Datasheet

14
®
DAC7644
TYPICAL PERFORMANCE CURVES: V
SS
= –5V (CONT)
At T
A
= +25°C, V
DD
= V
CC
= +5V, V
SS
= –5V, V
REFH
= +2.5V, V
REFL
= –2.5V, representative unit, unless otherwise specified.
5
4
3
2
1
0
–1
–2
–3
–4
–5
R
LOAD
(kΩ)
0.01
0.1
1 10 100
V
OUT
vs R
LOAD
V
OUT
(V)
Source
Sink
Time (2µs/div)
OUTPUT VOLTAGE vs SETTLING TIME
(–2.5V to +2.5V)
Output Voltage
+5V
LDAC
0
Large-Signal Settling Time: 1V/div
Small-Signal Settling Time: 2LSB/div
Time (2µs/div)
OUTPUT VOLTAGE vs SETTLING TIME
(+2.5V to –2.5V)
Output Voltage
Large-Signal Settling Time: 1V/div
Small-Signal Settling Time:
2LSB/div
+5V
LDAC
0
2
1.5
1
0.5
0
POSITIVE SUPPLY CURRENT
vs DIGITAL INPUT CODE
I
CC
(mA)
Digital Input Code
0000
H
0200
H
0400
H
0800
H
1000
H
2000
H
4000
H
6000
H
8000
H
A000
H
C000
H
E000
H
FFFF
H
No Load
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