Datasheet

Data Sheet AD5560
Rev. D | Page 35 of 68
att
att
5R
R
1kΩ
5R
mi
mv
att
att
tri
DAC
att
1kΩ
5R
R
OSD DAC IN
MEASURE
VOLTAGE
MEASURE
CURRENT
MEASOUT
5R
NOTES
1. att: ATTENUATION FOR EXTERNAL MEASOUT × 0.20 FOR OUTPUT VOLTAGE RANGE 0V TO 5.125V (WITH OVERRANGE) (VREF = 5V).
tri: TRISTATE MODE
mv: MEASURE VOLTAGE
mi: MEASURE CURRENT
mi_gain: MEASURE I GAIN SELECTION
MI_x10
MI_x20
INTERNAL
MEASI HIGH
I
SENSE
AMP
R
10R
R
10R
2R
2R
-
SENSE
DUTGND
V
SENSE
AMP
5R
5R
5R
5R
VREF
REFGND
VMID = (VTOP – VBOT)/2
VBOT
LOW VOLTAGE
OFFSET DAC
HV DAC AMP
V
MIN
V
MID
V
OS
= (1 + 2/8.25) × (OFFSET DAC VOLTAGE)
8.25R 8.25R
mi_gain
VTOP
INTERNAL
MEASI LOW
2R 2R
8.25R
2R
07779-009
Figure 56. MI, MV, and MEASOUT Block Showing Gain Settings and Offset DAC Influence