DAC−08 SERIES
AC ELECTRICAL CHARACTERISTICS
DAC−08C
Characteristic
Settling Time
Symbol
t
S
Test Conditions
To
"1/2LSB,
All
Bits Switched On or
Off, T
amb
= 25°C
T
amb
= 25°C,
Each Bit
All Bits Switched
Min
−
Typ
70
Max
135
DAC−08E
Min
−
Typ
70
Max
135
DAC−08H
Min
−
Typ
70
Max
135
Unit
ns
Propagation Delay
Low-to-High
High-to-Low
ns
t
PLH
t
PHL
−
35
60
−
35
60
−
35
60
TEST CIRCUITS
V−
V+
V
REF
R
REF
16
14
3
13
4
1
2
R
f
DAC-08
15
R15
5-12
CONTROL
LOGIC
−
NE5534
+
ERROR
OUTPUT
REFERENCE DAC
ACCURACY > 0.006%
Figure 2. Relative Accuracy Test Circuit
0.1
mF
V
CC
2.4 V
13
e
IN
+2.0 V
DC
14
15
1
2
4
16
1.0 kW
0.1
mF
FOR SETTLING TIME
MEASUREMENT
e
O
(ALL BITS
SWITCHED LOW
TO HIGH)
0.4 V
t
PHL
= t
PLH
= 10 ns
1.0 V
SETTLING TIME
R
L
= 500
W
0
t
S
= 70 ns TYPICAL
TO
±1/2
LSB
TRANSIENT 0
RESPONSE
-100 mV
t
PLH
R
L
= 50
W
PIN 4 TO GND
t
PHL
R
L
USE R
L
to GND
FOR TURN OFF
MEASUREMENT
1.4 V
5
6
7
8
9
10
11
12
51
W
DAC-08
1.0 kW
e
IN
0.1
mF
15 pF
3
V
EE
C
O
≤
25 pF
Figure 3. Transient Response and Settling Time
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