Datasheet

8
®
DAC7641
TYPICAL PERFORMANCE CURVES: V
SS
= 0V (Cont.)
At T
A
= +25°C, V
DD
= +5V, V
SS
= 0V, V
REFH
= +2.5V, V
REFL
= 0V, representative unit, unless otherwise specified.
Time (1µs/div)
OUTPUT VOLTAGE
vs MIDSCALE GLITCH PERFORMANCE
Output Voltage (50mV/div)
+5V
LDAC
0
8000
H
to 7FFF
H
BROADBAND NOISE
Time (10ms/div)
Noise Voltage (50µV/div)
BW = 10kHz
Code = 8000
H
1000
100
10
Frequency (Hz)
10
100
1000 10000
100000
1000000
OUTPUT NOISE VOLTAGE vs FREQUENCY
Noise (nV/√Hz)
5
4
3
2
1
0
R
LOAD
(kΩ)
0.01
0.1
1 10 100
OUTPUT VOLTAGE vs R
LOAD
V
OUT
(V)
Source
Sink
12
10
8
6
4
2
0
Logic Input Level for Data Bits (V)
0
1
23
4
5
LOGIC SUPPLY CURRENT
vs LOGIC INPUT LEVEL FOR DATA BITS
Logic Supply Current (mA)