DAC7634
www.ti.com
SBAS134A–JULY 2004–REVISED AUGUST 2004
TYPICAL PERFORMANCE CURVES: VSS = 0 V (continued)
At TA = 25°C, VDD = VCC = 5 V, VREFH = 2.5 V, VREFL = 0 V, representative unit, unless otherwise specified.
VREFH CURRENT vs CODE
(ALL DACs SENT TO INDICATED CODE)
VREFL CURRENT vs CODE
(ALL DACs SENT TO INDICATED CODE)
0.00
–0.05
–0.10
–0.15
–0.20
–0.25
–0.30
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0000H 2000H 4000H 6000H 8000H A000H C000H E000H FFFFH
0000H 2000H 4000H 6000H 8000H A000H C000H E000H FFFFH
Digital Input Code
Digital Input Code
Figure 15.
Figure 16.
POWER SUPPLY CURRENT
vs TEMPERATURE
POSITIVE SUPPLY CURRENT
vs DIGITAL INPUT CODE
2
2
1.5
1
No Load
Data = FFFFH(all DACs)
No Load
1.5
1
All DACs
One DAC
0.5
0.5
0
0
–40 –30 –20 –10
0
10 20 30
40 5060
70 80 90
0000H 2000H 4000H 6000H 8000H A000H C000H E000 FFFFH
H
Temperature °C)
Digital Input Code
Figure 17.
Figure 18.
OUTPUT VOLTAGE vs SETTLING TIME
(0 V TO 2.5 V)
OUTPUT VOLTAGE vs SETTLING TIME
(2.5 V TO 2 mV)
+5V
LDAC
0
+5V
LDAC
0
Large−Signal Settling Time: 0.5V/div
Small−Signal Settling Time: 4LSB/div
Small−Signal Settling Time: 4LSB/div
Large−Signal Settling Time: 0.5V/div
Time (2 µs/div)
Time (2 µs/div)
Figure 19.
Figure 20.
10
BB [ BURR-BROWN CORPORATION ]
