Datasheet

9
®
DAC7644
TYPICAL PERFORMANCE CURVES: V
SS
= 0V (CONT)
At T
A
= +25°C, V
DD
= V
CC
= +5V, V
SS
= 0V, V
REFH
= +2.5V, V
REFL
= 0V, representative unit, unless otherwise specified.
+5V
LDAC
0
Time (2µs/div)
OUTPUT VOLTAGE vs SETTLING TIME
(0V to +2.5V)
Output Voltage
Large-Signal Settling Time: 0.5V/div
Small-Signal Settling Time: 4LSB/div
Time (2µs/div)
OUTPUT VOLTAGE vs SETTLING TIME
(+2.5V to 2mV)
Output Voltage
+5V
LDAC
0
Large-Signal Settling Time: 0.5V/div
Small-Signal Settling Time: 4LSB/div
Time (1µs/div)
OUTPUT VOLTAGE
vs MIDSCALE GLITCH PERFORMANCE
Output Voltage (50mV/div)
+5V
LDAC
0
7FFF
H
to 8000
H
Time (1µs/div)
OUTPUT VOLTAGE
vs MIDSCALE GLITCH PERFORMANCE
Output Voltage (50mV/div)
+5V
LDAC
0
8000
H
to 7FFF
H
1000
100
10
Frequency (Hz)
10
100
1000 10000
100000
1000000
OUTPUT NOISE VOLTAGE vs FREQUENCY
Noise (nV/√Hz)
BROADBAND NOISE
Time (10µs/div)
Noise Voltage (50µV/div)
BW = 10kHz
Code = 8000
H