DAC8512 Datasheet, PDF (7/20 Pages) Analog Devices – % V, Serial Input Complete 12-Bit DAC

5
V_DD = +5V
T_A = +25؇C
4
R_LL TIEDD TTOO AAGGNNDD
DA=TFAF=FHFFF _H
3
2
1
R_L TIED TO +5V
DATA = 000H
0
10
100
1k
10k
100k
LOAD RESISTANCE – ⍀
Figure 5. Output Swing vs. Load
Typical Performance Characteristics — DAC8512
100
V_DD = +5V
DATA = 000_H
10
1
T_A = +85؇C
T_A = +25؇C
0.1
T_A = –40؇C
0.01
1
10
100
1000
OUTPUT SINK CURRENT – ␮A
Figure 6. Pull-Down Voltage vs. Out-
put Sink Current Capability
80
POS0
60
CURRENT0
LIMIT0
40
20
0
DATA = 800H
RL TIED TO +2V
–20
–40
–60
–80
–100
NEG
CURRENT
LIMIT
1
2
3
OUTPUT VOLTAGE – Volts
Figure 7. Short Circuit Current
50mV
100
90
10
0%
2mS
CODE = FFF_H = 4095₁₀
BW = 630kHz
SCALE = 100X
T_A = +25؇C
TIME = 2ms/DIV
Figure 8. Broadband Noise
4.0
V_DD = +5V
3.2
T_A = +25؇C
NO LOAD
2.4
1.6
0.8
0.0
0
1
2
3
4
5
LOGIC VOLTAGE VALUE – Volts
Figure 9. Supply Current vs. Logic
Input Voltage
100
V_DD = +5V ؎200mV AC
80
T_A = +25؇C
DATA = FFF_H
60
40
20
0
10
100
1k
10k
100k
FREQUENCY – Hz
Figure 10. Power Supply Rejection
vs. Frequency
5.0
∆VFS ≤ 1 LSB
4.8
DATA = FFF_H
T_A = +25؇C
4.6
PROPER OPERATION
4.4
WHEN V_DD SUPPLY
VOLTAGE ABOVE
CURVE
4.2
4.0
0.01
0.04 0.1
0.4 1.0
4.0 10
OUTPUT LOAD CURRENT – mA
Figure 11. Minimum Supply Voltage
vs. Load
5
0
2.048
2.038
2.028
2.018
2048₁₀ TO 2047₁₀
V_DD = 5V
T_A = +25؇C
TIME – 200ns/DIV
Figure 12. Midscale DAC Glitch
Performance
1V
100
90
R_L = NO LOAD
C_L = 110pF
10
T_A = +25؇C
0%
20µs
TIME = 20µs/DIV
Figure 13. Large Signal Settling Time
REV. A
–7–