AD7846
TYPICAL PERFORMANCE CHARACTERISTICS
500
450
400
350
300
250
200
150
100
50
A1 –0.40V
V
= V = 0V
REF–
REF+
GAIN = +1
DAC LOADED WITH ALL 1s
1V 2mV
20µs
0
100
1k
10k
FREQUENCY (Hz)
100k
1M
Figure 12. Noise Spectral Density
Figure 9. AC Feedthrough, VREF+ = 1 V rms, 10 kHz Sine Wave
8
V
V
V
V
= +15V
= –15V
DD
7
6
5
4
3
2
1
0
SS
+
–
= +1V rms
= 0V
REF
REF
50mV/DIV
V
OUT
5V/DIV
DATA
0.5µs/DIV
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 10. AC Feedthrough to VOUT vs. Frequency
Figure 13. Digital-to-Analog Glitch Impulse Without Internal Deglitcher
(10…000 to 011…111 Transition)
30
25
20
15
10
5
V
V
V
V
= +15V
= –15V
DD
SS
= ±5V SINE WAVE
= 0V
REF+
REF–
50mV/DIV
V
OUT
GAIN = +2
5V/DIV
5V/DIV
LDAC
DATA
0
10
1µs/DIV
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 14. Digital-to-Analog Glitch Impulse with Internal Deglitcher
(10…000 to 011…111 Transition)
Figure 11. Large Signal Frequency Response
Rev. G | Page ± of 24
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