BUF20820
SBOS330E DECEMBER 2005 REVISED OCTOBER 2008
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5
TYPICAL CHARACTERISTICS
At TA = +25°C, VS = 18V, VSD = 5V, VREFH = 17V, VREFL = 1V, RL = 1.5k connected to ground, and CL = 200pF, unless otherwise noted.
Figure 1
10
8
6
4
2
0
A
n
a
log
S
u
p
ly
C
u
rr
ent
(m
A
)
ANALOG SUPPLY CURRENT vs TEMPERATURE
40
20
0
100
40
60
80
20
Temperature (
_C)
V
S = 18V
V
S = 10V
Figure 2
30
25
20
15
10
5
0
D
igi
tal
S
up
pl
y
C
ur
rent
(
A)
DIGITAL SUPPLY CURRENT vs TEMPERATURE
40
20
0
100
40
60
80
20
Temperature (
_C)
V
SD =3.3V
V
SD =5V
V
S = 10V
O
u
tp
ut
V
o
lt
age
(5
V
/di
v
)
FULLSCALE OUTPUT SWING
Time (1
s/div)
REFH = 17V
REFL = 1V
Code 3FF
→000
Code 000
→3FF
Figure 3
Figure 4
18
17
16
15
3
2
1
0
O
u
tp
ut
V
o
lt
age
(V
)
OUTPUT VOLTAGE vs OUTPUT CURRENT
010
20
100
40
50
60
70
80
90
30
Output Current (mA)
OUT19, V
COM12 (sinking)
Code = 000h
V
REFL =1V, VREFH =17.8V
R
LOAD Connectedto18V
OUT1018 (sourcing), Code = 3FFh
V
REFL =0.2V, VREFH =17V
R
LOAD Connected to GND
OUT1018 (sinking), Code = 000h
V
REFL =0.2V, VREFH = 17V
R
LOAD Connected to 18V
OUT19, V
COM12 (sourcing)
Code = 3FFh
V
REFL =1V, VREFH = 17.8V
R
LOAD Connected to GND
0.6
0.4
0.2
0
0.2
0.4
0.6
IN
L
E
rro
r
(L
S
B
)
INTEGRAL NONLINEARITY ERROR vs INPUT CODE
0
200
1000
400
600
800
Input Code
Figure 5
0.6
0.4
0.2
0
0.2
0.4
0.6
DNL
E
rr
o
r
(L
S
B
)
DIFFERENTIAL NONLINEARITY ERROR vs INPUT CODE
0
200
1000
400
600
800
Input Code
Figure 6