Datasheet

AD5620/AD5640/AD5660 Data Sheet
Rev. G | Page 14 of 28
04539-031
CH1 1.20V
CH3 100mV
CH2 1.00V M100µs CH1 1.87V
V
OUT
V
DD
V
REF
3
1
2
Figure 30. Power-On Reset to 0 V—AD5660-1
04539-055
CH1 2.00V
CH3 50.0mV
M1.00µs CH2 520mV
V
OUT
V
DD
= 3V
SCLK
3
1
Figure 31. Exiting Power-Down to Midscale
SAMPLE NUMBER
AMPLITUDE
2.501250
2.501000
2.500750
2.500500
2.500250
2.500000
2.499750
2.499500
2.499250
2.498750
2.499000
2.498500
2.498250
2.498000
0 150 200 25050 100 300 350 400 450 500 550
04539-032
V
DD
= 5V
V
REFOUT
= 2.5V
T
A
= 25°C
13nS/SAMPLE NUMBER
1LSB CHANGE AROUND MIDSCALE
(0x7FFF TO 0x8000)
GLITCH IMPULSE = 0.497nV-s
Figure 32. Digital-to-Analog Glitch Impulse—AD5660-2/AD5660-3
SAMPLE NUMBER
AMPLITUDE
1.250800
1.250600
1.250400
1.250200
1.250000
1.249800
1.249600
1.249400
1.249200
1.249000
1.248800
1.248600
1.248400
0 150 200 25050 100 300 350 400 450 500 550
04539-033
V
DD
= 3V
V
REFOUT
= 1.25V
T
A
= 25°C
13nS/SAMPLE NUMBER
1LSB CHANGE AROUND MIDSCALE
(0x7FFF TO 0x8000)
GLITCH IMPULSE = 0.284nV-s
Figure 33. Digital-to-Analog Glitch Impulse—AD5660-1
SAMPLE NUMBER
AMPLITUDE
2.500250
2.500200
2.500150
2.500100
2.500050
2.500000
2.499950
2.499900
2.499850
2.499800
2.499750
2.499700
2.499650
2.499600
0 150 200 25050 100 300 350 400 450 500 550
04539-034
V
DD
= 5V
T
A
= 25°C
20nS/SAMPLE NUMBER
DAC LOADED WITH MIDSCALE
DIGITAL FEEDTHROUGH = 0.06nV-s
Figure 34. Digital Feedthrough
CAPACITANCE (nF)
TIME (µs)
16
14
12
10
8
6
4
0 1 2 3 4 5 6 7 98 10
04539-036
T
A
= 25°C
V
DD
=
5V
V
DD
=
3V
Figure 35. Settling Time vs. Capacitive Load