Datasheet
10
®
DAC7641
TYPICAL PERFORMANCE CURVES: V
SS
= –5V (Cont.)
At T
A
= +25°C, V
DD
= +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
OUTPUT VOLTAGE vs R
LOAD
V
OUT
(V)
Source
Sink
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
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
I
CC
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
2
1.5
1
0.5
0
–0.5
–1
–1.5
–2
Temperature (°C)
POSITIVE FULL-SCALE ERROR vs TEMPERATURE
(Code FFFF
H
)
Positive Full-Scale Error (mV)
–40–30–20–100 102030405060708090
2
1.5
1
0.5
0
–0.5
–1
–1.5
–2
Temperature (°C)
NEGATIVE FULL-SCALE ERROR vs TEMPERATURE
(Code 0000
H
)
Negative Full-Scale Error (mV)
–40–30–20–100 102030405060708090
POWER SUPPLY CURRENT
vs TEMPERATURE
Quiescent Current (mA)
I
SS
Data = FFFF
H
No Load
1.0
0.8
0.6
0.4
0.2
0.0
–0.2
–0.4
–0.6
–0.8
–1.0
Temperature (°C)
–40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90
I
CC