DAC08CP Datasheet, PDF (7/12 Pages) Analog Devices – 8-Bit, High-Speed, Multiplying D/A Converter (Universal Digital Logic Interface)

5.0
T_A = T _MIN TO T_MAX
ALL BITS “HIGH”
4.0
LIMIT FOR
V– = –15V
3.0
2.0
LIMIT FOR
V– = –5V
1.0
0.0
0.0
1.0
2.0
3.0
4.0
5.0
I_REF, REFERENCE CURRENT – mA
TPC 1. Full-Scale Current vs.
Reference Current
Typical Performance Characteristics–DAC08
500
400
300
200
1LSB = 7.8␮A
100
1LSB = 61nA
0
0.05 0.02 0.1 0.5 2.0 10
0.01 0.05 0.2 1.0 5.0
I_FS, OUTPUT FULL SCALE CURRENT – mA
TPC 2. LSB Propagation Delay vs. I_FS
10 _{R14 = R15 = 1k⍀}
8 RL р 500⍀
6
ALL BITS “ON”
V_R15 = 0V
4
2
0
2
–2
–4
1
–6 _{1. CC = 15pF, VIN = 2.0V p–p}
–8 CENTERED AT +1.0V
LARGE SIGNAL
–10 2. _{CC = 15pF, VIN = 50mV p–p}
–12 CENTERED AT +200mV
SMALL SIGNAL
–14
0.1 0.2 0.5 1.0 2.0
5.0 10
FREQUENCY – MHz
TPC 3. Reference Input Frequency
Response
4.0
T_A = T _MIN TO T_MAX
3.6
ALL BITS ON
3.2
NOTE: POSITIVE COMMON-MODE
2.8
RANGE IS ALWAYS (V+) –1.5V
2.4
V– = –15V V– = –5V V+ = +15V
2.0
I_REF = 2mA
1.6
1.2
I_REF = 1mA
0.8
0.4
I_REF = 0.2mA
0.0
–14 –10 –6 –2 2 6 10 14 18
V₁₅, REFERENCE COMMON-MODE VOLTAGE – V
TPC 4. Reference Amp Common-
Mode Range
10.0
8.0
6.0
4.0
2.0
0
–12.0 –8.0 –4.0 0 4.0 8.0 12.0 16.0
LOGIC INPUT VOLTAGE – V
TPC 5. Logic Input Current vs. Input
Voltage
2.0
1.6
1.2
0.8
0.4
0
–50
0
50
100
150
TEMPERATURE – ؇C
TPC 6. V_TH – V_LC vs. Temperature
4.0
T_A = T _MIN TO T_MAX
3.6
ALL BITS ON
3.2
2.8
2.4
V– = –15V V– = –5V
2.0
I_REF = 2mA
1.6
1.2
I_REF = 1mA
0.8
0.4
I_REF = 0.2mA
0.0
–14 –10 –6 –2 2 6 10 14 18
OUTPUT VOLTAGE – V
28
24
20
16
12
SHADED AREA INDICATES
8 ^{PERMISSIBLE OUTPUT VOLTAGE}
RANGE FOR V– = –15V. I_REF 2.0mA.
4
0
FOR OTHER V– OR I_REF.
SEE OUTPUT CURRENT VS. OUTPUT
4 ^{VOLTAGE CURVE.}
8
12
–50
0
50
100 150
TEMPERATURE – ؇C
TPC 7. Output Current vs. Output
Voltage (Output Voltage Compliance)
TPC 8. Output Voltage Compliance
vs. Temperature
1.8
1.6
1.4
1.2
1.0
B1
I_REF = 2.0mA
0.8
0.6
B2
0.4
V– = –5V
0.2
V– = –15V
B4 B3 B5
0
–12 –8 –4 0 4 8 12 16
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 9. Bit Transfer Characteristics
REV. B
–7–