Datasheet

DAC08
Rev. C | Page 8 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
00268-C-008
2.5V
0.5V
–0.5mA
I
OUT
–2.5mA
200ns/DIVISION
R
EQ
≈ 200Ω
R
L
= 100Ω
C
C
= 0
1V
100mV
200ns
Figure 7. Fast Pulsed Reference Operation
00268-C-009
0mA
1.0mA
2.0mA
(0000|0000) (1111|1111)
I
REF
= 2mA
I
OUT
I
OUT
Figure 8. True and Complementary Output Operation
00268-C-010
50ns/DIVISION
100mV
2V
50ns
5mV
2.4V
0.4V
0V
8µA
0
Figure 9. LSB Switching
00268-C-011
SETTLINGTIMEFIXTURE
I
FS
=2mA,R
L
=1kΩ
1/2LSB= 4µA
50ns/DIVISION
ALL BITS SWITCHED ON
10mV
50ns
1V
2.4V
0.4V
–1/2LSB
0V
+1/2LSB
OUTPUT
SETTLING
Figure 10. Full-Scale Settling Time
00268-C-012
I
REF
, REFERENCE CURRENT (mA)
I
FS
, OUTPUT CURRENT (mA)
5
0
4
3
2
1
0
12345
T
A
= T
MIN
TO T
MAX
ALL BITS HIGH
LIMIT FOR
V– = –5V
LIMIT FOR
V– = –15V
Figure 11. Full-Scale Current vs. Reference Current
00268-C-013
I
FS
, OUTPUT FULL-SCALE CURRENT (mA)
PROPAGATION DELAY (ns)
500
400
300
200
100
0
0.005 0.02 0.10 0.50 2.00
1LSB = 7.8µA
1LSB = 61nA
10.000.01 0.05 0.20 1.00 5.00
Figure 12. LSB Propagation Delay vs. I
FS