AD7846 Analog Devices, AD7846 Datasheet - Page 8

• Manufacturer Part Number: AD7846
• Description: 16-Bit Voltage Output CMOS DAC
• Manufacturer: Analog Devices

Specifications of AD7846

• Resolution (bits): 16bit
• Dac Update Rate: 143kSPS
• Dac Settling Time: 7µs
• Max Pos Supply (v): +15.75V
• Single-supply: No
• Dac Type: Voltage Out
• Dac Input Format: Par

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