Datasheet

AD5625R/AD5645R/AD5665R, AD5625/AD5665 Data Sheet
Rev. C | Page 18 of 36
Figure 39. Headroom at Rails vs. Source and Sink
Figure 40. AD56x5R with 2.5 V Reference, Source and Sink Capability
Figure 41. AD56x5R with 1.25 V Reference, Source and Sink Capability
Figure 42. Full-Scale Settling Time, 5 V
Figure 43. Power-On Reset to 0 V
Figure 44. Exiting Power-Down to Midscale
CURRENT (mA)
ERROR VOLTAGE (V)
0.5
0.4
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
–10 –8 –6 –4 –2 0 2 4 86 10
V
DD
= 3V
V
REFOUT
= 1.25V
V
DD
= 5V
V
REFOUT
= 2.5V
DAC LOADED WITH
ZERO-SCALE
SINKING CURRENT
DAC LOADED WITH
FULL-SCALE
SOURCING CURRENT
06341-031
CURRENT (mA)
V
OUT
(V)
6
5
4
3
2
1
–1
0
–30 –20 –10 0 10 20 30
V
DD
= 5V
V
REFOUT
= 2.5V
T
A
= 25°C
ZERO SCALE
FULL SCALE
MIDSCALE
1/4 SCALE
3/4 SCALE
06341-046
CURRENT (mA)
V
OUT
(V)
4
–1
0
1
2
3
–30 –20 –10 0 10 20 30
V
DD
= 3V
V
REFOUT
= 1.25V
T
A
= 25°C
ZERO SCALE
FULL SCALE
MIDSCALE
1/4 SCALE
3/4 SCALE
06341-047
TIME BASE = 4µs/DIV
V
DD
= V
REF
= 5V
T
A
= 25
°C
FULL-SCALE CODE CHANGE
0x0000 TO 0xFFFF
OUTPUT LOADED WITH 2kΩ
AND 200pF TO GND
V
OUT
= 909mV/DIV
1
06341-048
CH1 2.0V CH2 500mV M100µs 125MS/s
A CH1 1.28V
8.0ns/pt
V
DD
= V
REF
= 5V
T
A
= 25°C
V
OUT
V
DD
1
2
MAX(C2)
420.0mV
06341-049
V
DD
= 5V
SYNC
SLCK
V
OUT
1
3
CH1 5.0V
CH3 5.0V
CH2 500mV M400ns
A CH1 1.4V
2
06341-050