Typical Performance Characteristics–DAC08
5.0
T
A
= T
MIN
TO T
MAX
ALL BITS “HIGH”
LIMIT FOR
V– = –15V
PROPAGATION DELAY – ns
500
10
I
FS
, OUTPUT CURRENT – mA
RELATIVE OUTPUT – dB
4.0
400
R14 = R15 = 1k
8 R
L
500
ALL BITS “ON”
6
V
R15
= 0V
4
2
2
3.0
300
0
–2
1
–6 1. C = 15pF, V = 2.0V p–p
C
IN
CENTERED AT +1.0V
–8
LARGE SIGNAL
–10 2. C = 15pF, V = 50mV p–p
C
IN
CENTERED AT +200mV
–12
SMALL SIGNAL
–14
0.1
0.2
0.5
1.0
2.0
FREQUENCY – MHz
–4
2.0
LIMIT FOR
V– = –5V
200
1LSB = 7.8 A
1.0
100
1LSB = 61nA
0.0
0.0
1.0
2.0
3.0
4.0
I
REF
, REFERENCE CURRENT – mA
5.0
0
10
0.05
0.02
0.1
0.5
2.0
0.01
0.05
0.2
1.0
5.0
I
FS
, OUTPUT FULL SCALE CURRENT – mA
5.0
10
TPC 1. Full-Scale Current vs.
Reference Current
TPC 2. LSB Propagation Delay vs. I
FS
TPC 3. Reference Input Frequency
Response
4.0
3.6
T
A
= T
MIN
TO T
MAX
10.0
ALL BITS ON
2.0
OUTPUT CURRENT – mA
3.2
2.8
2.4
A
NOTE: POSITIVE COMMON-MODE
RANGE IS ALWAYS (V+) –1.5V
8.0
1.6
LOGIC INPUT –
6.0
V
TH
– V
LC
– V
V– = –15V
2.0
1.6
1.2
0.8
0.4
V– = –5V
V+ = +15V
I
REF
= 2mA
I
REF
= 1mA
1.2
4.0
0.8
2.0
I
REF
= 0.2mA
0.4
0.0
18
–2
2
6
10
14
–14 –10 –6
V
15
, REFERENCE COMMON-MODE VOLTAGE – V
0
0
4.0 8.0 12.0 16.0
–12.0 –8.0 –4.0
LOGIC INPUT VOLTAGE – V
0
–50
0
50
100
TEMPERATURE – C
150
TPC 4. Reference Amp Common-
Mode Range
TPC 5. Logic Input Current vs. Input
Voltage
TPC 6. V
TH
– V
LC
vs. Temperature
4.0
3.6
T
A
= T
MIN
TO T
MAX
28
ALL BITS ON
24
OUTPUT CURRENT – mA
1.8
1.6
1.4
1.2
1.0
I
REF
= 2.0mA
0.8
0.6
0.4
0.2
V– = –5V
V– = –15V
–8
–4
0
4
8
12
16
B4
B2
B3
B5
B1
OUTPUT CURRENT – mA
3.2
OUTPUT VOLTAGE – V
20
16
12
8
4
0
4
I
REF
= 0.2mA
–6
–2
2
6
10
OUTPUT VOLTAGE – V
14
18
8
12
–50
0
50
100
TEMPERATURE – C
150
FOR OTHER V– OR I
REF
.
SEE OUTPUT CURRENT VS. OUTPUT
VOLTAGE CURVE.
SHADED AREA INDICATES
PERMISSIBLE OUTPUT VOLTAGE
RANGE FOR V– = –15V. I
REF
2.0mA.
2.8
2.4
V– = –15V
2.0
1.6
1.2
0.8
0.4
0.0
–14 –10
I
REF
= 1mA
V– = –5V
I
REF
= 2mA
0
–12
LOGIC INPUT VOLTAGE – V
NOTE: B1 THROUGH B8 HAVE IDENTICAL
TRANSFER CHARACTERISTICS. BITS ARE FULLY
SWITCHED WITH LESS THAN 1/2 LSB ERROR, AT
LESS THAN 100mV FROM ACTUAL THRESHOLD.
THESE SWITCHING POINTS ARE GUARANTEED
TO LIE BETWEEN 0.8V AND 2.0V OVER THE
OPERATING TEMPERATURE RANGE (V
LC
= 0.0V).
TPC 7. Output Current vs. Output
Voltage (Output Voltage Compliance)
TPC 8. Output Voltage Compliance
vs. Temperature
TPC 9. Bit Transfer Characteristics
REV. B
–7–
AD [ ANALOG DEVICES ]
