Datasheet

Data Sheet AD5689R/AD5687R
Rev. 0 | Page 15 of 28
Figure 32. Headroom/Footroom vs. Load Current
Figure 33. Source and Sink Capability at 5 V, Gain = 2
Figure 34. Source and Sink Capability at 3 V, Gain = 1
Figure 35. Supply Current vs. Temperature
Figure 36. Digital-to-Analog Glitch Impulse
Figure 37. 0.1 Hz to 10 Hz Output Noise Plot, External Reference
1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
0 5 10 15 20 25 30
ΔV
OUT
(V)
LOAD CURRENT (mA)
SOURCING 2.7V
SOURCING 5V
SINKING 2.7V
SINKING 5V
11256-033
11256-034
7
–2
–1
0
1
2
3
4
5
6
–0.06 –0.04 –0.02 0 0.02 0.04 0.06
V
OUT
(V)
LOAD CURRENT (A)
FULL SCALE
ONE-QUARTER SCALE
MIDSCALE
THREE-QUARTER SCALE
ZERO SCALE
V
DD
= 5V
T
A
= 25°C
GAIN = 2
REFERENCE = 2.5V
5
–2
–1
0
1
2
3
4
–0.06 –0.04 –0.02 0 0.02 0.04 0.06
V
OUT
(V)
LOAD CURRENT (A)
V
DD
= 3V
T
A
= 25°C
REFERENCE = 2.5V
GAIN = 1
FULL SCALE
ONE-QUARTER SCALE
MIDSCALE
THREE-QUARTER SCALE
ZERO SCALE
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11256-036
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
–40 1106010
SUPPLY CURRENT (mA)
TEMPERATURE (°C)
FULL SCALE
ZERO CODE
EXTERNAL REFERENCE, FULL SCALE
2.4988
2.5008
2.5003
2.4998
2.4993
0 128 104 62
V
OUT
(V)
TIME (µs)
11256-037
CHANNEL B
T
A
= 25°C
V
DD
= 5.25V
INTERNAL REFERENCE
POSITIVE MAJOR CODE TRANSITION
ENERGY = 0.227206nV-sec
CH1 10µV M1.0s A CH1 802mV
1
T
V
DD
= 5V
T
A
= 25°C
REFERENCE = 2.5V
11256-038