TYPICAL PERFORMANCE CURVES: VSS = –5V (CONT)
At TA = +25°C, VDD = VCC = +5V, VSS = –5V, VREFH = +2.5V, VREFL = –2.5V, representative unit, unless otherwise specified.
VREFL CURRENT vs CODE
(all DACs sent to indicated code)
VREFH CURRENT vs CODE
(all DACs sent to indicated code)
0.0
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
+0.6
+0.5
+0.4
+0.3
+0.2
+0.1
0.0
0000H 2000H 4000H 6000H 8000H A000H C000H E000H FFFFH
0000H 2000H 4000H 6000H 8000H A000H C000H E000H FFFFH
Digital Input Code
Digital Input Code
POSITIVE FULL-SCALE ERROR vs TEMPERATURE
ZERO-SCALE ERROR vs TEMPERATURE
(Code FFFFH)
(Code 8000H)
2
1.5
2
1.5
1
0.5
0
1
0.5
0
DAC A
DAC B
DAC A
DAC B
DAC D
–0.5
–1
–0.5
–1
DAC C
DAC D
DAC C
–1.5
–2
–1.5
–2
–40
–25
0
25
55
85
–40
–25
0
25
55
85
Temperature (°C)
Temperature (°C)
POWER SUPPLY CURRENT
vs TEMPERATURE
NEGATIVE FULL-SCALE ERROR vs TEMPERATURE
(Code 0000H)
3
2.5
2
2
1.5
1
Data = FFFFH (all DACs)
No Load
ICC
1.5
1
DAC D
DAC A
DAC C
0.5
0
0.5
0
–0.5
–1
–0.5
–1
DAC B
ISS
–1.5
–2
–1.5
–2
–2.5
–3
–40
–25
0
25
55
85
–40
–25
0
25
55
85
Temperature (°C)
Temperature (°C)
®
13
DAC7644
TI [ TEXAS INSTRUMENTS ]
