Datasheet

DAC08
Rev. C | Page 9 of 20
00268-C-014
FREQUENCY (MHz)
RELATIVE OUTPUT (dB)
10
0.1
8
6
4
2
–14
0.2
0.5
1.0
2.0 10.0
2
0
–2
–4
–6
–8
–10
–12
1
5.0
R14 = R15 = 1kΩ
R
L
≤ 500V
ALL BITS ON
V
R15
= 0V
C
C
= 15pF, V
IN
= 2.0V p-p
CENTERED AT +1.0V
LARGE SIGNAL
C
C
= 15pF, V
IN
= 50mV p-p
CENTERED AT +200mV
SMALL SIGNAL
Figure 13. Reference Input Frequency Response
00268-C-015
V
15
, REFERENCE COMMON-MODE VOLTAGE (V)
OUTPUT CURRENT (mA)
4.0
–14
3.6
3.2
2.8
2.4
0
18
2.0
1.6
1.2
0.8
0.4
–10 –6
T
A
= T
MIN
TO T
MAX
NOTE: POSITIVE COMMON-MODE
RANGE IS ALWAYS (V+) –1.5V
I
REF
= 2mA
V– = –15V V– = –5V V+ = +15V
ALL BITS ON
I
REF
= 1mA
I
REF
= 0.2mA
–2 2 6
10 14
Figure 14. Reference Amp Common-Mode Range
00268-C-016
LOGIC INPUT VOLTAGE (V)
LOGIC INPUT (µA)
10
–12
8
6
0
4
2
–8–40 481216
Figure 15. Logic Input Current vs. Input Voltage
00268-C-017
TEMPERATURE (°C)
V
TH
–V
LC
(V)
2.0
–50
1.6
1.2
0
0.8
0.4
0 50 100 150
Figure 16. V
TH
− V
LC
vs. Temperature
00268-C-018
OUTPUT VOLTAGE (V)
OUTPUT CURRENT (mA)
4.0
–14
3.6
3.2
2.8
2.4
0
18
2.0
1.6
1.2
0.8
0.4
–10 –6
T
A
= T
MIN
TO T
MAX
I
REF
= 1mA
I
REF
= 0.2mA
–2 2 6 10 14
V– = –15V V– = –5V I
REF
= 2mA
ALL BITS ON
Figure 17. Output Current vs. Output Voltage (Output Voltage Compliance)
00268-C-019
TEMPERATURE (°C)
OUTPUT VOLTAGE (V)
28
24
20
16
12
–12
8
4
0
–4
–8
–50 0 50 100 150
SHADED AREA INDICATES PERMISSIBLE
OUTPUT VOLTAGE RANGE FOR V– = –15V.
I
REF
≤ 2.0mA.
FOR OTHER V– OR I
REF
,
SEE OUTPUT CURRENT VS. OUTPUT
VOLTAGE CURVE.
Figure 18. Output Voltage Compliance vs. Temperature