0.1µF